First draft of QSO Today Expo presentation.

KiCAD/Drawings For Standard Doc/15dB Pad.kicad_sch

@@ -0,0 +1,327 @@
+(kicad_sch (version 20211123) (generator eeschema)
+
+  (uuid c7144228-6206-444d-8abf-23df92731281)
+
+  (paper "A4")
+
+  (lib_symbols
+    (symbol "Device:C_Small" (pin_numbers hide) (pin_names (offset 0.254) hide) (in_bom yes) (on_board yes)
+      (property "Reference" "C" (id 0) (at 0.254 1.778 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (property "Value" "C_Small" (id 1) (at 0.254 -2.032 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (property "Footprint" "" (id 2) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "~" (id 3) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "capacitor cap" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Unpolarized capacitor, small symbol" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "C_*" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "C_Small_0_1"
+        (polyline
+          (pts
+            (xy -1.524 -0.508)
+            (xy 1.524 -0.508)
+          )
+          (stroke (width 0.3302) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy -1.524 0.508)
+            (xy 1.524 0.508)
+          )
+          (stroke (width 0.3048) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+      )
+      (symbol "C_Small_1_1"
+        (pin passive line (at 0 2.54 270) (length 2.032)
+          (name "~" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 0 -2.54 90) (length 2.032)
+          (name "~" (effects (font (size 1.27 1.27))))
+          (number "2" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
+    (symbol "Device:R_Small" (pin_numbers hide) (pin_names (offset 0.254) hide) (in_bom yes) (on_board yes)
+      (property "Reference" "R" (id 0) (at 0.762 0.508 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (property "Value" "R_Small" (id 1) (at 0.762 -1.016 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (property "Footprint" "" (id 2) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "~" (id 3) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "R resistor" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Resistor, small symbol" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "R_*" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "R_Small_0_1"
+        (rectangle (start -0.762 1.778) (end 0.762 -1.778)
+          (stroke (width 0.2032) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+      )
+      (symbol "R_Small_1_1"
+        (pin passive line (at 0 2.54 270) (length 0.762)
+          (name "~" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 0 -2.54 90) (length 0.762)
+          (name "~" (effects (font (size 1.27 1.27))))
+          (number "2" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
+    (symbol "power:+5V" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
+      (property "Reference" "#PWR" (id 0) (at 0 -3.81 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Value" "+5V" (id 1) (at 0 3.556 0)
+        (effects (font (size 1.27 1.27)))
+      )
+      (property "Footprint" "" (id 2) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "" (id 3) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "power-flag" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "Power symbol creates a global label with name \"+5V\"" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "+5V_0_1"
+        (polyline
+          (pts
+            (xy -0.762 1.27)
+            (xy 0 2.54)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 0 0)
+            (xy 0 2.54)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 0 2.54)
+            (xy 0.762 1.27)
+          )
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+      )
+      (symbol "+5V_1_1"
+        (pin power_in line (at 0 0 90) (length 0) hide
+          (name "+5V" (effects (font (size 1.27 1.27))))
+          (number "1" (effects (font (size 1.27 1.27))))
+        )
+      )
+    )
+  )
+
+  (junction (at 127 77.47) (diameter 0) (color 0 0 0 0)
+    (uuid 03a6fbd6-3101-46bb-9182-42ea7cdd2927)
+  )
+  (junction (at 107.95 57.15) (diameter 0) (color 0 0 0 0)
+    (uuid 86fa9426-ea08-4bb9-af7d-496cf02f5014)
+  )
+  (junction (at 127 66.675) (diameter 0) (color 0 0 0 0)
+    (uuid f32bf03c-a476-44ba-a077-996111adcaac)
+  )
+
+  (wire (pts (xy 99.695 77.47) (xy 127 77.47))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 07449638-5116-4022-929a-ce5b56603f55)
+  )
+  (wire (pts (xy 127 77.47) (xy 139.7 77.47))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 0dfa0ce7-80ea-4819-a6b6-bcf8a0b11c44)
+  )
+  (wire (pts (xy 127 74.93) (xy 127 77.47))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 44a245d6-acd7-4294-8d11-51af53ccfc71)
+  )
+  (wire (pts (xy 100.33 57.15) (xy 107.95 57.15))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 4e83f541-acd9-44f6-81f8-eb9192276d88)
+  )
+  (wire (pts (xy 107.95 57.15) (xy 115.57 57.15))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 752d6a8f-8e14-48b2-b5d4-34382722ce2d)
+  )
+  (wire (pts (xy 107.95 53.34) (xy 107.95 57.15))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 818b7155-cd3c-4ba7-95b5-3a68a4973663)
+  )
+  (wire (pts (xy 120.65 57.15) (xy 127 57.15))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid 8ff449d8-4eb6-461e-a07e-4d7a8c2865c5)
+  )
+  (wire (pts (xy 107.95 45.72) (xy 107.95 48.26))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid aa346b65-0778-42b6-adb9-1609fdbbd2f9)
+  )
+  (wire (pts (xy 127 57.15) (xy 127 58.42))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid cc56f17b-0a77-4268-8a7c-a7d7692d10fe)
+  )
+  (wire (pts (xy 127 66.675) (xy 139.7 66.675))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid d19428cc-071e-40ec-9133-cccc859ad4e0)
+  )
+  (wire (pts (xy 127 66.675) (xy 127 69.85))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid d8304dc9-e212-4c85-9b13-068323714d4b)
+  )
+  (wire (pts (xy 127 63.5) (xy 127 66.675))
+    (stroke (width 0) (type default) (color 0 0 0 0))
+    (uuid ed6378d0-3893-48d6-9ec5-0aea13ee2ca7)
+  )
+
+  (global_label "Radio Expecting Dynamic Mic" (shape input) (at 139.7 66.675 0) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left))
+    (uuid 4021d72f-d733-451d-9be5-913449131c78)
+    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 170.5369 66.5956 0)
+      (effects (font (size 1.27 1.27)) (justify left) hide)
+    )
+  )
+  (global_label "Mic Ground" (shape input) (at 99.695 77.47 180) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify right))
+    (uuid 46e376a6-8389-487f-b924-22203087d7a8)
+    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 86.5171 77.3906 0)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+  )
+  (global_label "Electret Mic" (shape input) (at 100.33 57.15 180) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify right))
+    (uuid 880d9c5f-a7b1-4e76-b331-79835459a071)
+    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 86.4869 57.0706 0)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+  )
+  (global_label "Mic Ground" (shape input) (at 139.7 77.47 0) (fields_autoplaced)
+    (effects (font (size 1.27 1.27)) (justify left))
+    (uuid afda7b8b-a9d6-4c2e-a025-f9be216d2945)
+    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 152.8779 77.3906 0)
+      (effects (font (size 1.27 1.27)) (justify left) hide)
+    )
+  )
+
+  (symbol (lib_id "Device:R_Small") (at 107.95 50.8 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 0013e5d4-135e-4c61-a5df-1fd2721df2c6)
+    (property "Reference" "R?" (id 0) (at 110.49 49.5299 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "2.2k" (id 1) (at 110.49 52.0699 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (id 2) (at 107.95 50.8 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 107.95 50.8 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 21ec5a53-a842-4570-8c4f-62a9492e4c11))
+    (pin "2" (uuid 6defefab-2339-41f1-9412-738427a158b1))
+  )
+
+  (symbol (lib_id "Device:R_Small") (at 127 72.39 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 0857fd1d-0abe-4bf2-a523-7d6e6c34fafe)
+    (property "Reference" "R?" (id 0) (at 129.54 71.1199 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "100" (id 1) (at 129.54 73.6599 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (id 2) (at 127 72.39 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 127 72.39 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid d844dc0d-7e7e-43a9-814f-3fa09d062c5c))
+    (pin "2" (uuid b2635b27-368b-460d-baf8-72a89b29e33c))
+  )
+
+  (symbol (lib_id "Device:R_Small") (at 127 60.96 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 466e6237-2a48-4347-bfb6-e604f797e4c0)
+    (property "Reference" "R?" (id 0) (at 129.54 59.6899 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Value" "1.5k" (id 1) (at 129.54 62.2299 0)
+      (effects (font (size 1.27 1.27)) (justify left))
+    )
+    (property "Footprint" "" (id 2) (at 127 60.96 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 127 60.96 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid f02733bf-5c9e-4fab-b874-d4e4051f9973))
+    (pin "2" (uuid 817e4daf-3402-4479-be0f-fc552bb38907))
+  )
+
+  (symbol (lib_id "Device:C_Small") (at 118.11 57.15 90) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 996a8da4-b4ce-4604-ae41-6002928d0504)
+    (property "Reference" "C?" (id 0) (at 118.1163 50.8 90))
+    (property "Value" "1uF" (id 1) (at 118.1163 53.34 90))
+    (property "Footprint" "" (id 2) (at 118.11 57.15 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (id 3) (at 118.11 57.15 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid d774db52-cf5b-4dc5-a75d-419813827398))
+    (pin "2" (uuid 5c36c0c9-d134-4074-a552-666667b33228))
+  )
+
+  (symbol (lib_id "power:+5V") (at 107.95 45.72 0) (unit 1)
+    (in_bom yes) (on_board yes) (fields_autoplaced)
+    (uuid 99f00e9f-dd0f-45db-b64c-f25c3dc4fd9e)
+    (property "Reference" "#PWR?" (id 0) (at 107.95 49.53 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "+5V" (id 1) (at 107.95 40.64 0))
+    (property "Footprint" "" (id 2) (at 107.95 45.72 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (id 3) (at 107.95 45.72 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 7e607819-68a1-4833-a8e1-0255700bbc39))
+  )
+)

KiCAD/Drawings For Standard Doc/Drawings For Standard Doc.kicad_pro

@@ -336,6 +336,10 @@
     [
       "ca44b5d4-9a6d-4dee-93ca-025d4c948068",
       "Mic Preamp"
+    ],
+    [
+      "590b8635-2deb-410e-a711-8e6a6ccf9070",
+      "15dB Pad"
     ]
   ],
   "text_variables": {}

KiCAD/Drawings For Standard Doc/Drawings For Standard Doc.kicad_sch

@@ -20,6 +20,18 @@
     )
   )
 
+  (sheet (at 90.17 118.11) (size 12.7 3.81) (fields_autoplaced)
+    (stroke (width 0.1524) (type solid) (color 0 0 0 0))
+    (fill (color 0 0 0 0.0000))
+    (uuid 590b8635-2deb-410e-a711-8e6a6ccf9070)
+    (property "Sheet name" "15dB Pad" (id 0) (at 90.17 117.3984 0)
+      (effects (font (size 1.27 1.27)) (justify left bottom))
+    )
+    (property "Sheet file" "15dB Pad.kicad_sch" (id 1) (at 90.17 122.5046 0)
+      (effects (font (size 1.27 1.27)) (justify left top))
+    )
+  )
+
   (sheet (at 82.55 147.32) (size 12.7 3.81) (fields_autoplaced)
     (stroke (width 0.1524) (type solid) (color 0 0 0 0))
     (fill (color 0 0 0 0.0000))
@@ -62,9 +74,13 @@
     (path "/37aa262a-aeff-44bf-a2ca-eead12de1830" (page "3"))
     (path "/71cdc780-190f-4121-90aa-59d0facb45e7" (page "4"))
     (path "/ca44b5d4-9a6d-4dee-93ca-025d4c948068" (page "5"))
+    (path "/590b8635-2deb-410e-a711-8e6a6ccf9070" (page "6"))
   )
 
   (symbol_instances
+    (path "/590b8635-2deb-410e-a711-8e6a6ccf9070/99f00e9f-dd0f-45db-b64c-f25c3dc4fd9e"
+      (reference "#PWR?") (unit 1) (value "+5V") (footprint "")
+    )
     (path "/ca44b5d4-9a6d-4dee-93ca-025d4c948068/b38be19c-4a55-4485-a72a-966d70e9e8b9"
       (reference "#PWR?") (unit 1) (value "+5V") (footprint "")
     )
@@ -80,6 +96,9 @@
     (path "/ca44b5d4-9a6d-4dee-93ca-025d4c948068/763466a8-7a39-4d18-8dc4-edf1e9800158"
       (reference "C?") (unit 1) (value "1uF") (footprint "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder")
     )
+    (path "/590b8635-2deb-410e-a711-8e6a6ccf9070/996a8da4-b4ce-4604-ae41-6002928d0504"
+      (reference "C?") (unit 1) (value "1uF") (footprint "")
+    )
     (path "/71cdc780-190f-4121-90aa-59d0facb45e7/293e1602-9b03-42d6-9153-8377027028aa"
       (reference "J?") (unit 1) (value "Headphones") (footprint "")
     )
@@ -146,9 +165,18 @@
     (path "/ca44b5d4-9a6d-4dee-93ca-025d4c948068/0385a075-452b-4a8f-b9e7-d37180115693"
       (reference "R3") (unit 1) (value "470") (footprint "")
     )
+    (path "/590b8635-2deb-410e-a711-8e6a6ccf9070/0013e5d4-135e-4c61-a5df-1fd2721df2c6"
+      (reference "R?") (unit 1) (value "2.2k") (footprint "")
+    )
+    (path "/590b8635-2deb-410e-a711-8e6a6ccf9070/0857fd1d-0abe-4bf2-a523-7d6e6c34fafe"
+      (reference "R?") (unit 1) (value "100") (footprint "")
+    )
     (path "/ca44b5d4-9a6d-4dee-93ca-025d4c948068/1f9535e3-49ca-43d0-8b41-e73852bb1280"
       (reference "R?") (unit 1) (value "75k") (footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder")
     )
+    (path "/590b8635-2deb-410e-a711-8e6a6ccf9070/466e6237-2a48-4347-bfb6-e604f797e4c0"
+      (reference "R?") (unit 1) (value "1.5k") (footprint "")
+    )
     (path "/ca44b5d4-9a6d-4dee-93ca-025d4c948068/91b59feb-7114-4152-b2aa-12628cebf4c8"
       (reference "R?") (unit 1) (value "2.2k") (footprint "")
     )