DART-70: get VOX and CW workingHEADmaster

8 files changed, 30 insertions, 25 deletions

diff --git a/kicad-dart-70/ant_switch.kicad_sch b/kicad-dart-70/ant_switch.kicad_sch
index 829640c..7ff04b0 100644
--- a/kicad-dart-70/ant_switch.kicad_sch
+++ b/kicad-dart-70/ant_switch.kicad_sch
@@ -6,7 +6,7 @@
 
   (title_block
     (title "DART-70 TRX")
-    (date "2023-09-19")
+    (date "2024-01-31")
     (rev "1")
     (company "HB9EGM")
     (comment 1 "A 4m Band SSB/CW Transceiver")
diff --git a/kicad-dart-70/baseband.kicad_sch b/kicad-dart-70/baseband.kicad_sch
index 2f79cb5..6c39b4f 100644
--- a/kicad-dart-70/baseband.kicad_sch
+++ b/kicad-dart-70/baseband.kicad_sch
@@ -6,7 +6,7 @@
 
   (title_block
     (title "DART-70 TRX")
-    (date "2024-01-12")
+    (date "2024-01-31")
     (rev "1")
     (company "HB9EGM")
     (comment 1 "A 4m Band SSB/CW Transceiver")
@@ -5688,8 +5688,8 @@
     (effects (font (size 1.27 1.27)) (justify left bottom))
     (uuid 29dcba45-439b-4f41-aabb-51de21635866)
   )
-  (text "In case the balance upsetting\nLO leakage trick doesn't work"
-    (at 71.12 72.39 0)
+  (text "The balance upsetting LO\nleakage trick doesn't work,\nBut injecting the sidetone into\nthe SSB chains sounds good, even\nthough there's a bit of 2nd\nharmonic getting through"
+    (at 69.85 80.01 0)
     (effects (font (size 0.9906 0.9906)) (justify left bottom))
     (uuid 2d4ba971-ddd9-4f08-ae0a-4bc49faa5143)
   )
@@ -5750,8 +5750,8 @@
     (effects (font (size 1.27 1.27)) (justify left bottom))
     (uuid 9ed6d028-5d5c-4447-abad-f10882f4294a)
   )
-  (text "Handle CW like the uBitx, in the 2nd mixer:\n The BFO as disabled\n LO1 is moved to the actual transmit frequency\n A DC bias is fed to the TXMIXOUT to upset the balance and allow LO1 to leak to the RF power chain.\n The CW sidetone is generated from the microcontroller and injected into the audio amplifier\n (On Picardy 2020, CW sidetone injection didn't work, used separate buzzer on STATUS LED instead)\n See CWINJECT header"
-    (at 184.15 280.67 0)
+  (text "First idea: Handle CW like the uBitx, in the 2nd mixer:\n The BFO as disabled\n LO1 is moved to the actual transmit frequency\n A DC bias is fed to the TXMIXOUT to upset the balance and allow LO1 to leak to the RF power chain.\n The CW sidetone is generated from the microcontroller and injected into the audio amplifier\n (On Picardy 2020, CW sidetone injection didn't work, but mixer biasing to leak the LO through worked.\n Also, used separate buzzer on STATUS LED instead)\n See CWINJECT header\n20240131: But the second mixer always leaked the LO through.\nSidetone sounded good, and is injected into SSB chain."
+    (at 231.14 31.75 0)
     (effects (font (size 1.1938 1.1938)) (justify left bottom))
     (uuid 9fbabfd5-5316-4dcb-8d99-3c53b9c69880)
   )
@@ -7552,7 +7552,7 @@
     (property "Reference" "C28" (at 36.2839 229.87 90)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Value" "DNF (1uF)" (at 36.2839 232.41 90)
+    (property "Value" "100nF" (at 36.2839 232.41 90)
       (effects (font (size 1.27 1.27)))
     )
     (property "Footprint" "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" (at 36.83 236.22 0)
@@ -7561,7 +7561,7 @@
     (property "Datasheet" "~" (at 36.83 236.22 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "MPN" "08055C105JAT2A" (at 36.83 236.22 0)
+    (property "MPN" "" (at 36.83 236.22 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (property "Need_order" "0" (at 36.83 236.22 0)
@@ -8719,7 +8719,7 @@
     (property "Reference" "C31" (at 45.72 230.5938 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "1uF" (at 45.72 233.1338 0)
+    (property "Value" "100nF" (at 45.72 233.1338 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
     (property "Footprint" "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" (at 43.18 232.41 0)
@@ -8728,7 +8728,7 @@
     (property "Datasheet" "~" (at 43.18 232.41 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "MPN" "08055C105JAT2A" (at 43.18 232.41 0)
+    (property "MPN" "" (at 43.18 232.41 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (property "Need_order" "0" (at 43.18 232.41 0)
@@ -10016,10 +10016,10 @@
   (symbol (lib_id "Device:R") (at 85.09 62.23 0) (mirror y) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 4854b1b1-f081-47ca-839e-49fd573ed63f)
-    (property "Reference" "R36" (at 87.63 60.9599 0)
+    (property "Reference" "R36" (at 87.63 60.96 0)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Value" "DNF" (at 87.63 63.4999 0)
+    (property "Value" "3.3k" (at 87.63 63.5 0)
       (effects (font (size 1.27 1.27)) (justify right))
     )
     (property "Footprint" "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (at 86.868 62.23 90)
diff --git a/kicad-dart-70/control.kicad_sch b/kicad-dart-70/control.kicad_sch
index d88dfe0..c57aeb4 100644
--- a/kicad-dart-70/control.kicad_sch
+++ b/kicad-dart-70/control.kicad_sch
@@ -6,7 +6,7 @@
 
   (title_block
     (title "DART-70 TRX")
-    (date "2023-09-19")
+    (date "2024-01-31")
     (rev "1")
     (company "HB9EGM")
     (comment 1 "A 4m Band SSB/CW Transceiver")
@@ -5586,7 +5586,7 @@
   )
 
   (symbol (lib_id "Device:C_Small") (at 81.28 80.01 0) (mirror y) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp yes) (fields_autoplaced)
     (uuid c6708737-1979-4061-9eb1-fed1a80ccf62)
     (property "Reference" "C173" (at 78.74 78.7462 0)
       (effects (font (size 1.27 1.27)) (justify left))
diff --git a/kicad-dart-70/frontend_70.kicad_sch b/kicad-dart-70/frontend_70.kicad_sch
index 58777da..6afc3f7 100644
--- a/kicad-dart-70/frontend_70.kicad_sch
+++ b/kicad-dart-70/frontend_70.kicad_sch
@@ -6,7 +6,7 @@
 
   (title_block
     (title "DART-70 TRX")
-    (date "2023-09-19")
+    (date "2024-01-31")
     (rev "1")
     (company "HB9EGM")
     (comment 1 "A 4m Band SSB/CW Transceiver")
diff --git a/kicad-dart-70/kicad-dart-70.kicad_prl b/kicad-dart-70/kicad-dart-70.kicad_prl
index 8892093..89296b9 100644
--- a/kicad-dart-70/kicad-dart-70.kicad_prl
+++ b/kicad-dart-70/kicad-dart-70.kicad_prl
@@ -66,7 +66,7 @@
       35,
       36
     ],
-    "visible_layers": "0009020_7fffffff",
+    "visible_layers": "0001030_ffffffff",
     "zone_display_mode": 1
   },
   "meta": {
diff --git a/kicad-dart-70/kicad-dart-70.kicad_sch b/kicad-dart-70/kicad-dart-70.kicad_sch
index 6e768cc..05a6e6f 100644
--- a/kicad-dart-70/kicad-dart-70.kicad_sch
+++ b/kicad-dart-70/kicad-dart-70.kicad_sch
@@ -6,7 +6,7 @@
 
   (title_block
     (title "DART-70 TRX")
-    (date "2023-09-19")
+    (date "2024-01-31")
     (rev "1")
     (company "HB9EGM")
     (comment 1 "A 4m Band SSB/CW Transceiver")
@@ -3296,6 +3296,11 @@
     (uuid ffbbcbe6-15b0-480e-b792-9f7693fff52a)
   )
 
+  (text "20240131\nUSB Audio design\nmistakes:\nPassing TX audio\nthrough\nthe SSM2167 is a\nbad idea, because\nit's quite nonlinear"
+    (at 35.56 195.58 0)
+    (effects (font (size 1 1)) (justify left bottom))
+    (uuid 0fac3747-3d1d-4431-afe1-57473bd04e32)
+  )
   (text "+5V for SPKR and LCD" (at 139.7 15.24 0)
     (effects (font (size 1.27 1.27)) (justify left bottom))
     (uuid 239d5a08-bfc0-4925-8e7a-6431dab8181d)
@@ -4945,7 +4950,7 @@
     (property "Reference" "R1" (at 29.21 120.65 90)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Value" "DNF" (at 31.75 120.65 90)
+    (property "Value" "100" (at 31.75 120.65 90)
       (effects (font (size 1.27 1.27)) (justify right))
     )
     (property "Footprint" "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (at 33.528 119.38 90)
@@ -5584,7 +5589,7 @@
     (property "Datasheet" "/home/bram/Sync/Doc/Datasheet/1N4148W-7-F.pdf" (at 96.52 175.26 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "MPN" "1N4148W-7-F" (at 96.52 175.26 0)
+    (property "MPN" "EP05Q03L (or 1N4148W-7-F)" (at 96.52 175.26 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (property "Need_order" "0" (at 96.52 175.26 0)
@@ -6129,7 +6134,7 @@
     (property "Reference" "R2" (at 36.83 124.46 90)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Value" "1k" (at 35.56 120.65 90)
+    (property "Value" "82k" (at 35.56 120.65 90)
       (effects (font (size 1.27 1.27)) (justify right))
     )
     (property "Footprint" "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (at 37.338 119.38 90)
@@ -6398,7 +6403,7 @@
     (property "Datasheet" "/home/bram/Sync/Doc/Datasheet/1N4148W-7-F.pdf" (at 91.44 182.88 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "MPN" "1N4148W-7-F" (at 91.44 182.88 0)
+    (property "MPN" "EP05Q03L (or 1N4148W-7-F)" (at 91.44 182.88 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (property "Need_order" "0" (at 91.44 182.88 0)
@@ -7533,12 +7538,12 @@
   )
 
   (symbol (lib_id "Device:R") (at 40.64 119.38 180) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no)
+    (in_bom yes) (on_board yes) (dnp yes)
     (uuid f5aa8e9d-d253-41b8-a0a3-15aed0b906bb)
     (property "Reference" "R4" (at 39.37 116.84 90)
       (effects (font (size 1.27 1.27)) (justify right))
     )
-    (property "Value" "DNF" (at 40.64 120.65 90)
+    (property "Value" "" (at 40.64 120.65 90)
       (effects (font (size 1.27 1.27)) (justify right))
     )
     (property "Footprint" "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (at 42.418 119.38 90)
diff --git a/kicad-dart-70/pa_70.kicad_sch b/kicad-dart-70/pa_70.kicad_sch
index 05b2834..b5de0d7 100644
--- a/kicad-dart-70/pa_70.kicad_sch
+++ b/kicad-dart-70/pa_70.kicad_sch
@@ -6,7 +6,7 @@
 
   (title_block
     (title "DART-70 TRX")
-    (date "2023-09-19")
+    (date "2024-01-31")
     (rev "1")
     (company "HB9EGM")
     (comment 1 "A 4m Band SSB/CW Transceiver")
diff --git a/kicad-dart-70/usbaudio.kicad_sch b/kicad-dart-70/usbaudio.kicad_sch
index 8b89023..71d35af 100644
--- a/kicad-dart-70/usbaudio.kicad_sch
+++ b/kicad-dart-70/usbaudio.kicad_sch
@@ -6,7 +6,7 @@
 
   (title_block
     (title "DART-70 TRX")
-    (date "2023-09-19")
+    (date "2024-01-31")
     (rev "1")
     (company "HB9EGM")
     (comment 1 "A 4m Band SSB/CW Transceiver")