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authorMatthias P. Braendli <matthias.braendli@mpb.li>2020-03-29 15:19:10 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2020-03-29 15:19:10 +0200
commit7622b1720ccef574120ff95f2bb8b147657f1bb4 (patch)
treed03b76999ebaec2e6d295139235a9de43bd531db
parentf0cd86a4e46a99062d156f9fa7a79a1b7a57f1f2 (diff)
downloadpicardy-7622b1720ccef574120ff95f2bb8b147657f1bb4.tar.gz
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Add plan B for CW
-rw-r--r--README.md4
-rw-r--r--kicad/baseband.sch40
2 files changed, 31 insertions, 13 deletions
diff --git a/README.md b/README.md
index c98fa56..b964aa7 100644
--- a/README.md
+++ b/README.md
@@ -22,11 +22,9 @@ TODO before ordering the PCB
* Verify microphone pinout for MH-42
* Is audio level at SSM2167 output sufficient for the SA602A ?
-* Audio out
- * Change RV303 footprint, as it needs to be on the front panel
-
* CW
* Does the trick with the DC bias to leak the LO work ?
+ * Not tested, but plan B done (J306)
* Consider reordering UI pins, if it simplifies routing
* Mockup location of potentiometers, encoder, display and buttons
diff --git a/kicad/baseband.sch b/kicad/baseband.sch
index 3ac4720..d1846fa 100644
--- a/kicad/baseband.sch
+++ b/kicad/baseband.sch
@@ -908,14 +908,14 @@ $EndComp
$Comp
L Device:C_Small C337
U 1 1 5E49C26E
-P 8150 2850
-F 0 "C337" H 8059 2804 50 0000 R CNN
-F 1 "1uF" H 8059 2895 50 0000 R CNN
-F 2 "Capacitor_SMD:C_0805_2012Metric" H 8150 2850 50 0001 C CNN
-F 3 "~" H 8150 2850 50 0001 C CNN
-F 4 "08055C105JAT2A" H 8150 2850 50 0001 C CNN "MPN"
-F 5 "0" H 8150 2850 50 0001 C CNN "Need_order"
- 1 8150 2850
+P 8150 2700
+F 0 "C337" H 8059 2654 50 0000 R CNN
+F 1 "1uF" H 8059 2745 50 0000 R CNN
+F 2 "Capacitor_SMD:C_0805_2012Metric" H 8150 2700 50 0001 C CNN
+F 3 "~" H 8150 2700 50 0001 C CNN
+F 4 "08055C105JAT2A" H 8150 2700 50 0001 C CNN "MPN"
+F 5 "0" H 8150 2700 50 0001 C CNN "Need_order"
+ 1 8150 2700
1 0 0 1
$EndComp
Wire Wire Line
@@ -2916,12 +2916,12 @@ Connection ~ 9100 2850
Wire Wire Line
8100 2000 8150 2000
Wire Wire Line
- 8150 2000 8150 2750
+ 8150 2000 8150 2600
Wire Wire Line
7700 3450 8250 3450
Connection ~ 7700 3450
Wire Wire Line
- 8150 2950 8150 3050
+ 8150 2800 8150 3050
Wire Wire Line
8150 3050 7700 3050
$Comp
@@ -3089,4 +3089,24 @@ F 3 "" H 8250 4350 50 0001 C CNN
$EndComp
Wire Wire Line
4050 1950 4050 4300
+Text Label 7700 3050 0 50 ~ 0
+MIC_OUT
+Text HLabel 8300 800 0 50 Input ~ 0
+CW_TONE
+Text Label 8300 900 2 50 ~ 0
+MIC_OUT
+Text Notes 7950 700 0 39 ~ 0
+In case the balance upsetting\nLO leakage trick doesn't work
+$Comp
+L Connector_Generic:Conn_01x02 J?
+U 1 1 5E89C9A4
+P 8500 800
+F 0 "J?" H 8580 792 50 0000 L CNN
+F 1 "CW_TONE" H 8580 701 50 0000 L CNN
+F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 8500 800 50 0001 C CNN
+F 3 "~" H 8500 800 50 0001 C CNN
+F 4 "0" H 8500 800 50 0001 C CNN "Need_order"
+ 1 8500 800
+ 1 0 0 -1
+$EndComp
$EndSCHEMATC