path: root/kicad/baseband.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 5 5
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector:Conn_Coaxial J?
U 1 1 5E308E67
P 800 1750
F 0 "J?" H 728 1988 50  0000 C CNN
F 1 "IF_RX" H 728 1897 50  0000 C CNN
F 2 "" H 800 1750 50  0001 C CNN
F 3 " ~" H 800 1750 50  0001 C CNN
	1    800  1750
	-1   0    0    -1  
$EndComp
$Comp
L mpb:L_tapped L?
U 1 1 5E30EBAD
P 1200 1500
F 0 "L?" H 1252 1546 50  0000 L CNN
F 1 "1.45uH" H 1252 1455 50  0000 L CNN
F 2 "" H 1200 1500 50  0001 C CNN
F 3 "~" H 1200 1500 50  0001 C CNN
F 4 "22 loops, 3/10 wire, toroid T37/6. Tap at 2nd" H 1200 1500 50  0001 C CNN "Description"
	1    1200 1500
	1    0    0    -1  
$EndComp
$Comp
L Device:CTRIM_Small C?
U 1 1 5E30FFC9
P 1200 850
F 0 "C?" H 1291 896 50  0000 L CNN
F 1 "60pF" H 1291 805 50  0000 L CNN
F 2 "" H 1200 850 50  0001 C CNN
F 3 "~" H 1200 850 50  0001 C CNN
	1    1200 850 
	1    0    0    -1  
$EndComp
$Comp
L Device:CTRIM_Small C?
U 1 1 5E310418
P 1600 850
F 0 "C?" H 1691 896 50  0000 L CNN
F 1 "60pF" H 1691 805 50  0000 L CNN
F 2 "" H 1600 850 50  0001 C CNN
F 3 "~" H 1600 850 50  0001 C CNN
	1    1600 850 
	1    0    0    -1  
$EndComp
$Comp
L mpb:L_tapped L?
U 1 1 5E31065E
P 2300 1500
F 0 "L?" H 2353 1546 50  0000 L CNN
F 1 "1.45uH" H 2353 1455 50  0000 L CNN
F 2 "" H 2300 1500 50  0001 C CNN
F 3 "~" H 2300 1500 50  0001 C CNN
F 4 "22 loops, 3/10 wire, toroid T37/6. Tap at 11th" H 2300 1500 50  0001 C CNN "Description"
	1    2300 1500
	-1   0    0    -1  
$EndComp
$Comp
L Device:L L?
U 1 1 5E310D8C
P 1600 1500
F 0 "L?" H 1652 1546 50  0000 L CNN
F 1 "1.45uH" H 1652 1455 50  0000 L CNN
F 2 "" H 1600 1500 50  0001 C CNN
F 3 "~" H 1600 1500 50  0001 C CNN
F 4 "22 loops, 3/10 wire, toroid T37/6" H 1600 1500 50  0001 C CNN "Description"
	1    1600 1500
	1    0    0    -1  
$EndComp
$Comp
L Device:CTRIM_Small C?
U 1 1 5E311E96
P 2300 850
F 0 "C?" H 2391 896 50  0000 L CNN
F 1 "60pF" H 2391 805 50  0000 L CNN
F 2 "" H 2300 850 50  0001 C CNN
F 3 "~" H 2300 850 50  0001 C CNN
	1    2300 850 
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5E312505
P 1950 1200
F 0 "C?" V 1721 1200 50  0000 C CNN
F 1 "1.2pF" V 1812 1200 50  0000 C CNN
F 2 "" H 1950 1200 50  0001 C CNN
F 3 "~" H 1950 1200 50  0001 C CNN
	1    1950 1200
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5E312B4C
P 1400 1200
F 0 "C?" V 1171 1200 50  0000 C CNN
F 1 "1.2pF" V 1262 1200 50  0000 C CNN
F 2 "" H 1400 1200 50  0001 C CNN
F 3 "~" H 1400 1200 50  0001 C CNN
	1    1400 1200
	0    1    1    0   
$EndComp
Wire Wire Line
	1000 1750 1100 1750
Wire Wire Line
	1100 1750 1100 1550
Wire Wire Line
	1200 1350 1200 1200
Wire Wire Line
	1300 1200 1200 1200
Connection ~ 1200 1200
Wire Wire Line
	1200 1200 1200 950 
Wire Wire Line
	1500 1200 1600 1200
Wire Wire Line
	1600 950  1600 1200
Connection ~ 1600 1200
Wire Wire Line
	1600 1200 1850 1200
Wire Wire Line
	1600 1200 1600 1350
Wire Wire Line
	2300 1350 2300 1200
Wire Wire Line
	2300 1200 2050 1200
Wire Wire Line
	2300 950  2300 1200
Connection ~ 2300 1200
$Comp
L power:GNDA #PWR?
U 1 1 5E31695B
P 800 1950
F 0 "#PWR?" H 800 1700 50  0001 C CNN
F 1 "GNDA" H 805 1777 50  0000 C CNN
F 2 "" H 800 1950 50  0001 C CNN
F 3 "" H 800 1950 50  0001 C CNN
	1    800  1950
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E316C0F
P 1200 1650
F 0 "#PWR?" H 1200 1400 50  0001 C CNN
F 1 "GNDA" H 1205 1477 50  0000 C CNN
F 2 "" H 1200 1650 50  0001 C CNN
F 3 "" H 1200 1650 50  0001 C CNN
	1    1200 1650
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E316F0C
P 1600 1650
F 0 "#PWR?" H 1600 1400 50  0001 C CNN
F 1 "GNDA" H 1605 1477 50  0000 C CNN
F 2 "" H 1600 1650 50  0001 C CNN
F 3 "" H 1600 1650 50  0001 C CNN
	1    1600 1650
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E3171B0
P 2300 1650
F 0 "#PWR?" H 2300 1400 50  0001 C CNN
F 1 "GNDA" H 2305 1477 50  0000 C CNN
F 2 "" H 2300 1650 50  0001 C CNN
F 3 "" H 2300 1650 50  0001 C CNN
	1    2300 1650
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E3173C7
P 2300 750
F 0 "#PWR?" H 2300 500 50  0001 C CNN
F 1 "GNDA" H 2305 577 50  0000 C CNN
F 2 "" H 2300 750 50  0001 C CNN
F 3 "" H 2300 750 50  0001 C CNN
	1    2300 750 
	-1   0    0    1   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E317738
P 1600 750
F 0 "#PWR?" H 1600 500 50  0001 C CNN
F 1 "GNDA" H 1605 577 50  0000 C CNN
F 2 "" H 1600 750 50  0001 C CNN
F 3 "" H 1600 750 50  0001 C CNN
	1    1600 750 
	-1   0    0    1   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E317968
P 1200 750
F 0 "#PWR?" H 1200 500 50  0001 C CNN
F 1 "GNDA" H 1205 577 50  0000 C CNN
F 2 "" H 1200 750 50  0001 C CNN
F 3 "" H 1200 750 50  0001 C CNN
	1    1200 750 
	-1   0    0    1   
$EndComp
Text GLabel 2800 900  1    50   Input ~ 0
+8V_TX
$Comp
L Device:R R?
U 1 1 5E318E2C
P 2800 1050
F 0 "R?" H 2870 1096 50  0000 L CNN
F 1 "3.3K" H 2870 1005 50  0000 L CNN
F 2 "" V 2730 1050 50  0001 C CNN
F 3 "~" H 2800 1050 50  0001 C CNN
	1    2800 1050
	1    0    0    -1  
$EndComp
$Comp
L Device:D D?
U 1 1 5E319659
P 3150 1050
F 0 "D?" V 3104 1129 50  0000 L CNN
F 1 "BA891" V 3195 1129 50  0000 L CNN
F 2 "" H 3150 1050 50  0001 C CNN
F 3 "https://www.mouser.ch/datasheet/2/302/BA891_N-1510814.pdf" H 3150 1050 50  0001 C CNN
	1    3150 1050
	0    1    1    0   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E319E0E
P 3150 900
F 0 "#PWR?" H 3150 650 50  0001 C CNN
F 1 "GNDA" H 3155 727 50  0000 C CNN
F 2 "" H 3150 900 50  0001 C CNN
F 3 "" H 3150 900 50  0001 C CNN
	1    3150 900 
	-1   0    0    1   
$EndComp
Wire Wire Line
	2800 1200 3150 1200
$Comp
L Device:C_Small C?
U 1 1 5E31A2DF
P 2700 1550
F 0 "C?" V 2471 1550 50  0000 C CNN
F 1 "2.2nF" V 2562 1550 50  0000 C CNN
F 2 "" H 2700 1550 50  0001 C CNN
F 3 "~" H 2700 1550 50  0001 C CNN
	1    2700 1550
	0    1    1    0   
$EndComp
Wire Wire Line
	2600 1550 2400 1550
$Comp
L Device:C_Small C?
U 1 1 5E31A93D
P 3150 1350
F 0 "C?" H 3058 1304 50  0000 R CNN
F 1 "0.1uF" H 3058 1395 50  0000 R CNN
F 2 "" H 3150 1350 50  0001 C CNN
F 3 "~" H 3150 1350 50  0001 C CNN
	1    3150 1350
	-1   0    0    1   
$EndComp
Wire Wire Line
	3150 1250 3150 1200
Connection ~ 3150 1200
Wire Wire Line
	3150 1450 3150 1550
Wire Wire Line
	3150 1550 2900 1550
$Comp
L mpb:SA602A U?
U 1 1 5E31F1E8
P 3550 2050
F 0 "U?" H 3250 2450 50  0000 C CNN
F 1 "SA602A" H 3800 2450 50  0000 C CNN
F 2 "" H 3500 2050 50  0001 C CNN
F 3 "" H 3500 2050 50  0001 C CNN
	1    3550 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	2900 1550 2900 1800
Wire Wire Line
	2900 1800 3050 1800
Connection ~ 2900 1550
Wire Wire Line
	2900 1550 2800 1550
$Comp
L Device:C_Small C?
U 1 1 5E3202CC
P 3700 1300
F 0 "C?" H 3608 1254 50  0000 R CNN
F 1 "0.1uF" H 3608 1345 50  0000 R CNN
F 2 "" H 3700 1300 50  0001 C CNN
F 3 "~" H 3700 1300 50  0001 C CNN
	1    3700 1300
	-1   0    0    1   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E3208B5
P 3550 2500
F 0 "#PWR?" H 3550 2250 50  0001 C CNN
F 1 "GNDA" H 3555 2327 50  0000 C CNN
F 2 "" H 3550 2500 50  0001 C CNN
F 3 "" H 3550 2500 50  0001 C CNN
	1    3550 2500
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E320C31
P 3700 1400
F 0 "#PWR?" H 3700 1150 50  0001 C CNN
F 1 "GNDA" H 3705 1227 50  0000 C CNN
F 2 "" H 3700 1400 50  0001 C CNN
F 3 "" H 3700 1400 50  0001 C CNN
	1    3700 1400
	1    0    0    -1  
$EndComp
Wire Wire Line
	3550 1600 3550 1200
Wire Wire Line
	3550 1200 3700 1200
$Comp
L Device:L_Core_Iron L?
U 1 1 5E321D59
P 3550 1050
F 0 "L?" H 3638 1096 50  0000 L CNN
F 1 "200uH" H 3638 1005 50  0000 L CNN
F 2 "" H 3550 1050 50  0001 C CNN
F 3 "~" H 3550 1050 50  0001 C CNN
	1    3550 1050
	1    0    0    -1  
$EndComp
Connection ~ 3550 1200
$Comp
L Device:C_Small C?
U 1 1 5E3222CF
P 3700 650
F 0 "C?" H 3608 604 50  0000 R CNN
F 1 "0.1uF" H 3608 695 50  0000 R CNN
F 2 "" H 3700 650 50  0001 C CNN
F 3 "~" H 3700 650 50  0001 C CNN
	1    3700 650 
	-1   0    0    1   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E322B6E
P 3700 750
F 0 "#PWR?" H 3700 500 50  0001 C CNN
F 1 "GNDA" H 3705 577 50  0000 C CNN
F 2 "" H 3700 750 50  0001 C CNN
F 3 "" H 3700 750 50  0001 C CNN
	1    3700 750 
	1    0    0    -1  
$EndComp
Wire Wire Line
	3700 550  3550 550 
Wire Wire Line
	3550 550  3550 900 
Text GLabel 3450 550  0    50   Input ~ 0
+8V
Wire Wire Line
	3450 550  3550 550 
Connection ~ 3550 550 
NoConn ~ 3050 2300
$Comp
L Device:C_Small C?
U 1 1 5E324B86
P 2850 2200
F 0 "C?" V 2621 2200 50  0000 C CNN
F 1 "2.2nF" V 2712 2200 50  0000 C CNN
F 2 "" H 2850 2200 50  0001 C CNN
F 3 "~" H 2850 2200 50  0001 C CNN
	1    2850 2200
	0    1    1    0   
$EndComp
Wire Wire Line
	2950 2200 3050 2200
Text HLabel 2600 2200 0    50   Input ~ 0
18MHz
Wire Wire Line
	2600 2200 2750 2200
Text Notes 2400 2150 0    50   ~ 0
200mVpp
$Comp
L mpb:L_tapped L?
U 1 1 5E333BBD
P 5850 1800
F 0 "L?" H 5902 1846 50  0000 L CNN
F 1 "1.45uH" H 5902 1755 50  0000 L CNN
F 2 "" H 5850 1800 50  0001 C CNN
F 3 "~" H 5850 1800 50  0001 C CNN
F 4 "22 loops, 3/10 wire, toroid T37/6. Tap at 2nd" H 5850 1800 50  0001 C CNN "Description"
	1    5850 1800
	-1   0    0    -1  
$EndComp
$Comp
L Device:CTRIM_Small C?
U 1 1 5E333BC3
P 5850 1150
F 0 "C?" H 5941 1196 50  0000 L CNN
F 1 "60pF" H 5941 1105 50  0000 L CNN
F 2 "" H 5850 1150 50  0001 C CNN
F 3 "~" H 5850 1150 50  0001 C CNN
	1    5850 1150
	-1   0    0    -1  
$EndComp
$Comp
L Device:CTRIM_Small C?
U 1 1 5E333BC9
P 5450 1150
F 0 "C?" H 5541 1196 50  0000 L CNN
F 1 "60pF" H 5541 1105 50  0000 L CNN
F 2 "" H 5450 1150 50  0001 C CNN
F 3 "~" H 5450 1150 50  0001 C CNN
	1    5450 1150
	-1   0    0    -1  
$EndComp
$Comp
L mpb:L_tapped L?
U 1 1 5E333BD0
P 4750 1800
F 0 "L?" H 4803 1846 50  0000 L CNN
F 1 "1.45uH" H 4803 1755 50  0000 L CNN
F 2 "" H 4750 1800 50  0001 C CNN
F 3 "~" H 4750 1800 50  0001 C CNN
F 4 "22 loops, 3/10 wire, toroid T37/6. Tap at 11th" H 4750 1800 50  0001 C CNN "Description"
	1    4750 1800
	1    0    0    -1  
$EndComp
$Comp
L Device:L L?
U 1 1 5E333BD7
P 5450 1800
F 0 "L?" H 5502 1846 50  0000 L CNN
F 1 "1.45uH" H 5502 1755 50  0000 L CNN
F 2 "" H 5450 1800 50  0001 C CNN
F 3 "~" H 5450 1800 50  0001 C CNN
F 4 "22 loops, 3/10 wire, toroid T37/6" H 5450 1800 50  0001 C CNN "Description"
	1    5450 1800
	-1   0    0    -1  
$EndComp
$Comp
L Device:CTRIM_Small C?
U 1 1 5E333BDD
P 4750 1150
F 0 "C?" H 4841 1196 50  0000 L CNN
F 1 "60pF" H 4841 1105 50  0000 L CNN
F 2 "" H 4750 1150 50  0001 C CNN
F 3 "~" H 4750 1150 50  0001 C CNN
	1    4750 1150
	-1   0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5E333BE3
P 5100 1500
F 0 "C?" V 4871 1500 50  0000 C CNN
F 1 "1.2pF" V 4962 1500 50  0000 C CNN
F 2 "" H 5100 1500 50  0001 C CNN
F 3 "~" H 5100 1500 50  0001 C CNN
	1    5100 1500
	0    -1   1    0   
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5E333BE9
P 5650 1500
F 0 "C?" V 5421 1500 50  0000 C CNN
F 1 "1.2pF" V 5512 1500 50  0000 C CNN
F 2 "" H 5650 1500 50  0001 C CNN
F 3 "~" H 5650 1500 50  0001 C CNN
	1    5650 1500
	0    -1   1    0   
$EndComp
Wire Wire Line
	5850 1650 5850 1500
Wire Wire Line
	5750 1500 5850 1500
Connection ~ 5850 1500
Wire Wire Line
	5850 1500 5850 1250
Wire Wire Line
	5550 1500 5450 1500
Wire Wire Line
	5450 1250 5450 1500
Connection ~ 5450 1500
Wire Wire Line
	5450 1500 5200 1500
Wire Wire Line
	5450 1500 5450 1650
Wire Wire Line
	4750 1650 4750 1500
Wire Wire Line
	4750 1500 5000 1500
Wire Wire Line
	4750 1250 4750 1500
Connection ~ 4750 1500
$Comp
L power:GNDA #PWR?
U 1 1 5E333BFE
P 5850 1950
F 0 "#PWR?" H 5850 1700 50  0001 C CNN
F 1 "GNDA" H 5855 1777 50  0000 C CNN
F 2 "" H 5850 1950 50  0001 C CNN
F 3 "" H 5850 1950 50  0001 C CNN
	1    5850 1950
	-1   0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E333C04
P 5450 1950
F 0 "#PWR?" H 5450 1700 50  0001 C CNN
F 1 "GNDA" H 5455 1777 50  0000 C CNN
F 2 "" H 5450 1950 50  0001 C CNN
F 3 "" H 5450 1950 50  0001 C CNN
	1    5450 1950
	-1   0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E333C0A
P 4750 1950
F 0 "#PWR?" H 4750 1700 50  0001 C CNN
F 1 "GNDA" H 4755 1777 50  0000 C CNN
F 2 "" H 4750 1950 50  0001 C CNN
F 3 "" H 4750 1950 50  0001 C CNN
	1    4750 1950
	-1   0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E333C10
P 4750 1050
F 0 "#PWR?" H 4750 800 50  0001 C CNN
F 1 "GNDA" H 4755 877 50  0000 C CNN
F 2 "" H 4750 1050 50  0001 C CNN
F 3 "" H 4750 1050 50  0001 C CNN
	1    4750 1050
	1    0    0    1   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E333C16
P 5450 1050
F 0 "#PWR?" H 5450 800 50  0001 C CNN
F 1 "GNDA" H 5455 877 50  0000 C CNN
F 2 "" H 5450 1050 50  0001 C CNN
F 3 "" H 5450 1050 50  0001 C CNN
	1    5450 1050
	1    0    0    1   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E333C1C
P 5850 1050
F 0 "#PWR?" H 5850 800 50  0001 C CNN
F 1 "GNDA" H 5855 877 50  0000 C CNN
F 2 "" H 5850 1050 50  0001 C CNN
F 3 "" H 5850 1050 50  0001 C CNN
	1    5850 1050
	1    0    0    1   
$EndComp
Wire Wire Line
	4450 1850 4650 1850
$Comp
L Device:C_Small C?
U 1 1 5E334533
P 4350 1850
F 0 "C?" V 4121 1850 50  0000 C CNN
F 1 "2.2nF" V 4212 1850 50  0000 C CNN
F 2 "" H 4350 1850 50  0001 C CNN
F 3 "~" H 4350 1850 50  0001 C CNN
	1    4350 1850
	0    1    1    0   
$EndComp
Wire Wire Line
	4250 1850 4050 1850
$Comp
L Connector:Conn_Coaxial J?
U 1 1 5E335664
P 6300 1850
F 0 "J?" H 6400 1825 50  0000 L CNN
F 1 "IF_TX" H 6400 1734 50  0000 L CNN
F 2 "" H 6300 1850 50  0001 C CNN
F 3 " ~" H 6300 1850 50  0001 C CNN
	1    6300 1850
	1    0    0    -1  
$EndComp
Wire Wire Line
	5950 1850 6100 1850
$Comp
L power:GNDA #PWR?
U 1 1 5E33751D
P 6300 2050
F 0 "#PWR?" H 6300 1800 50  0001 C CNN
F 1 "GNDA" H 6305 1877 50  0000 C CNN
F 2 "" H 6300 2050 50  0001 C CNN
F 3 "" H 6300 2050 50  0001 C CNN
	1    6300 2050
	-1   0    0    -1  
$EndComp
Text Notes 600  1450 0    50   ~ 0
IF\n22.915MHz
$Comp
L Relay:G6E K?
U 1 1 5E33D7FA
P 2150 3100
F 0 "K?" H 2580 3146 50  0000 L CNN
F 1 "G6E" H 2580 3055 50  0000 L CNN
F 2 "Relay_THT:Relay_SPDT_Omron_G6E" H 3280 3070 50  0001 C CNN
F 3 "https://www.omron.com/ecb/products/pdf/en-g6e.pdf" H 2150 3100 50  0001 C CNN
	1    2150 3100
	1    0    0    -1  
$EndComp
$Comp
L Relay:G6E K?
U 1 1 5E33DAC2
P 4400 3450
F 0 "K?" V 4875 3450 50  0000 C CNN
F 1 "G6E" V 4966 3450 50  0000 C CNN
F 2 "Relay_THT:Relay_SPDT_Omron_G6E" H 5530 3420 50  0001 C CNN
F 3 "https://www.omron.com/ecb/products/pdf/en-g6e.pdf" H 4400 3450 50  0001 C CNN
	1    4400 3450
	0    1    1    0   
$EndComp
$Comp
L Diode:1N914 D?
U 1 1 5E33FB66
P 4400 2950
F 0 "D?" H 4400 2734 50  0000 C CNN
F 1 "1N914" H 4400 2825 50  0000 C CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 4400 2775 50  0001 C CNN
F 3 "http://www.vishay.com/docs/85622/1n914.pdf" H 4400 2950 50  0001 C CNN
	1    4400 2950
	-1   0    0    1   
$EndComp
$Comp
L Diode:1N914 D?
U 1 1 5E3405AA
P 1600 3100
F 0 "D?" V 1554 3022 50  0000 R CNN
F 1 "1N914" V 1645 3022 50  0000 R CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 1600 2925 50  0001 C CNN
F 3 "http://www.vishay.com/docs/85622/1n914.pdf" H 1600 3100 50  0001 C CNN
	1    1600 3100
	0    1    1    0   
$EndComp
Wire Wire Line
	1950 3400 1600 3400
Wire Wire Line
	1600 3400 1600 3250
Wire Wire Line
	1600 2950 1600 2800
Wire Wire Line
	1600 2800 1950 2800
Wire Wire Line
	4100 2950 4250 2950
Wire Wire Line
	4550 2950 4700 2950
Text GLabel 1600 2800 0    50   Input ~ 0
+8V_TX
Text GLabel 4700 2950 1    50   Input ~ 0
+8V_TX
$Comp
L power:GNDA #PWR?
U 1 1 5E345FD0
P 1600 3400
F 0 "#PWR?" H 1600 3150 50  0001 C CNN
F 1 "GNDA" H 1605 3227 50  0000 C CNN
F 2 "" H 1600 3400 50  0001 C CNN
F 3 "" H 1600 3400 50  0001 C CNN
	1    1600 3400
	1    0    0    -1  
$EndComp
Connection ~ 1600 3400
$Comp
L power:GNDA #PWR?
U 1 1 5E34637E
P 4100 2950
F 0 "#PWR?" H 4100 2700 50  0001 C CNN
F 1 "GNDA" H 4105 2777 50  0000 C CNN
F 2 "" H 4100 2950 50  0001 C CNN
F 3 "" H 4100 2950 50  0001 C CNN
	1    4100 2950
	0    1    1    0   
$EndComp
Connection ~ 4100 2950
Wire Wire Line
	3050 1900 2250 1900
Wire Wire Line
	2250 1900 2250 2500
Wire Wire Line
	2250 2500 2450 2500
Wire Wire Line
	4050 1950 4050 2750
Wire Wire Line
	4050 2750 2250 2750
$Comp
L Device:C_Small C?
U 1 1 5E348FC2
P 2400 3950
F 0 "C?" H 2308 3904 50  0000 R CNN
F 1 "27pF" H 2308 3995 50  0000 R CNN
F 2 "" H 2400 3950 50  0001 C CNN
F 3 "~" H 2400 3950 50  0001 C CNN
	1    2400 3950
	-1   0    0    1   
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5E3499C6
P 3950 3950
F 0 "C?" H 3858 3904 50  0000 R CNN
F 1 "27pF" H 3858 3995 50  0000 R CNN
F 2 "" H 3950 3950 50  0001 C CNN
F 3 "~" H 3950 3950 50  0001 C CNN
	1    3950 3950
	-1   0    0    1   
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5E349D5B
P 2750 3950
F 0 "C?" H 2658 3904 50  0000 R CNN
F 1 "39pF" H 2658 3995 50  0000 R CNN
F 2 "" H 2750 3950 50  0001 C CNN
F 3 "~" H 2750 3950 50  0001 C CNN
	1    2750 3950
	-1   0    0    1   
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5E34A061
P 3550 3950
F 0 "C?" H 3458 3904 50  0000 R CNN
F 1 "39pF" H 3458 3995 50  0000 R CNN
F 2 "" H 3550 3950 50  0001 C CNN
F 3 "~" H 3550 3950 50  0001 C CNN
	1    3550 3950
	-1   0    0    1   
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5E34A630
P 3150 3950
F 0 "C?" H 3058 3904 50  0000 R CNN
F 1 "47pF" H 3058 3995 50  0000 R CNN
F 2 "" H 3150 3950 50  0001 C CNN
F 3 "~" H 3150 3950 50  0001 C CNN
	1    3150 3950
	-1   0    0    1   
$EndComp
$Comp
L Device:Crystal_Small Y?
U 1 1 5E34B1E0
P 2550 3650
F 0 "Y?" H 2550 3875 50  0000 C CNN
F 1 "4.915MHz" H 2550 3784 50  0000 C CNN
F 2 "" H 2550 3650 50  0001 C CNN
F 3 "https://www.mouser.ch/datasheet/2/122/csm-12r-3004.pdf" H 2550 3650 50  0001 C CNN
F 4 "ECS-49-20-18-TR" H 2550 3650 50  0001 C CNN "MPN"
	1    2550 3650
	1    0    0    -1  
$EndComp
$Comp
L Device:Crystal_Small Y?
U 1 1 5E34B5D1
P 2950 3650
F 0 "Y?" H 2950 3875 50  0000 C CNN
F 1 "4.915MHz" H 2950 3784 50  0000 C CNN
F 2 "" H 2950 3650 50  0001 C CNN
F 3 "https://www.mouser.ch/datasheet/2/122/csm-12r-3004.pdf" H 2950 3650 50  0001 C CNN
F 4 "ECS-49-20-18-TR" H 2950 3650 50  0001 C CNN "MPN"
	1    2950 3650
	1    0    0    -1  
$EndComp
$Comp
L Device:Crystal_Small Y?
U 1 1 5E34B7FC
P 3350 3650
F 0 "Y?" H 3350 3875 50  0000 C CNN
F 1 "4.915MHz" H 3350 3784 50  0000 C CNN
F 2 "" H 3350 3650 50  0001 C CNN
F 3 "https://www.mouser.ch/datasheet/2/122/csm-12r-3004.pdf" H 3350 3650 50  0001 C CNN
F 4 "ECS-49-20-18-TR" H 3350 3650 50  0001 C CNN "MPN"
	1    3350 3650
	1    0    0    -1  
$EndComp
$Comp
L Device:Crystal_Small Y?
U 1 1 5E34BBA5
P 3750 3650
F 0 "Y?" H 3750 3875 50  0000 C CNN
F 1 "4.915MHz" H 3750 3784 50  0000 C CNN
F 2 "" H 3750 3650 50  0001 C CNN
F 3 "https://www.mouser.ch/datasheet/2/122/csm-12r-3004.pdf" H 3750 3650 50  0001 C CNN
F 4 "ECS-49-20-18-TR" H 3750 3650 50  0001 C CNN "MPN"
	1    3750 3650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2400 3850 2400 3650
Wire Wire Line
	2400 3650 2450 3650
Wire Wire Line
	2650 3650 2750 3650
Wire Wire Line
	3050 3650 3150 3650
Wire Wire Line
	3450 3650 3550 3650
Wire Wire Line
	2750 3850 2750 3650
Connection ~ 2750 3650
Wire Wire Line
	2750 3650 2850 3650
Wire Wire Line
	3150 3850 3150 3650
Connection ~ 3150 3650
Wire Wire Line
	3150 3650 3250 3650
Wire Wire Line
	3550 3850 3550 3650
Connection ~ 3550 3650
Wire Wire Line
	3550 3650 3650 3650
Wire Wire Line
	3950 3850 3950 3650
Wire Wire Line
	3950 3650 3850 3650
Wire Wire Line
	2250 2800 2250 2750
Wire Wire Line
	2450 2800 2450 2500
Wire Wire Line
	2400 3650 2350 3650
Wire Wire Line
	2350 3650 2350 3400
Connection ~ 2400 3650
Wire Wire Line
	3950 3650 4100 3650
Connection ~ 3950 3650
Wire Wire Line
	4100 2950 4100 3250
Wire Wire Line
	4700 2950 4700 3250
$Comp
L Device:C_Small C?
U 1 1 5E37BC9E
P 4900 3550
F 0 "C?" V 4671 3550 50  0000 C CNN
F 1 "10nF" V 4762 3550 50  0000 C CNN
F 2 "" H 4900 3550 50  0001 C CNN
F 3 "~" H 4900 3550 50  0001 C CNN
	1    4900 3550
	0    1    1    0   
$EndComp
Wire Wire Line
	4800 3550 4700 3550
$Comp
L Transistor_BJT:2N3904 Q?
U 1 1 5E37E037
P 5250 3550
F 0 "Q?" H 5440 3596 50  0000 L CNN
F 1 "2N3904" H 5440 3505 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 5450 3475 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/2N/2N3904.pdf" H 5250 3550 50  0001 L CNN
	1    5250 3550
	1    0    0    -1  
$EndComp
$Comp
L Transistor_BJT:2N3904 Q?
U 1 1 5E37E659
P 5700 3450
F 0 "Q?" V 6028 3450 50  0000 C CNN
F 1 "2N3904" V 5937 3450 50  0000 C CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 5900 3375 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/2N/2N3904.pdf" H 5700 3450 50  0001 L CNN
	1    5700 3450
	0    1    -1   0   
$EndComp
Wire Wire Line
	5000 3550 5050 3550
Wire Wire Line
	5350 3350 5500 3350
$Comp
L Device:R R?
U 1 1 5E3849CF
P 5050 3750
F 0 "R?" H 5120 3796 50  0000 L CNN
F 1 "82k" H 5120 3705 50  0000 L CNN
F 2 "" V 4980 3750 50  0001 C CNN
F 3 "~" H 5050 3750 50  0001 C CNN
	1    5050 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	5050 3600 5050 3550
Connection ~ 5050 3550
$Comp
L Device:C_Small C?
U 1 1 5E386AF0
P 4900 4000
F 0 "C?" H 4991 3954 50  0000 L CNN
F 1 "47nF" H 4991 4045 50  0000 L CNN
F 2 "" H 4900 4000 50  0001 C CNN
F 3 "~" H 4900 4000 50  0001 C CNN
	1    4900 4000
	-1   0    0    1   
$EndComp
Wire Wire Line
	4900 3900 5050 3900
$Comp
L power:GNDA #PWR?
U 1 1 5E38AB0E
P 4900 4100
F 0 "#PWR?" H 4900 3850 50  0001 C CNN
F 1 "GNDA" H 4905 3927 50  0000 C CNN
F 2 "" H 4900 4100 50  0001 C CNN
F 3 "" H 4900 4100 50  0001 C CNN
	1    4900 4100
	1    0    0    -1  
$EndComp
Text Label 5100 4500 0    50   ~ 0
CAG
$Comp
L Device:C_Small C?
U 1 1 5E38DC08
P 5350 4050
F 0 "C?" H 5441 4004 50  0000 L CNN
F 1 "10nF" H 5441 4095 50  0000 L CNN
F 2 "" H 5350 4050 50  0001 C CNN
F 3 "~" H 5350 4050 50  0001 C CNN
	1    5350 4050
	-1   0    0    1   
$EndComp
$Comp
L Device:R R?
U 1 1 5E38E23D
P 5500 4050
F 0 "R?" H 5570 4096 50  0000 L CNN
F 1 "220" H 5570 4005 50  0000 L CNN
F 2 "" V 5430 4050 50  0001 C CNN
F 3 "~" H 5500 4050 50  0001 C CNN
	1    5500 4050
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 3750 5350 3900
Wire Wire Line
	5350 3900 5500 3900
Connection ~ 5350 3900
Wire Wire Line
	5350 4200 5500 4200
$Comp
L power:GNDA #PWR?
U 1 1 5E392908
P 5350 4200
F 0 "#PWR?" H 5350 3950 50  0001 C CNN
F 1 "GNDA" H 5355 4027 50  0000 C CNN
F 2 "" H 5350 4200 50  0001 C CNN
F 3 "" H 5350 4200 50  0001 C CNN
	1    5350 4200
	1    0    0    -1  
$EndComp
Connection ~ 5350 4200
Wire Wire Line
	5350 4150 5350 4200
Wire Wire Line
	5350 3950 5350 3900
Wire Wire Line
	5700 4500 5050 4500
Wire Wire Line
	5050 4500 5050 3900
Wire Wire Line
	5700 3650 5700 3700
Connection ~ 5050 3900
$Comp
L Device:C_Small C?
U 1 1 5E397F53
P 5800 3800
F 0 "C?" H 5708 3754 50  0000 R CNN
F 1 "47nF" H 5708 3845 50  0000 R CNN
F 2 "" H 5800 3800 50  0001 C CNN
F 3 "~" H 5800 3800 50  0001 C CNN
	1    5800 3800
	-1   0    0    1   
$EndComp
Wire Wire Line
	5800 3700 5700 3700
Connection ~ 5700 3700
Wire Wire Line
	5700 3700 5700 4500
$Comp
L power:GNDA #PWR?
U 1 1 5E39AB1B
P 5800 3950
F 0 "#PWR?" H 5800 3700 50  0001 C CNN
F 1 "GNDA" H 5805 3777 50  0000 C CNN
F 2 "" H 5800 3950 50  0001 C CNN
F 3 "" H 5800 3950 50  0001 C CNN
	1    5800 3950
	1    0    0    -1  
$EndComp
Wire Wire Line
	5800 3950 5800 3900
$Comp
L Device:R_Variable R?
U 1 1 5E39E22F
P 5050 2800
F 0 "R?" H 4942 2846 50  0000 R CNN
F 1 "33k" H 4942 2755 50  0000 R CNN
F 2 "" V 4980 2800 50  0001 C CNN
F 3 "~" H 5050 2800 50  0001 C CNN
	1    5050 2800
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E39E5B6
P 5050 2650
F 0 "#PWR?" H 5050 2400 50  0001 C CNN
F 1 "GNDA" H 5055 2477 50  0000 C CNN
F 2 "" H 5050 2650 50  0001 C CNN
F 3 "" H 5050 2650 50  0001 C CNN
	1    5050 2650
	-1   0    0    1   
$EndComp
$Comp
L Device:R R?
U 1 1 5E39F128
P 5050 3200
F 0 "R?" H 5120 3246 50  0000 L CNN
F 1 "1.5k" H 5120 3155 50  0000 L CNN
F 2 "" V 4980 3200 50  0001 C CNN
F 3 "~" H 5050 3200 50  0001 C CNN
	1    5050 3200
	1    0    0    -1  
$EndComp
Wire Wire Line
	5050 3350 5050 3550
Wire Wire Line
	5050 3050 5050 3000
$Comp
L Device:C_Small C?
U 1 1 5E3A5E8F
P 5200 3000
F 0 "C?" V 5429 3000 50  0000 C CNN
F 1 "0.1uF" V 5338 3000 50  0000 C CNN
F 2 "" H 5200 3000 50  0001 C CNN
F 3 "~" H 5200 3000 50  0001 C CNN
	1    5200 3000
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5100 3000 5050 3000
Connection ~ 5050 3000
Wire Wire Line
	5050 3000 5050 2950
$Comp
L power:GNDA #PWR?
U 1 1 5E3A8CC8
P 5300 3000
F 0 "#PWR?" H 5300 2750 50  0001 C CNN
F 1 "GNDA" V 5305 2872 50  0000 R CNN
F 2 "" H 5300 3000 50  0001 C CNN
F 3 "" H 5300 3000 50  0001 C CNN
	1    5300 3000
	0    -1   -1   0   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E3A94E5
P 3150 4050
F 0 "#PWR?" H 3150 3800 50  0001 C CNN
F 1 "GNDA" H 3155 3877 50  0000 C CNN
F 2 "" H 3150 4050 50  0001 C CNN
F 3 "" H 3150 4050 50  0001 C CNN
	1    3150 4050
	1    0    0    -1  
$EndComp
Wire Wire Line
	2400 4050 2750 4050
Connection ~ 2750 4050
Wire Wire Line
	2750 4050 3150 4050
Connection ~ 3150 4050
Wire Wire Line
	3150 4050 3550 4050
Connection ~ 3550 4050
Wire Wire Line
	3550 4050 3950 4050
$Comp
L mpb:L_tapped L?
U 1 1 5E3AC9C4
P 6400 3500
F 0 "L?" H 6453 3546 50  0000 L CNN
F 1 "4.3uH" H 6450 3450 50  0000 L CNN
F 2 "" H 6400 3500 50  0001 C CNN
F 3 "~" H 6400 3500 50  0001 C CNN
F 4 "32 loops, 4/10 wire, toroid T37/2. Tap at 16th" H 6400 3500 50  0001 C CNN "Description"
	1    6400 3500
	-1   0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 5E3AD73A
P 6050 3500
F 0 "R?" H 5900 3550 50  0000 L CNN
F 1 "3.3k" H 5850 3450 50  0000 L CNN
F 2 "" V 5980 3500 50  0001 C CNN
F 3 "~" H 6050 3500 50  0001 C CNN
	1    6050 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	5900 3350 6050 3350
Connection ~ 6050 3350
Wire Wire Line
	6050 3350 6150 3350
Wire Wire Line
	6050 3650 6250 3650
$Comp
L Device:R R?
U 1 1 5E3B5136
P 6250 3850
F 0 "R?" H 6100 3900 50  0000 L CNN
F 1 "100" H 6050 3800 50  0000 L CNN
F 2 "" V 6180 3850 50  0001 C CNN
F 3 "~" H 6250 3850 50  0001 C CNN
	1    6250 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
	6250 3700 6250 3650
Connection ~ 6250 3650
Wire Wire Line
	6250 3650 6400 3650
Wire Wire Line
	6250 4100 6250 4000
$Comp
L Device:C_Small C?
U 1 1 5E3BB679
P 6400 3850
F 0 "C?" H 6308 3804 50  0000 R CNN
F 1 "0.1uF" H 6308 3895 50  0000 R CNN
F 2 "" H 6400 3850 50  0001 C CNN
F 3 "~" H 6400 3850 50  0001 C CNN
	1    6400 3850
	-1   0    0    1   
$EndComp
Wire Wire Line
	6400 3750 6400 3650
Connection ~ 6400 3650
$Comp
L power:GNDA #PWR?
U 1 1 5E3BE9E7
P 6400 3950
F 0 "#PWR?" H 6400 3700 50  0001 C CNN
F 1 "GNDA" H 6405 3777 50  0000 C CNN
F 2 "" H 6400 3950 50  0001 C CNN
F 3 "" H 6400 3950 50  0001 C CNN
	1    6400 3950
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5E3BFB26
P 6250 4200
F 0 "C?" H 6341 4154 50  0000 L CNN
F 1 "0.1uF" H 6341 4245 50  0000 L CNN
F 2 "" H 6250 4200 50  0001 C CNN
F 3 "~" H 6250 4200 50  0001 C CNN
	1    6250 4200
	-1   0    0    1   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E3C03F0
P 6250 4300
F 0 "#PWR?" H 6250 4050 50  0001 C CNN
F 1 "GNDA" H 6255 4127 50  0000 C CNN
F 2 "" H 6250 4300 50  0001 C CNN
F 3 "" H 6250 4300 50  0001 C CNN
	1    6250 4300
	1    0    0    -1  
$EndComp
Text GLabel 6250 4050 0    50   Input ~ 0
+8V_RX
$Comp
L Device:C_Small C?
U 1 1 5E3C120C
P 6350 3150
F 0 "C?" H 6258 3104 50  0000 R CNN
F 1 "220pF" H 6258 3195 50  0000 R CNN
F 2 "" H 6350 3150 50  0001 C CNN
F 3 "~" H 6350 3150 50  0001 C CNN
	1    6350 3150
	-1   0    0    1   
$EndComp
$Comp
L Device:CTRIM_Small C?
U 1 1 5E3C1D83
P 6150 3150
F 0 "C?" H 6241 3196 50  0000 L CNN
F 1 "60pF" H 6241 3105 50  0000 L CNN
F 2 "" H 6150 3150 50  0001 C CNN
F 3 "~" H 6150 3150 50  0001 C CNN
	1    6150 3150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	6150 3250 6150 3350
Connection ~ 6150 3350
Wire Wire Line
	6150 3350 6350 3350
Wire Wire Line
	6350 3250 6350 3350
Connection ~ 6350 3350
Wire Wire Line
	6350 3350 6400 3350
Wire Wire Line
	6150 3050 6250 3050
$Comp
L power:GNDA #PWR?
U 1 1 5E3CAF95
P 6250 3050
F 0 "#PWR?" H 6250 2800 50  0001 C CNN
F 1 "GNDA" H 6255 2877 50  0000 C CNN
F 2 "" H 6250 3050 50  0001 C CNN
F 3 "" H 6250 3050 50  0001 C CNN
	1    6250 3050
	-1   0    0    1   
$EndComp
Connection ~ 6250 3050
Wire Wire Line
	6250 3050 6350 3050
$Comp
L Device:C_Small C?
U 1 1 5E3CB7BF
P 6650 3550
F 0 "C?" V 6879 3550 50  0000 C CNN
F 1 "10nF" V 6788 3550 50  0000 C CNN
F 2 "" H 6650 3550 50  0001 C CNN
F 3 "~" H 6650 3550 50  0001 C CNN
	1    6650 3550
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6550 3550 6500 3550
$Comp
L mpb:SA602A U?
U 1 1 5E3CF1D9
P 8750 3700
F 0 "U?" H 8450 4100 50  0000 C CNN
F 1 "SA602A" H 9000 4100 50  0000 C CNN
F 2 "" H 8700 3700 50  0001 C CNN
F 3 "" H 8700 3700 50  0001 C CNN
	1    8750 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	8250 3550 6750 3550
$Comp
L Device:D D?
U 1 1 5E3D2CFA
P 4350 4450
F 0 "D?" H 4350 4326 50  0000 C CNN
F 1 "BA891" H 4350 4235 50  0000 C CNN
F 2 "" H 4350 4450 50  0001 C CNN
F 3 "https://www.mouser.ch/datasheet/2/302/BA891_N-1510814.pdf" H 4350 4450 50  0001 C CNN
	1    4350 4450
	1    0    0    -1  
$EndComp
Text GLabel 4200 4300 0    50   Input ~ 0
+8V_RX
$Comp
L Device:R R?
U 1 1 5E3D3887
P 4350 4300
F 0 "R?" V 4143 4300 50  0000 C CNN
F 1 "3.3K" V 4234 4300 50  0000 C CNN
F 2 "" V 4280 4300 50  0001 C CNN
F 3 "~" H 4350 4300 50  0001 C CNN
	1    4350 4300
	0    1    1    0   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E3D3FF0
P 4200 4450
F 0 "#PWR?" H 4200 4200 50  0001 C CNN
F 1 "GNDA" V 4205 4323 50  0000 R CNN
F 2 "" H 4200 4450 50  0001 C CNN
F 3 "" H 4200 4450 50  0001 C CNN
	1    4200 4450
	0    1    1    0   
$EndComp
Wire Wire Line
	4700 3750 4700 3950
Wire Wire Line
	4700 3950 4500 3950
Wire Wire Line
	4500 3950 4500 4300
$Comp
L Device:C_Small C?
U 1 1 5E3DAFF4
P 4900 4600
F 0 "C?" V 4671 4600 50  0000 C CNN
F 1 "10nF" V 4762 4600 50  0000 C CNN
F 2 "" H 4900 4600 50  0001 C CNN
F 3 "~" H 4900 4600 50  0001 C CNN
	1    4900 4600
	0    1    1    0   
$EndComp
Connection ~ 4500 4300
Wire Wire Line
	4500 4300 4500 4450
Connection ~ 4500 4450
Wire Wire Line
	4500 4450 4500 4600
Wire Wire Line
	4500 4600 4800 4600
Wire Wire Line
	5000 4600 9250 4600
Wire Wire Line
	9250 4600 9250 3600
$Comp
L Device:Crystal_Small Y?
U 1 1 5E3EAB00
P 7700 3850
F 0 "Y?" H 7700 4075 50  0000 C CNN
F 1 "4.915MHz" H 7700 3984 50  0000 C CNN
F 2 "" H 7700 3850 50  0001 C CNN
F 3 "https://www.mouser.ch/datasheet/2/122/csm-12r-3004.pdf" H 7700 3850 50  0001 C CNN
F 4 "ECS-49-20-18-TR" H 7700 3850 50  0001 C CNN "MPN"
	1    7700 3850
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5E3EB875
P 7850 4000
F 0 "C?" H 7758 3954 50  0000 R CNN
F 1 "47pF" H 7758 4045 50  0000 R CNN
F 2 "" H 7850 4000 50  0001 C CNN
F 3 "~" H 7850 4000 50  0001 C CNN
	1    7850 4000
	-1   0    0    1   
$EndComp
Wire Wire Line
	7850 3900 7850 3850
Wire Wire Line
	7850 3850 7800 3850
$Comp
L Device:C_Small C?
U 1 1 5E3F0037
P 7700 4150
F 0 "C?" V 7563 4150 50  0000 C CNN
F 1 "270pF" V 7472 4150 50  0000 C CNN
F 2 "" H 7700 4150 50  0001 C CNN
F 3 "~" H 7700 4150 50  0001 C CNN
	1    7700 4150
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7800 4150 7850 4150
Wire Wire Line
	7850 4150 7850 4100
Wire Wire Line
	7850 4150 8250 4150
Wire Wire Line
	8250 4150 8250 3950
Connection ~ 7850 4150
Wire Wire Line
	7850 3850 8250 3850
Connection ~ 7850 3850
$Comp
L power:GNDA #PWR?
U 1 1 5E3FC4ED
P 7600 4150
F 0 "#PWR?" H 7600 3900 50  0001 C CNN
F 1 "GNDA" V 7605 4023 50  0000 R CNN
F 2 "" H 7600 4150 50  0001 C CNN
F 3 "" H 7600 4150 50  0001 C CNN
	1    7600 4150
	0    1    1    0   
$EndComp
$Comp
L Device:L_Core_Iron L?
U 1 1 5E3FCED6
P 7350 3850
F 0 "L?" V 7169 3850 50  0000 C CNN
F 1 "TBD" V 7260 3850 50  0000 C CNN
F 2 "" H 7350 3850 50  0001 C CNN
F 3 "~" H 7350 3850 50  0001 C CNN
F 4 "To increase oscillation freq by 100Hz" V 7350 3850 50  0001 C CNN "Description"
	1    7350 3850
	0    1    1    0   
$EndComp
Wire Wire Line
	7500 3850 7600 3850
$Comp
L power:GNDA #PWR?
U 1 1 5E401A01
P 7150 3850
F 0 "#PWR?" H 7150 3600 50  0001 C CNN
F 1 "GNDA" V 7155 3723 50  0000 R CNN
F 2 "" H 7150 3850 50  0001 C CNN
F 3 "" H 7150 3850 50  0001 C CNN
	1    7150 3850
	0    1    1    0   
$EndComp
Wire Wire Line
	7150 3850 7200 3850
$Comp
L power:GNDA #PWR?
U 1 1 5E40635B
P 8750 4150
F 0 "#PWR?" H 8750 3900 50  0001 C CNN
F 1 "GNDA" H 8755 3977 50  0000 C CNN
F 2 "" H 8750 4150 50  0001 C CNN
F 3 "" H 8750 4150 50  0001 C CNN
	1    8750 4150
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5E406764
P 8900 2950
F 0 "C?" H 8808 2904 50  0000 R CNN
F 1 "0.1uF" H 8808 2995 50  0000 R CNN
F 2 "" H 8900 2950 50  0001 C CNN
F 3 "~" H 8900 2950 50  0001 C CNN
	1    8900 2950
	-1   0    0    1   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E40676E
P 8900 3050
F 0 "#PWR?" H 8900 2800 50  0001 C CNN
F 1 "GNDA" H 8905 2877 50  0000 C CNN
F 2 "" H 8900 3050 50  0001 C CNN
F 3 "" H 8900 3050 50  0001 C CNN
	1    8900 3050
	1    0    0    -1  
$EndComp
Wire Wire Line
	8750 3250 8750 2850
Wire Wire Line
	8750 2850 8900 2850
$Comp
L Device:L_Core_Iron L?
U 1 1 5E40677A
P 8500 2850
F 0 "L?" V 8725 2850 50  0000 C CNN
F 1 "200uH" V 8634 2850 50  0000 C CNN
F 2 "" H 8500 2850 50  0001 C CNN
F 3 "~" H 8500 2850 50  0001 C CNN
	1    8500 2850
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5E406785
P 8350 2950
F 0 "C?" H 8258 2904 50  0000 R CNN
F 1 "0.1uF" H 8258 2995 50  0000 R CNN
F 2 "" H 8350 2950 50  0001 C CNN
F 3 "~" H 8350 2950 50  0001 C CNN
	1    8350 2950
	-1   0    0    1   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E40678F
P 8350 3050
F 0 "#PWR?" H 8350 2800 50  0001 C CNN
F 1 "GNDA" H 8355 2877 50  0000 C CNN
F 2 "" H 8350 3050 50  0001 C CNN
F 3 "" H 8350 3050 50  0001 C CNN
	1    8350 3050
	1    0    0    -1  
$EndComp
Text GLabel 8150 2850 0    50   Input ~ 0
+8V
$Comp
L Connector:Conn_Coaxial J?
U 1 1 5E40DA0A
P 6750 1000
F 0 "J?" H 6678 1238 50  0000 C CNN
F 1 "Mic" H 6678 1147 50  0000 C CNN
F 2 "" H 6750 1000 50  0001 C CNN
F 3 " ~" H 6750 1000 50  0001 C CNN
	1    6750 1000
	-1   0    0    -1  
$EndComp
Text Notes 6650 700  0    50   ~ 0
Dynamic microphone
Wire Notes Line
	6600 600  6600 2900
$Comp
L power:GNDA #PWR?
U 1 1 5E417A69
P 6750 1400
F 0 "#PWR?" H 6750 1150 50  0001 C CNN
F 1 "GNDA" H 6755 1227 50  0000 C CNN
F 2 "" H 6750 1400 50  0001 C CNN
F 3 "" H 6750 1400 50  0001 C CNN
	1    6750 1400
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_POT RV?
U 1 1 5E418964
P 7050 1200
F 0 "RV?" H 6980 1246 50  0000 R CNN
F 1 "10k" H 6980 1155 50  0000 R CNN
F 2 "" H 7050 1200 50  0001 C CNN
F 3 "~" H 7050 1200 50  0001 C CNN
	1    7050 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	6950 1000 7050 1000
Wire Wire Line
	7050 1000 7050 1050
Wire Wire Line
	6750 1200 6750 1400
Wire Wire Line
	7050 1350 7050 1400
Wire Wire Line
	7050 1400 6750 1400
Connection ~ 6750 1400
$Comp
L Device:C_Small C?
U 1 1 5E426DBD
P 7300 1300
F 0 "C?" H 7208 1346 50  0000 R CNN
F 1 "1nF" H 7208 1255 50  0000 R CNN
F 2 "" H 7300 1300 50  0001 C CNN
F 3 "~" H 7300 1300 50  0001 C CNN
	1    7300 1300
	-1   0    0    -1  
$EndComp
Wire Wire Line
	7200 1200 7300 1200
Wire Wire Line
	7300 1400 7050 1400
Connection ~ 7050 1400
$Comp
L Device:C_Small C?
U 1 1 5E430997
P 6850 2500
F 0 "C?" V 7079 2500 50  0000 C CNN
F 1 "0.1uF" V 6988 2500 50  0000 C CNN
F 2 "" H 6850 2500 50  0001 C CNN
F 3 "~" H 6850 2500 50  0001 C CNN
	1    6850 2500
	0    -1   -1   0   
$EndComp
Connection ~ 7300 1200
$Comp
L Transistor_BJT:BC547 Q?
U 1 1 5E43AFA8
P 7250 2500
F 0 "Q?" H 7441 2546 50  0000 L CNN
F 1 "BC547" H 7441 2455 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 7450 2425 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC547.pdf" H 7250 2500 50  0001 L CNN
	1    7250 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	7550 1200 7550 1650
Wire Wire Line
	7550 1650 6700 1650
Wire Wire Line
	6700 1650 6700 2500
Wire Wire Line
	6700 2500 6750 2500
Wire Wire Line
	7300 1200 7550 1200
Wire Wire Line
	6950 2500 7050 2500
$Comp
L Device:R R?
U 1 1 5E455A59
P 7050 2200
F 0 "R?" H 7120 2246 50  0000 L CNN
F 1 "560k" H 7120 2155 50  0000 L CNN
F 2 "" V 6980 2200 50  0001 C CNN
F 3 "~" H 7050 2200 50  0001 C CNN
	1    7050 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	7050 2500 7050 2350
Connection ~ 7050 2500
Wire Wire Line
	7050 2050 7350 2050
Wire Wire Line
	7350 2050 7350 2300
Text GLabel 7850 1000 1    50   Input ~ 0
+8V_TX
$Comp
L Device:R R?
U 1 1 5E460CEA
P 7850 1200
F 0 "R?" H 7920 1246 50  0000 L CNN
F 1 "1k" H 7920 1155 50  0000 L CNN
F 2 "" V 7780 1200 50  0001 C CNN
F 3 "~" H 7850 1200 50  0001 C CNN
	1    7850 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	7850 1050 7850 1000
$Comp
L Device:R R?
U 1 1 5E46666D
P 7850 1600
F 0 "R?" H 7920 1646 50  0000 L CNN
F 1 "3.3k" H 7920 1555 50  0000 L CNN
F 2 "" V 7780 1600 50  0001 C CNN
F 3 "~" H 7850 1600 50  0001 C CNN
	1    7850 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	7850 1450 7850 1400
$Comp
L Device:CP_Small C?
U 1 1 5E46CB69
P 8150 1500
F 0 "C?" H 8238 1546 50  0000 L CNN
F 1 "47uF" H 8238 1455 50  0000 L CNN
F 2 "" H 8150 1500 50  0001 C CNN
F 3 "~" H 8150 1500 50  0001 C CNN
	1    8150 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	8150 1400 7850 1400
Connection ~ 7850 1400
Wire Wire Line
	7850 1400 7850 1350
$Comp
L power:GNDA #PWR?
U 1 1 5E4785A0
P 8150 1600
F 0 "#PWR?" H 8150 1350 50  0001 C CNN
F 1 "GNDA" H 8155 1427 50  0000 C CNN
F 2 "" H 8150 1600 50  0001 C CNN
F 3 "" H 8150 1600 50  0001 C CNN
	1    8150 1600
	-1   0    0    -1  
$EndComp
Wire Wire Line
	7350 1850 7850 1850
Wire Wire Line
	7850 1850 7850 1750
$Comp
L Device:R R?
U 1 1 5E483B56
P 7200 2850
F 0 "R?" H 7270 2896 50  0000 L CNN
F 1 "1k" H 7270 2805 50  0000 L CNN
F 2 "" V 7130 2850 50  0001 C CNN
F 3 "~" H 7200 2850 50  0001 C CNN
	1    7200 2850
	1    0    0    -1  
$EndComp
$Comp
L Device:CP_Small C?
U 1 1 5E483F01
P 7550 2850
F 0 "C?" H 7638 2896 50  0000 L CNN
F 1 "10uF" H 7638 2805 50  0000 L CNN
F 2 "" H 7550 2850 50  0001 C CNN
F 3 "~" H 7550 2850 50  0001 C CNN
	1    7550 2850
	1    0    0    -1  
$EndComp
Wire Wire Line
	7200 2700 7350 2700
Wire Wire Line
	7350 2700 7550 2700
Wire Wire Line
	7550 2700 7550 2750
Connection ~ 7350 2700
Wire Wire Line
	7550 3000 7550 2950
Wire Wire Line
	7200 3000 7350 3000
$Comp
L power:GNDA #PWR?
U 1 1 5E49BE54
P 7350 3000
F 0 "#PWR?" H 7350 2750 50  0001 C CNN
F 1 "GNDA" H 7355 2827 50  0000 C CNN
F 2 "" H 7350 3000 50  0001 C CNN
F 3 "" H 7350 3000 50  0001 C CNN
	1    7350 3000
	-1   0    0    -1  
$EndComp
Connection ~ 7350 3000
Wire Wire Line
	7350 3000 7550 3000
$Comp
L Device:C_Small C?
U 1 1 5E49C26E
P 7850 2000
F 0 "C?" H 7942 2046 50  0000 L CNN
F 1 "1uF" H 7942 1955 50  0000 L CNN
F 2 "" H 7850 2000 50  0001 C CNN
F 3 "~" H 7850 2000 50  0001 C CNN
	1    7850 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	7850 1850 7850 1900
Connection ~ 7850 1850
$Comp
L Device:R R?
U 1 1 5E4A289A
P 7850 2350
F 0 "R?" H 7920 2396 50  0000 L CNN
F 1 "10k" H 7920 2305 50  0000 L CNN
F 2 "" V 7780 2350 50  0001 C CNN
F 3 "~" H 7850 2350 50  0001 C CNN
	1    7850 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	7850 2200 7850 2150
Wire Wire Line
	7850 3450 8250 3450
$Comp
L Device:C_Small C?
U 1 1 5E4B5B2C
P 8250 2550
F 0 "C?" V 8479 2550 50  0000 C CNN
F 1 "10nF" V 8388 2550 50  0000 C CNN
F 2 "" H 8250 2550 50  0001 C CNN
F 3 "~" H 8250 2550 50  0001 C CNN
	1    8250 2550
	0    1    -1   0   
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5E4B62A2
P 8250 2150
F 0 "C?" V 8479 2150 50  0000 C CNN
F 1 "10nF" V 8388 2150 50  0000 C CNN
F 2 "" H 8250 2150 50  0001 C CNN
F 3 "~" H 8250 2150 50  0001 C CNN
	1    8250 2150
	0    1    -1   0   
$EndComp
Wire Wire Line
	8150 2550 7850 2550
Wire Wire Line
	7850 2500 7850 2550
Connection ~ 7850 2550
Wire Wire Line
	7850 2150 8150 2150
Connection ~ 7850 2150
Wire Wire Line
	7850 2150 7850 2100
$Comp
L power:GNDA #PWR?
U 1 1 5E4C3EAE
P 8400 2350
F 0 "#PWR?" H 8400 2100 50  0001 C CNN
F 1 "GNDA" V 8405 2222 50  0000 R CNN
F 2 "" H 8400 2350 50  0001 C CNN
F 3 "" H 8400 2350 50  0001 C CNN
	1    8400 2350
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8400 2150 8350 2150
Wire Wire Line
	8350 2550 8400 2550
Wire Wire Line
	8400 2550 8400 2350
Connection ~ 8400 2350
Wire Wire Line
	8400 2350 8400 2150
$Comp
L Device:C_Small C?
U 1 1 5E4D2F73
P 9400 3500
F 0 "C?" V 9171 3500 50  0000 C CNN
F 1 "0.22uF" V 9262 3500 50  0000 C CNN
F 2 "" H 9400 3500 50  0001 C CNN
F 3 "~" H 9400 3500 50  0001 C CNN
	1    9400 3500
	0    1    1    0   
$EndComp
Wire Wire Line
	9250 3500 9300 3500
$Comp
L Device:C_Small C?
U 1 1 5E4DA4C9
P 9600 3300
F 0 "C?" H 9508 3346 50  0000 R CNN
F 1 "10nF" H 9508 3255 50  0000 R CNN
F 2 "" H 9600 3300 50  0001 C CNN
F 3 "~" H 9600 3300 50  0001 C CNN
	1    9600 3300
	-1   0    0    -1  
$EndComp
Wire Wire Line
	9500 3500 9600 3500
Wire Wire Line
	9600 3500 9600 3400
$Comp
L power:GNDA #PWR?
U 1 1 5E4E1E23
P 9600 3200
F 0 "#PWR?" H 9600 2950 50  0001 C CNN
F 1 "GNDA" H 9605 3027 50  0000 C CNN
F 2 "" H 9600 3200 50  0001 C CNN
F 3 "" H 9600 3200 50  0001 C CNN
	1    9600 3200
	-1   0    0    1   
$EndComp
$Comp
L Device:R R?
U 1 1 5E4E2220
P 9850 3500
F 0 "R?" V 9965 3500 50  0000 C CNN
F 1 "1.5k" V 10056 3500 50  0000 C CNN
F 2 "" V 9780 3500 50  0001 C CNN
F 3 "~" H 9850 3500 50  0001 C CNN
	1    9850 3500
	0    1    1    0   
$EndComp
Wire Wire Line
	9600 3500 9700 3500
Connection ~ 9600 3500
$Comp
L Device:C_Small C?
U 1 1 5E4EA094
P 10150 3300
F 0 "C?" H 10058 3346 50  0000 R CNN
F 1 "10nF" H 10058 3255 50  0000 R CNN
F 2 "" H 10150 3300 50  0001 C CNN
F 3 "~" H 10150 3300 50  0001 C CNN
	1    10150 3300
	-1   0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E4EA51D
P 10150 3200
F 0 "#PWR?" H 10150 2950 50  0001 C CNN
F 1 "GNDA" H 10155 3027 50  0000 C CNN
F 2 "" H 10150 3200 50  0001 C CNN
F 3 "" H 10150 3200 50  0001 C CNN
	1    10150 3200
	-1   0    0    1   
$EndComp
Wire Wire Line
	10000 3500 10150 3500
Wire Wire Line
	10150 3500 10150 3400
$Comp
L Device:C_Small C?
U 1 1 5E4F1AF3
P 10150 3700
F 0 "C?" H 10058 3654 50  0000 R CNN
F 1 "0.22uF" H 10058 3745 50  0000 R CNN
F 2 "" H 10150 3700 50  0001 C CNN
F 3 "~" H 10150 3700 50  0001 C CNN
	1    10150 3700
	-1   0    0    1   
$EndComp
Wire Wire Line
	10150 3500 10150 3600
Connection ~ 10150 3500
$Comp
L Device:R R?
U 1 1 5E4F95A6
P 10150 4000
F 0 "R?" H 10080 3954 50  0000 R CNN
F 1 "6.8k" H 10080 4045 50  0000 R CNN
F 2 "" V 10080 4000 50  0001 C CNN
F 3 "~" H 10150 4000 50  0001 C CNN
	1    10150 4000
	-1   0    0    1   
$EndComp
Wire Wire Line
	10150 3850 10150 3800
$Comp
L Device:R_POT RV?
U 1 1 5E501314
P 10150 4350
F 0 "RV?" H 10080 4396 50  0000 R CNN
F 1 "10k" H 10080 4305 50  0000 R CNN
F 2 "" H 10150 4350 50  0001 C CNN
F 3 "~" H 10150 4350 50  0001 C CNN
	1    10150 4350
	1    0    0    -1  
$EndComp
Wire Wire Line
	10150 4200 10150 4150
$Comp
L power:GNDA #PWR?
U 1 1 5E5090A6
P 10150 4550
F 0 "#PWR?" H 10150 4300 50  0001 C CNN
F 1 "GNDA" H 10155 4377 50  0000 C CNN
F 2 "" H 10150 4550 50  0001 C CNN
F 3 "" H 10150 4550 50  0001 C CNN
	1    10150 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	10150 4550 10150 4500
$Comp
L Device:CP_Small C?
U 1 1 5E510B8B
P 10550 3500
F 0 "C?" V 10775 3500 50  0000 C CNN
F 1 "1.5uF" V 10684 3500 50  0000 C CNN
F 2 "" H 10550 3500 50  0001 C CNN
F 3 "~" H 10550 3500 50  0001 C CNN
	1    10550 3500
	0    -1   -1   0   
$EndComp
Wire Wire Line
	10450 3500 10150 3500
$Comp
L Device:CP_Small C?
U 1 1 5E518D0F
P 10500 4350
F 0 "C?" V 10725 4350 50  0000 C CNN
F 1 "1uF" V 10634 4350 50  0000 C CNN
F 2 "" H 10500 4350 50  0001 C CNN
F 3 "~" H 10500 4350 50  0001 C CNN
	1    10500 4350
	0    -1   -1   0   
$EndComp
Wire Wire Line
	10300 4350 10400 4350
$Comp
L Amplifier_Audio:LM386 U?
U 1 1 5E521CFD
P 8250 5800
F 0 "U?" H 8594 5846 50  0000 L CNN
F 1 "LM386" H 8594 5755 50  0000 L CNN
F 2 "" H 8350 5900 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm386.pdf" H 8450 6000 50  0001 C CNN
	1    8250 5800
	-1   0    0    -1  
$EndComp
Wire Wire Line
	8550 5900 8550 6150
Wire Wire Line
	8550 6150 8450 6150
Wire Wire Line
	8350 6150 8350 6100
$Comp
L power:GNDA #PWR?
U 1 1 5E52AB51
P 8450 6150
F 0 "#PWR?" H 8450 5900 50  0001 C CNN
F 1 "GNDA" H 8455 5977 50  0000 C CNN
F 2 "" H 8450 6150 50  0001 C CNN
F 3 "" H 8450 6150 50  0001 C CNN
	1    8450 6150
	1    0    0    -1  
$EndComp
Connection ~ 8450 6150
Wire Wire Line
	8450 6150 8350 6150
Wire Wire Line
	10600 4350 10650 4350
$Comp
L Device:C_Small C?
U 1 1 5E53327F
P 10800 4450
F 0 "C?" H 10708 4496 50  0000 R CNN
F 1 "10nF" H 10708 4405 50  0000 R CNN
F 2 "" H 10800 4450 50  0001 C CNN
F 3 "~" H 10800 4450 50  0001 C CNN
	1    10800 4450
	-1   0    0    -1  
$EndComp
Wire Wire Line
	10800 4350 10650 4350
Connection ~ 10650 4350
$Comp
L power:GNDA #PWR?
U 1 1 5E53C532
P 10800 4550
F 0 "#PWR?" H 10800 4300 50  0001 C CNN
F 1 "GNDA" H 10805 4377 50  0000 C CNN
F 2 "" H 10800 4550 50  0001 C CNN
F 3 "" H 10800 4550 50  0001 C CNN
	1    10800 4550
	1    0    0    -1  
$EndComp
$Comp
L Device:CP_Small C?
U 1 1 5E54E2B9
P 8150 6250
F 0 "C?" V 8017 6250 50  0000 C CNN
F 1 "10uF" V 7926 6250 50  0000 C CNN
F 2 "" H 8150 6250 50  0001 C CNN
F 3 "~" H 8150 6250 50  0001 C CNN
	1    8150 6250
	0    1    -1   0   
$EndComp
Wire Wire Line
	8250 6250 8250 6100
Wire Wire Line
	8150 6100 8050 6100
Wire Wire Line
	8050 6100 8050 6250
$Comp
L Device:R R?
U 1 1 5E567FE9
P 8350 5100
F 0 "R?" H 8280 5054 50  0000 R CNN
F 1 "10" H 8280 5145 50  0000 R CNN
F 2 "" V 8280 5100 50  0001 C CNN
F 3 "~" H 8350 5100 50  0001 C CNN
	1    8350 5100
	-1   0    0    1   
$EndComp
$Comp
L Device:CP_Small C?
U 1 1 5E56839B
P 8650 5350
F 0 "C?" H 8562 5396 50  0000 R CNN
F 1 "470uF" H 8562 5305 50  0000 R CNN
F 2 "" H 8650 5350 50  0001 C CNN
F 3 "~" H 8650 5350 50  0001 C CNN
	1    8650 5350
	-1   0    0    -1  
$EndComp
Wire Wire Line
	8350 5500 8350 5250
Wire Wire Line
	8350 5250 8650 5250
Connection ~ 8350 5250
$Comp
L power:GNDA #PWR?
U 1 1 5E58AA49
P 8650 5450
F 0 "#PWR?" H 8650 5200 50  0001 C CNN
F 1 "GNDA" H 8655 5277 50  0000 C CNN
F 2 "" H 8650 5450 50  0001 C CNN
F 3 "" H 8650 5450 50  0001 C CNN
	1    8650 5450
	1    0    0    -1  
$EndComp
Text GLabel 8350 4900 1    50   Input ~ 0
+8V
Wire Wire Line
	8350 4950 8350 4900
Wire Wire Line
	8550 5700 9000 5700
$Comp
L Device:R R?
U 1 1 5E5A82B1
P 7500 5950
F 0 "R?" H 7430 5904 50  0000 R CNN
F 1 "10" H 7430 5995 50  0000 R CNN
F 2 "" V 7430 5950 50  0001 C CNN
F 3 "~" H 7500 5950 50  0001 C CNN
	1    7500 5950
	-1   0    0    1   
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5E5A872F
P 7500 6250
F 0 "C?" H 7408 6204 50  0000 R CNN
F 1 "0.1uF" H 7408 6295 50  0000 R CNN
F 2 "" H 7500 6250 50  0001 C CNN
F 3 "~" H 7500 6250 50  0001 C CNN
	1    7500 6250
	-1   0    0    1   
$EndComp
Wire Wire Line
	7500 6150 7500 6100
$Comp
L power:GNDA #PWR?
U 1 1 5E5B1951
P 7500 6350
F 0 "#PWR?" H 7500 6100 50  0001 C CNN
F 1 "GNDA" H 7505 6177 50  0000 C CNN
F 2 "" H 7500 6350 50  0001 C CNN
F 3 "" H 7500 6350 50  0001 C CNN
	1    7500 6350
	1    0    0    -1  
$EndComp
Wire Wire Line
	7500 5800 7950 5800
$Comp
L Device:CP_Small C?
U 1 1 5E5BAD46
P 7300 5800
F 0 "C?" V 7075 5800 50  0000 C CNN
F 1 "220uF" V 7166 5800 50  0000 C CNN
F 2 "" H 7300 5800 50  0001 C CNN
F 3 "~" H 7300 5800 50  0001 C CNN
	1    7300 5800
	0    1    1    0   
$EndComp
Wire Wire Line
	7500 5800 7400 5800
Connection ~ 7500 5800
$Comp
L Connector_Generic:Conn_01x02 J?
U 1 1 5E5C5715
P 6800 5900
F 0 "J?" H 6718 5575 50  0000 C CNN
F 1 "SPKR" H 6718 5666 50  0000 C CNN
F 2 "" H 6800 5900 50  0001 C CNN
F 3 "~" H 6800 5900 50  0001 C CNN
	1    6800 5900
	-1   0    0    1   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E5C5E3E
P 7000 6000
F 0 "#PWR?" H 7000 5750 50  0001 C CNN
F 1 "GNDA" H 7005 5827 50  0000 C CNN
F 2 "" H 7000 6000 50  0001 C CNN
F 3 "" H 7000 6000 50  0001 C CNN
	1    7000 6000
	1    0    0    -1  
$EndComp
Wire Wire Line
	7000 6000 7000 5900
Wire Wire Line
	7000 5800 7200 5800
Text Notes 6900 6050 2    50   ~ 0
8 Ohm
$Comp
L Transistor_BJT:BC107 Q?
U 1 1 5E5DA634
P 10550 5950
F 0 "Q?" H 10741 5996 50  0000 L CNN
F 1 "BC107" H 10741 5905 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-18-3" H 10750 5875 50  0001 L CIN
F 3 "http://www.b-kainka.de/Daten/Transistor/BC108.pdf" H 10550 5950 50  0001 L CNN
	1    10550 5950
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 5E5DBA37
P 10800 5200
F 0 "R?" H 10730 5154 50  0000 R CNN
F 1 "12k" H 10730 5245 50  0000 R CNN
F 2 "" V 10730 5200 50  0001 C CNN
F 3 "~" H 10800 5200 50  0001 C CNN
	1    10800 5200
	-1   0    0    1   
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E5EF78B
P 10800 5400
F 0 "#PWR?" H 10800 5150 50  0001 C CNN
F 1 "GNDA" H 10805 5227 50  0000 C CNN
F 2 "" H 10800 5400 50  0001 C CNN
F 3 "" H 10800 5400 50  0001 C CNN
	1    10800 5400
	1    0    0    -1  
$EndComp
Wire Wire Line
	10800 5400 10800 5350
$Comp
L power:GNDA #PWR?
U 1 1 5E604089
P 10650 6200
F 0 "#PWR?" H 10650 5950 50  0001 C CNN
F 1 "GNDA" H 10655 6027 50  0000 C CNN
F 2 "" H 10650 6200 50  0001 C CNN
F 3 "" H 10650 6200 50  0001 C CNN
	1    10650 6200
	1    0    0    -1  
$EndComp
Wire Wire Line
	10650 6200 10650 6150
$Comp
L Device:CP_Small C?
U 1 1 5E60DF50
P 10200 6050
F 0 "C?" H 10287 6096 50  0000 L CNN
F 1 "47uF" H 10287 6005 50  0000 L CNN
F 2 "" H 10200 6050 50  0001 C CNN
F 3 "~" H 10200 6050 50  0001 C CNN
	1    10200 6050
	-1   0    0    -1  
$EndComp
Wire Wire Line
	10200 5950 10350 5950
$Comp
L power:GNDA #PWR?
U 1 1 5E618850
P 10200 6200
F 0 "#PWR?" H 10200 5950 50  0001 C CNN
F 1 "GNDA" H 10205 6027 50  0000 C CNN
F 2 "" H 10200 6200 50  0001 C CNN
F 3 "" H 10200 6200 50  0001 C CNN
	1    10200 6200
	1    0    0    -1  
$EndComp
Wire Wire Line
	10200 6200 10200 6150
Wire Wire Line
	10650 4350 10650 4800
Wire Wire Line
	9000 4800 10650 4800
Wire Wire Line
	9000 4800 9000 5700
Connection ~ 10650 4800
Wire Wire Line
	10650 4800 10650 5750
Wire Wire Line
	10800 5050 10800 4800
Wire Wire Line
	10800 4800 10650 4800
$Comp
L Device:R R?
U 1 1 5E64AC63
P 10200 5750
F 0 "R?" H 10270 5704 50  0000 L CNN
F 1 "1.5k" H 10270 5795 50  0000 L CNN
F 2 "" V 10130 5750 50  0001 C CNN
F 3 "~" H 10200 5750 50  0001 C CNN
	1    10200 5750
	-1   0    0    1   
$EndComp
Wire Wire Line
	10200 5900 10200 5950
Connection ~ 10200 5950
Text GLabel 10200 5550 1    50   Input ~ 0
+8V_TX
Wire Wire Line
	10200 5600 10200 5550
$Comp
L Device:R_POT RV?
U 1 1 5E65FDD7
P 10900 3500
F 0 "RV?" V 10785 3500 50  0000 C CNN
F 1 "22k" V 10694 3500 50  0000 C CNN
F 2 "" H 10900 3500 50  0001 C CNN
F 3 "~" H 10900 3500 50  0001 C CNN
	1    10900 3500
	0    -1   -1   0   
$EndComp
Wire Wire Line
	10650 3500 10750 3500
$Comp
L power:GNDA #PWR?
U 1 1 5E66A7BB
P 11100 3550
F 0 "#PWR?" H 11100 3300 50  0001 C CNN
F 1 "GNDA" H 11105 3377 50  0000 C CNN
F 2 "" H 11100 3550 50  0001 C CNN
F 3 "" H 11100 3550 50  0001 C CNN
	1    11100 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	11100 3550 11100 3500
Wire Wire Line
	11100 3500 11050 3500
$Comp
L Device:CP_Small C?
U 1 1 5E6752AC
P 10900 3150
F 0 "C?" H 10988 3196 50  0000 L CNN
F 1 "2.2uF" H 10988 3105 50  0000 L CNN
F 2 "" H 10900 3150 50  0001 C CNN
F 3 "~" H 10900 3150 50  0001 C CNN
	1    10900 3150
	1    0    0    -1  
$EndComp
Wire Wire Line
	10900 3250 10900 3350
$Comp
L Transistor_BJT:BC109 Q?
U 1 1 5E680C50
P 9200 1750
F 0 "Q?" H 9391 1796 50  0000 L CNN
F 1 "BC109" H 9391 1705 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-18-3" H 9400 1675 50  0001 L CIN
F 3 "http://www.farnell.com/datasheets/296634.pdf" H 9200 1750 50  0001 L CNN
	1    9200 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	10900 3050 10900 2800
Wire Wire Line
	8950 1750 9000 1750
$Comp
L Device:R R?
U 1 1 5E698692
P 8950 1500
F 0 "R?" H 8881 1546 50  0000 R CNN
F 1 "390k" H 8881 1455 50  0000 R CNN
F 2 "" V 8880 1500 50  0001 C CNN
F 3 "~" H 8950 1500 50  0001 C CNN
	1    8950 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	8950 1750 8950 1650
Wire Wire Line
	8950 1350 9300 1350
Wire Wire Line
	9300 1350 9300 1500
$Comp
L Device:R R?
U 1 1 5E6AF3E2
P 9300 1150
F 0 "R?" H 9370 1196 50  0000 L CNN
F 1 "4.7k" H 9370 1105 50  0000 L CNN
F 2 "" V 9230 1150 50  0001 C CNN
F 3 "~" H 9300 1150 50  0001 C CNN
	1    9300 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	9300 1300 9300 1350
Connection ~ 9300 1350
$Comp
L Device:CP_Small C?
U 1 1 5E6BAD4B
P 9450 1500
F 0 "C?" V 9675 1500 50  0000 C CNN
F 1 "4.7uF" V 9584 1500 50  0000 C CNN
F 2 "" H 9450 1500 50  0001 C CNN
F 3 "~" H 9450 1500 50  0001 C CNN
	1    9450 1500
	0    -1   -1   0   
$EndComp
Wire Wire Line
	9350 1500 9300 1500
Connection ~ 9300 1500
Wire Wire Line
	9300 1500 9300 1550
$Comp
L power:GNDA #PWR?
U 1 1 5E6C7437
P 9550 2000
F 0 "#PWR?" H 9550 1750 50  0001 C CNN
F 1 "GNDA" H 9555 1827 50  0000 C CNN
F 2 "" H 9550 2000 50  0001 C CNN
F 3 "" H 9550 2000 50  0001 C CNN
	1    9550 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	9300 2000 9300 1950
$Comp
L Diode:1N5711 D?
U 1 1 5E6D7118
P 9900 1500
F 0 "D?" H 9900 1284 50  0000 C CNN
F 1 "1N5711 or Ge" H 9900 1375 50  0000 C CNN
F 2 "Diode_SMD:D_SOD-123F" H 9900 1325 50  0001 C CNN
F 3 "https://www.mouser.ch/datasheet/2/115/ds11015-60335.pdf" H 9900 1500 50  0001 C CNN
F 4 "1N5711W-7-F" H 9900 1500 50  0001 C CNN "MPN"
	1    9900 1500
	-1   0    0    1   
$EndComp
$Comp
L Diode:1N5711 D?
U 1 1 5E6D976F
P 9700 1700
F 0 "D?" V 9654 1779 50  0000 L CNN
F 1 "1N5711 or Ge" V 9745 1779 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-123F" H 9700 1525 50  0001 C CNN
F 3 "https://www.mouser.ch/datasheet/2/115/ds11015-60335.pdf" H 9700 1700 50  0001 C CNN
F 4 "1N5711W-7-F" H 9700 1700 50  0001 C CNN "MPN"
	1    9700 1700
	0    1    1    0   
$EndComp
Wire Wire Line
	9550 1500 9700 1500
Wire Wire Line
	9700 1550 9700 1500
Connection ~ 9700 1500
Wire Wire Line
	9700 1500 9750 1500
Wire Wire Line
	9300 2000 9550 2000
Wire Wire Line
	9700 1850 9700 2000
Wire Wire Line
	9700 2000 9550 2000
Connection ~ 9550 2000
Text GLabel 8800 600  0    50   Input ~ 0
+8V_RX
$Comp
L Device:CP_Small C?
U 1 1 5E716B0D
P 8900 700
F 0 "C?" H 8988 746 50  0000 L CNN
F 1 "47uF" H 8988 655 50  0000 L CNN
F 2 "" H 8900 700 50  0001 C CNN
F 3 "~" H 8900 700 50  0001 C CNN
	1    8900 700 
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR?
U 1 1 5E723526
P 8900 800
F 0 "#PWR?" H 8900 550 50  0001 C CNN
F 1 "GNDA" H 8905 627 50  0000 C CNN
F 2 "" H 8900 800 50  0001 C CNN
F 3 "" H 8900 800 50  0001 C CNN
	1    8900 800 
	-1   0    0    -1  
$EndComp
Wire Wire Line
	7350 2050 7350 1850
Connection ~ 7350 2050
Wire Wire Line
	7850 2550 7850 3450
Wire Wire Line
	8150 2850 8350 2850
Connection ~ 8350 2850
Wire Wire Line
	8650 2850 8750 2850
Connection ~ 8750 2850
Wire Wire Line
	8950 2800 8950 1750
Wire Wire Line
	8950 2800 10900 2800
Connection ~ 8950 1750
$Comp
L Transistor_BJT:PN2222A Q?
U 1 1 5E7A0901
P 10650 1500
F 0 "Q?" H 10840 1546 50  0000 L CNN
F 1 "PN2222A" H 10840 1455 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 10850 1425 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/PN/PN2222A.pdf" H 10650 1500 50  0001 L CNN
	1    10650 1500
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 5E7C6F0E
P 10250 1500
F 0 "R?" V 10043 1500 50  0000 C CNN
F 1 "4.7k" V 10134 1500 50  0000 C CNN
F 2 "" V 10180 1500 50  0001 C CNN
F 3 "~" H 10250 1500 50  0001 C CNN
	1    10250 1500
	0    1    1    0   
$EndComp
Wire Wire Line
	10050 1500 10100 1500
Wire Wire Line
	10400 1500 10450 1500
$Comp
L Device:CP_Small C?
U 1 1 5E7E0C6C
P 10050 1100
F 0 "C?" H 9962 1054 50  0000 R CNN
F 1 "47uF" H 9962 1145 50  0000 R CNN
F 2 "" H 10050 1100 50  0001 C CNN
F 3 "~" H 10050 1100 50  0001 C CNN
	1    10050 1100
	-1   0    0    1   
$EndComp
Wire Wire Line
	10050 1500 10050 1200
Connection ~ 10050 1500
$Comp
L power:GNDA #PWR?
U 1 1 5E7EE5B3
P 10050 950
F 0 "#PWR?" H 10050 700 50  0001 C CNN
F 1 "GNDA" H 10055 777 50  0000 C CNN
F 2 "" H 10050 950 50  0001 C CNN
F 3 "" H 10050 950 50  0001 C CNN
	1    10050 950 
	-1   0    0    1   
$EndComp
Wire Wire Line
	10050 1000 10050 950 
Wire Wire Line
	9300 600  9300 1000
Wire Wire Line
	9300 600  10750 600 
Wire Wire Line
	8800 600  8900 600 
Wire Wire Line
	8900 600  9300 600 
Connection ~ 8900 600 
Connection ~ 9300 600 
$Comp
L Device:R R?
U 1 1 5E86FCBF
P 10750 1000
F 0 "R?" H 10680 954 50  0000 R CNN
F 1 "3.9k" H 10680 1045 50  0000 R CNN
F 2 "" V 10680 1000 50  0001 C CNN
F 3 "~" H 10750 1000 50  0001 C CNN
	1    10750 1000
	-1   0    0    1   
$EndComp
Wire Wire Line
	10750 850  10750 600 
Wire Wire Line
	10750 1300 10750 1250
Text Label 10850 1250 0    50   ~ 0
CAG
Wire Wire Line
	10850 1250 10750 1250
Connection ~ 10750 1250
Wire Wire Line
	10750 1250 10750 1150
$Comp
L Device:R_POT RV?
U 1 1 5E897D70
P 10250 2000
F 0 "RV?" H 10181 2046 50  0000 R CNN
F 1 "470" H 10181 1955 50  0000 R CNN
F 2 "" H 10250 2000 50  0001 C CNN
F 3 "~" H 10250 2000 50  0001 C CNN
	1    10250 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	10750 1800 10750 1700
$Comp
L power:GNDA #PWR?
U 1 1 5E8A5CFD
P 10250 2200
F 0 "#PWR?" H 10250 1950 50  0001 C CNN
F 1 "GNDA" H 10255 2027 50  0000 C CNN
F 2 "" H 10250 2200 50  0001 C CNN
F 3 "" H 10250 2200 50  0001 C CNN
	1    10250 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	10250 2200 10250 2150
Wire Wire Line
	10750 1800 10250 1800
Wire Wire Line
	10250 1800 10250 1850
$Comp
L Connector_Generic:Conn_01x02 J?
U 1 1 5E8CFE5D
P 10800 2100
F 0 "J?" H 10718 1775 50  0000 C CNN
F 1 "METER" H 10718 1866 50  0000 C CNN
F 2 "" H 10800 2100 50  0001 C CNN
F 3 "~" H 10800 2100 50  0001 C CNN
	1    10800 2100
	1    0    0    1   
$EndComp
Wire Wire Line
	10600 2000 10400 2000
$Comp
L power:GNDA #PWR?
U 1 1 5E8DE2F2
P 10600 2150
F 0 "#PWR?" H 10600 1900 50  0001 C CNN
F 1 "GNDA" H 10605 1977 50  0000 C CNN
F 2 "" H 10600 2150 50  0001 C CNN
F 3 "" H 10600 2150 50  0001 C CNN
	1    10600 2150
	1    0    0    -1  
$EndComp
Wire Wire Line
	10600 2150 10600 2100
Text Notes 10900 2250 0    50   ~ 0
100uA
$EndSCHEMATC