Use 6 crystals for IF filter

1 files changed, 157 insertions, 85 deletions

diff --git a/kicad/baseband.sch b/kicad/baseband.sch
index 15826a7..f8a01b8 100644
--- a/kicad/baseband.sch
+++ b/kicad/baseband.sch
@@ -236,9 +236,35 @@ Wire Wire Line
 $Comp
 L Device:C_Small C306
 U 1 1 5E348FC2
+P 1800 6200
+F 0 "C306" H 1708 6154 50  0000 R CNN
+F 1 "27pF" H 1708 6245 50  0000 R CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 1800 6200 50  0001 C CNN
+F 3 "~" H 1800 6200 50  0001 C CNN
+F 4 "CBR" H 1800 6200 50  0001 C CNN "MPN"
+F 5 "0" H 1800 6200 50  0001 C CNN "Need_order"
+	1    1800 6200
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:C_Small C314
+U 1 1 5E3499C6
+P 4200 6200
+F 0 "C314" H 4108 6154 50  0000 R CNN
+F 1 "27pF" H 4108 6245 50  0000 R CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 4200 6200 50  0001 C CNN
+F 3 "~" H 4200 6200 50  0001 C CNN
+F 4 "CBR" H 4200 6200 50  0001 C CNN "MPN"
+F 5 "0" H 4200 6200 50  0001 C CNN "Need_order"
+	1    4200 6200
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:C_Small C307
+U 1 1 5E349D5B
 P 2200 6200
-F 0 "C306" H 2108 6154 50  0000 R CNN
-F 1 "27pF" H 2108 6245 50  0000 R CNN
+F 0 "C307" H 2108 6154 50  0000 R CNN
+F 1 "39pF" H 2108 6245 50  0000 R CNN
 F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 2200 6200 50  0001 C CNN
 F 3 "~" H 2200 6200 50  0001 C CNN
 F 4 "CBR" H 2200 6200 50  0001 C CNN "MPN"
@@ -247,11 +273,11 @@ F 5 "0" H 2200 6200 50  0001 C CNN "Need_order"
 	-1   0    0    1   
 $EndComp
 $Comp
-L Device:C_Small C314
-U 1 1 5E3499C6
+L Device:C_Small C312
+U 1 1 5E34A061
 P 3800 6200
-F 0 "C314" H 3708 6154 50  0000 R CNN
-F 1 "27pF" H 3708 6245 50  0000 R CNN
+F 0 "C312" H 3708 6154 50  0000 R CNN
+F 1 "39pF" H 3708 6245 50  0000 R CNN
 F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3800 6200 50  0001 C CNN
 F 3 "~" H 3800 6200 50  0001 C CNN
 F 4 "CBR" H 3800 6200 50  0001 C CNN "MPN"
@@ -260,11 +286,11 @@ F 5 "0" H 3800 6200 50  0001 C CNN "Need_order"
 	-1   0    0    1   
 $EndComp
 $Comp
-L Device:C_Small C307
-U 1 1 5E349D5B
+L Device:C_Small C310
+U 1 1 5E34A630
 P 2600 6200
-F 0 "C307" H 2508 6154 50  0000 R CNN
-F 1 "39pF" H 2508 6245 50  0000 R CNN
+F 0 "C310" H 2508 6154 50  0000 R CNN
+F 1 "47pF" H 2508 6245 50  0000 R CNN
 F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 2600 6200 50  0001 C CNN
 F 3 "~" H 2600 6200 50  0001 C CNN
 F 4 "CBR" H 2600 6200 50  0001 C CNN "MPN"
@@ -273,36 +299,23 @@ F 5 "0" H 2600 6200 50  0001 C CNN "Need_order"
 	-1   0    0    1   
 $EndComp
 $Comp
-L Device:C_Small C312
-U 1 1 5E34A061
-P 3400 6200
-F 0 "C312" H 3308 6154 50  0000 R CNN
-F 1 "39pF" H 3308 6245 50  0000 R CNN
-F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3400 6200 50  0001 C CNN
-F 3 "~" H 3400 6200 50  0001 C CNN
-F 4 "CBR" H 3400 6200 50  0001 C CNN "MPN"
-F 5 "0" H 3400 6200 50  0001 C CNN "Need_order"
-	1    3400 6200
-	-1   0    0    1   
-$EndComp
-$Comp
-L Device:C_Small C310
-U 1 1 5E34A630
-P 3000 6200
-F 0 "C310" H 2908 6154 50  0000 R CNN
-F 1 "47pF" H 2908 6245 50  0000 R CNN
-F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3000 6200 50  0001 C CNN
-F 3 "~" H 3000 6200 50  0001 C CNN
-F 4 "CBR" H 3000 6200 50  0001 C CNN "MPN"
-F 5 "0" H 3000 6200 50  0001 C CNN "Need_order"
-	1    3000 6200
-	-1   0    0    1   
-$EndComp
-$Comp
 L Device:Crystal_Small Y301
 U 1 1 5E34B1E0
+P 2000 5900
+F 0 "Y301" H 2000 6125 50  0000 C CNN
+F 1 "4.915MHz" H 2000 6034 50  0000 C CNN
+F 2 "Crystal:Crystal_SMD_HC49-SD" H 2000 5900 50  0001 C CNN
+F 3 "https://www.mouser.ch/datasheet/2/122/csm-12r-3004.pdf" H 2000 5900 50  0001 C CNN
+F 4 "ECS-49-20-5PX-TR" H 2000 5900 50  0001 C CNN "MPN"
+F 5 "1" H 2000 5900 50  0001 C CNN "Need_order"
+	1    2000 5900
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:Crystal_Small Y302
+U 1 1 5E34B5D1
 P 2400 5900
-F 0 "Y301" H 2400 6125 50  0000 C CNN
+F 0 "Y302" H 2400 6125 50  0000 C CNN
 F 1 "4.915MHz" H 2400 6034 50  0000 C CNN
 F 2 "Crystal:Crystal_SMD_HC49-SD" H 2400 5900 50  0001 C CNN
 F 3 "https://www.mouser.ch/datasheet/2/122/csm-12r-3004.pdf" H 2400 5900 50  0001 C CNN
@@ -312,10 +325,10 @@ F 5 "1" H 2400 5900 50  0001 C CNN "Need_order"
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:Crystal_Small Y302
-U 1 1 5E34B5D1
+L Device:Crystal_Small Y303
+U 1 1 5E34B7FC
 P 2800 5900
-F 0 "Y302" H 2800 6125 50  0000 C CNN
+F 0 "Y303" H 2800 6125 50  0000 C CNN
 F 1 "4.915MHz" H 2800 6034 50  0000 C CNN
 F 2 "Crystal:Crystal_SMD_HC49-SD" H 2800 5900 50  0001 C CNN
 F 3 "https://www.mouser.ch/datasheet/2/122/csm-12r-3004.pdf" H 2800 5900 50  0001 C CNN
@@ -325,10 +338,10 @@ F 5 "1" H 2800 5900 50  0001 C CNN "Need_order"
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:Crystal_Small Y303
-U 1 1 5E34B7FC
+L Device:Crystal_Small Y304
+U 1 1 5E34BBA5
 P 3200 5900
-F 0 "Y303" H 3200 6125 50  0000 C CNN
+F 0 "Y304" H 3200 6125 50  0000 C CNN
 F 1 "4.915MHz" H 3200 6034 50  0000 C CNN
 F 2 "Crystal:Crystal_SMD_HC49-SD" H 3200 5900 50  0001 C CNN
 F 3 "https://www.mouser.ch/datasheet/2/122/csm-12r-3004.pdf" H 3200 5900 50  0001 C CNN
@@ -337,50 +350,37 @@ F 5 "1" H 3200 5900 50  0001 C CNN "Need_order"
 	1    3200 5900
 	1    0    0    -1  
 $EndComp
-$Comp
-L Device:Crystal_Small Y304
-U 1 1 5E34BBA5
-P 3600 5900
-F 0 "Y304" H 3600 6125 50  0000 C CNN
-F 1 "4.915MHz" H 3600 6034 50  0000 C CNN
-F 2 "Crystal:Crystal_SMD_HC49-SD" H 3600 5900 50  0001 C CNN
-F 3 "https://www.mouser.ch/datasheet/2/122/csm-12r-3004.pdf" H 3600 5900 50  0001 C CNN
-F 4 "ECS-49-20-5PX-TR" H 3600 5900 50  0001 C CNN "MPN"
-F 5 "1" H 3600 5900 50  0001 C CNN "Need_order"
-	1    3600 5900
-	1    0    0    -1  
-$EndComp
 Wire Wire Line
-	2200 6100 2200 5900
+	1800 6100 1800 5900
 Wire Wire Line
-	2200 5900 2300 5900
+	1800 5900 1900 5900
+Wire Wire Line
+	2100 5900 2200 5900
 Wire Wire Line
 	2500 5900 2600 5900
 Wire Wire Line
-	2900 5900 3000 5900
+	3700 5900 3800 5900
 Wire Wire Line
-	3300 5900 3400 5900
+	2200 6100 2200 5900
+Connection ~ 2200 5900
+Wire Wire Line
+	2200 5900 2300 5900
 Wire Wire Line
 	2600 6100 2600 5900
 Connection ~ 2600 5900
 Wire Wire Line
 	2600 5900 2700 5900
 Wire Wire Line
-	3000 6100 3000 5900
-Connection ~ 3000 5900
-Wire Wire Line
-	3000 5900 3100 5900
-Wire Wire Line
-	3400 6100 3400 5900
-Connection ~ 3400 5900
+	3800 6100 3800 5900
+Connection ~ 3800 5900
 Wire Wire Line
-	3400 5900 3500 5900
+	3800 5900 3900 5900
 Wire Wire Line
-	3800 6100 3800 5900
+	4200 6100 4200 5900
 Wire Wire Line
-	3800 5900 3700 5900
-Connection ~ 2200 5900
-Connection ~ 3800 5900
+	4200 5900 4100 5900
+Connection ~ 1800 5900
+Connection ~ 4200 5900
 $Comp
 L Device:C_Small C318
 U 1 1 5E37BC9E
@@ -607,16 +607,13 @@ F 3 "" H 3000 6300 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
+	1800 6300 2200 6300
+Connection ~ 2200 6300
+Wire Wire Line
 	2200 6300 2600 6300
 Connection ~ 2600 6300
 Wire Wire Line
-	2600 6300 3000 6300
-Connection ~ 3000 6300
-Wire Wire Line
-	3000 6300 3400 6300
-Connection ~ 3400 6300
-Wire Wire Line
-	3400 6300 3800 6300
+	3800 6300 4200 6300
 $Comp
 L mpb:L_tapped L310
 U 1 1 5E3AC9C4
@@ -1691,17 +1688,13 @@ F 4 "0" H 2950 5000 50  0001 C CNN "Need_order"
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	2200 5450 2950 5450
-Wire Wire Line
 	2950 5450 2950 5300
 Wire Wire Line
-	2200 5450 2200 5900
+	1800 5450 1800 5900
 Wire Wire Line
 	3350 5300 3350 5450
 Wire Wire Line
-	3350 5450 3800 5450
-Wire Wire Line
-	3800 5450 3800 5900
+	4200 5450 4200 5900
 Wire Wire Line
 	3450 4600 3450 4700
 Wire Wire Line
@@ -3158,4 +3151,83 @@ Wire Wire Line
 Connection ~ 2850 3400
 Wire Wire Line
 	2850 3400 2850 3950
+Wire Wire Line
+	3350 5450 4200 5450
+Wire Wire Line
+	1800 5450 2950 5450
+$Comp
+L Device:Crystal_Small Y305
+U 1 1 5F098134
+P 3600 5900
+F 0 "Y305" H 3600 6125 50  0000 C CNN
+F 1 "4.915MHz" H 3600 6034 50  0000 C CNN
+F 2 "Crystal:Crystal_SMD_HC49-SD" H 3600 5900 50  0001 C CNN
+F 3 "https://www.mouser.ch/datasheet/2/122/csm-12r-3004.pdf" H 3600 5900 50  0001 C CNN
+F 4 "ECS-49-20-5PX-TR" H 3600 5900 50  0001 C CNN "MPN"
+F 5 "1" H 3600 5900 50  0001 C CNN "Need_order"
+	1    3600 5900
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:Crystal_Small Y306
+U 1 1 5F0985BB
+P 4000 5900
+F 0 "Y306" H 4000 6125 50  0000 C CNN
+F 1 "4.915MHz" H 4000 6034 50  0000 C CNN
+F 2 "Crystal:Crystal_SMD_HC49-SD" H 4000 5900 50  0001 C CNN
+F 3 "https://www.mouser.ch/datasheet/2/122/csm-12r-3004.pdf" H 4000 5900 50  0001 C CNN
+F 4 "ECS-49-20-5PX-TR" H 4000 5900 50  0001 C CNN "MPN"
+F 5 "1" H 4000 5900 50  0001 C CNN "Need_order"
+	1    4000 5900
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	2900 5900 3000 5900
+Wire Wire Line
+	3300 5900 3400 5900
+Wire Wire Line
+	2600 6300 3000 6300
+Connection ~ 3800 6300
+Connection ~ 3000 6300
+Wire Wire Line
+	3000 6300 3400 6300
+$Comp
+L Device:C_Small C364
+U 1 1 5F0E67AE
+P 3000 6200
+F 0 "C364" H 2908 6154 50  0000 R CNN
+F 1 "47pF" H 2908 6245 50  0000 R CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3000 6200 50  0001 C CNN
+F 3 "~" H 3000 6200 50  0001 C CNN
+F 4 "CBR" H 3000 6200 50  0001 C CNN "MPN"
+F 5 "0" H 3000 6200 50  0001 C CNN "Need_order"
+	1    3000 6200
+	-1   0    0    1   
+$EndComp
+$Comp
+L Device:C_Small C365
+U 1 1 5F0E6C4F
+P 3400 6200
+F 0 "C365" H 3308 6154 50  0000 R CNN
+F 1 "47pF" H 3308 6245 50  0000 R CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3400 6200 50  0001 C CNN
+F 3 "~" H 3400 6200 50  0001 C CNN
+F 4 "CBR" H 3400 6200 50  0001 C CNN "MPN"
+F 5 "0" H 3400 6200 50  0001 C CNN "Need_order"
+	1    3400 6200
+	-1   0    0    1   
+$EndComp
+Connection ~ 3400 6300
+Wire Wire Line
+	3400 6300 3800 6300
+Wire Wire Line
+	3400 6100 3400 5900
+Connection ~ 3400 5900
+Wire Wire Line
+	3400 5900 3500 5900
+Wire Wire Line
+	3000 6100 3000 5900
+Connection ~ 3000 5900
+Wire Wire Line
+	3000 5900 3100 5900
 $EndSCHEMATC