relayout 1

TODO

@@ -2,15 +2,16 @@
 
 [x] Make pads for the potentiometer larger
 [x] Make pads for the transformer larger and longer
-[ ] Add some thermal reliefs
+[x] Add some thermal reliefs
-[ ] Make better use of the vertical space
+[x] Make better use of the vertical space
 
 # Schematic
 
 [ ] Use less varied components
-[ ] Find new mosfet, not sot-23
+[x] Find new mosfet, not sot-23
+[x] Add test pads
+[ ] Adjust snubber for higher mosfet rds_on
 
 # Debug
 
 [ ] Try to use the larger mosfets with jumpers and see
-  

components.txt

@@ -0,0 +1 @@
+https://www.lcsc.com/product-detail/MOSFETs_Wuxi-NCE-Power-Semiconductor-NCE0103M_C161844.html

geiger_counter.kicad_prl

@@ -1,6 +1,6 @@
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@@ -38,7 +38,6 @@
       9,
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geiger_counter.kicad_pro

@@ -34,9 +34,9 @@
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         "other_text_upright": false,
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+          "width": 2.5
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geiger_counter.kicad_sch

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     (uuid bec3bf59-9ee3-4f20-95c8-ffcafacc41c5)
   )
@@ -2711,7 +2792,7 @@
     (stroke (width 0) (type default))
     (uuid c9f55ee0-6f5b-4784-a934-24bfad2f3cbd)
   )
-  (wire (pts (xy 166.37 172.72) (xy 171.45 172.72))
+  (wire (pts (xy 166.37 172.72) (xy 170.18 172.72))
     (stroke (width 0) (type default))
     (uuid cb946610-e2c9-4585-bd02-7c80e551eecb)
   )
@@ -2787,6 +2868,10 @@
     (stroke (width 0) (type default))
     (uuid dd8c769b-0fb5-4357-b979-f8a67bb22e79)
   )
+  (wire (pts (xy 134.62 190.5) (xy 134.62 193.04))
+    (stroke (width 0) (type default))
+    (uuid ded3a52e-422a-4a42-8b0e-da122f93bb10)
+  )
   (wire (pts (xy 110.49 180.34) (xy 110.49 185.42))
     (stroke (width 0) (type default))
     (uuid ded52043-6a4e-4fdb-bdb7-33e705c70012)
@@ -2866,6 +2951,10 @@
     (stroke (width 0) (type default))
     (uuid eccf0211-32b7-42b2-b581-3c9cbc0551e1)
   )
+  (wire (pts (xy 203.2 123.19) (xy 203.2 124.46))
+    (stroke (width 0) (type default))
+    (uuid ecd2a4f3-c06d-4033-a5b3-3edcd3db8074)
+  )
   (wire (pts (xy 281.94 91.44) (xy 312.42 91.44))
     (stroke (width 0) (type default))
     (uuid ed1d7200-afea-4a5e-94b3-5ed5361dd053)
@@ -2903,7 +2992,7 @@
     (stroke (width 0) (type default))
     (uuid f6aeb7be-b72e-43d0-be4d-bb71de3db549)
   )
-  (wire (pts (xy 153.67 195.58) (xy 170.18 195.58))
+  (wire (pts (xy 153.67 195.58) (xy 158.75 195.58))
     (stroke (width 0) (type default))
     (uuid f779f2a2-33c1-4250-aa5c-9ee4acfca1a0)
   )
@@ -3049,7 +3138,7 @@
     (effects (font (size 1.27 1.27)) (justify right bottom))
     (uuid 8c7f7051-f3ea-47b5-872c-8125f54c3106)
   )
-  (label "VFEED" (at 199.39 124.46 0) (fields_autoplaced)
+  (label "VFEED" (at 210.82 124.46 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left bottom))
     (uuid 991fbf5a-2d66-40a4-8f8c-b3cddffe71cf)
   )
@@ -3069,10 +3158,6 @@
     (effects (font (size 1.27 1.27)) (justify right bottom))
     (uuid ae01d273-d531-4b34-83ac-63d7f04b5804)
   )
-  (label "EN_LINE" (at 262.89 142.24 0) (fields_autoplaced)
-    (effects (font (size 1.27 1.27)) (justify left bottom))
-    (uuid ba78fe91-06d2-4fcc-bc11-30668492ed8a)
-  )
   (label "EN_LINE" (at 181.61 83.82 0) (fields_autoplaced)
     (effects (font (size 1.27 1.27)) (justify left bottom))
     (uuid be45f289-d149-4b16-b932-dc2e85e64f69)
@@ -3403,22 +3488,22 @@
     )
   )
 
-  (symbol (lib_id "74xx:74HC02") (at 149.86 83.82 0) (unit 2)
+  (symbol (lib_id "74xx:74HC02") (at 168.91 83.82 0) (unit 2)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 13b19a54-e1ee-4216-9ea1-21f6b0e06e49)
-    (property "Reference" "U3" (at 149.86 76.2 0)
+    (property "Reference" "U3" (at 168.91 76.2 0)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Value" "74HC02" (at 149.86 78.74 0)
+    (property "Value" "74HC02" (at 168.91 78.74 0)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Footprint" "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" (at 149.86 83.82 0)
+    (property "Footprint" "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" (at 168.91 83.82 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74hc02" (at 149.86 83.82 0)
+    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74hc02" (at 168.91 83.82 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "LCSC" "C5179751" (at 149.86 83.82 0)
+    (property "LCSC" "C5179751" (at 168.91 83.82 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 753274e7-da6f-4ae8-960b-611e7549b4ae))
@@ -3511,7 +3596,7 @@
     (property "Value" "COS721TR" (at 118.11 189.23 0)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-5" (at 110.49 198.12 0)
+    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-5_HandSoldering" (at 110.49 198.12 0)
       (effects (font (size 1.27 1.27)) (justify left) hide)
     )
     (property "Datasheet" "https://datasheet.lcsc.com/lcsc/2006301840_COSINE-COS721TR_C693056.pdf" (at 113.03 187.96 0)
@@ -3563,6 +3648,31 @@
     )
   )
 
+  (symbol (lib_id "Connector:TestPoint") (at 121.92 119.38 90) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid 1f0a29f7-ed04-4d1c-a17f-dfdde05318ce)
+    (property "Reference" "TP4" (at 119.38 118.11 90)
+      (effects (font (size 1.27 1.27)) (justify right))
+    )
+    (property "Value" "TestPoint" (at 117.348 121.92 0)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+    (property "Footprint" "TestPoint:TestPoint_Pad_D1.5mm" (at 121.92 114.3 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 121.92 114.3 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid dc4accd4-fb84-49c8-a2e3-e66295c29b5f))
+    (instances
+      (project "geiger_counter"
+        (path "/cbce1c9b-145a-4699-84cc-032e6740ebf0"
+          (reference "TP4") (unit 1)
+        )
+      )
+    )
+  )
+
   (symbol (lib_id "Device:R_Small") (at 262.89 148.59 0) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 24524947-1fae-413f-893b-99dd760314fa)
@@ -3592,6 +3702,56 @@
     )
   )
 
+  (symbol (lib_id "Connector:TestPoint") (at 203.2 123.19 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid 2463644c-9e1d-4906-87cb-860f3af02388)
+    (property "Reference" "TP5" (at 204.47 116.84 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+    )
+    (property "Value" "TestPoint" (at 200.66 118.618 0)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+    (property "Footprint" "TestPoint:TestPoint_Pad_D1.5mm" (at 208.28 123.19 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 208.28 123.19 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 60c26a18-c136-4986-b3a5-d3c8b1a3f4a5))
+    (instances
+      (project "geiger_counter"
+        (path "/cbce1c9b-145a-4699-84cc-032e6740ebf0"
+          (reference "TP5") (unit 1)
+        )
+      )
+    )
+  )
+
+  (symbol (lib_id "Connector:TestPoint") (at 170.18 170.18 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid 289250c5-5bd9-4f67-acdb-f57626cf411d)
+    (property "Reference" "TP6" (at 171.45 165.1 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+    )
+    (property "Value" "TestPoint" (at 167.64 165.608 0)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+    (property "Footprint" "TestPoint:TestPoint_Pad_D1.5mm" (at 175.26 170.18 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 175.26 170.18 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid ab127345-e2cb-46c4-9843-7a252c8caca3))
+    (instances
+      (project "geiger_counter"
+        (path "/cbce1c9b-145a-4699-84cc-032e6740ebf0"
+          (reference "TP6") (unit 1)
+        )
+      )
+    )
+  )
+
   (symbol (lib_id "power:GND") (at 125.73 153.67 0) (unit 1)
     (in_bom yes) (on_board yes) (dnp no)
     (uuid 2ad28173-61c3-4fca-8595-cb144e038b5f)
@@ -3626,7 +3786,7 @@
     (property "Value" "SL3906" (at 226.06 197.485 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Package_TO_SOT_SMD:SOT-23" (at 226.06 197.485 0)
+    (property "Footprint" "Package_TO_SOT_SMD:SOT-23_Handsoldering" (at 226.06 197.485 0)
       (effects (font (size 1.27 1.27) italic) (justify left) hide)
     )
     (property "Datasheet" "https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SL3906_C337069.pdf" (at 220.98 199.39 0)
@@ -3676,22 +3836,22 @@
     )
   )
 
-  (symbol (lib_id "Transistor_FET:DMN2056U") (at 123.19 128.27 0) (unit 1)
+  (symbol (lib_id "lcsc_misc:Nmos_GDS") (at 125.73 128.27 0) (unit 1)
-    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (in_bom yes) (on_board yes) (dnp no)
     (uuid 2ebe74dc-204d-46fb-9605-d7223d182d8a)
-    (property "Reference" "Q1" (at 129.54 127.635 0)
+    (property "Reference" "Q1" (at 128.27 127 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Value" "FS5N10S" (at 129.54 130.175 0)
+    (property "Value" "WSE9968A" (at 128.27 129.54 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Package_TO_SOT_SMD:SOT-23_Handsoldering" (at 128.27 130.175 0)
+    (property "Footprint" "Package_TO_SOT_SMD:SOT-89-3_Handsoldering" (at 123.19 119.38 0)
-      (effects (font (size 1.27 1.27) italic) (justify left) hide)
+      (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "https://datasheet.lcsc.com/lcsc/2205301745_FUXINSEMI-FS5N10S_C3018485.pdf" (at 123.19 128.27 0)
+    (property "Datasheet" "https://www.infineon.com/dgdl/Infineon-BSP129-DS-v01_42-en.pdf?fileId=db3a30433c1a8752013c1fc296d2395f" (at 123.19 119.38 0)
-      (effects (font (size 1.27 1.27)) (justify left) hide)
+      (effects (font (size 1.27 1.27)) hide)
     )
-    (property "LCSC" "C3018485" (at 123.19 128.27 0)
+    (property "LCSC" "C148360" (at 125.73 128.27 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid 5b444a63-35a7-4ddf-b0af-feb347e5ae6b))
@@ -4697,6 +4857,31 @@
     )
   )
 
+  (symbol (lib_id "power:VCC") (at 262.89 142.24 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
+    (uuid 8275af72-a868-4f5e-bdc7-b8c1db6ce35f)
+    (property "Reference" "#PWR027" (at 262.89 146.05 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Value" "VCC" (at 262.89 138.43 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 262.89 142.24 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (at 262.89 142.24 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid fc00c4eb-62a4-4793-8e96-7bd12fb7f10f))
+    (instances
+      (project "geiger_counter"
+        (path "/cbce1c9b-145a-4699-84cc-032e6740ebf0"
+          (reference "#PWR027") (unit 1)
+        )
+      )
+    )
+  )
+
   (symbol (lib_id "Device:C_Small") (at 321.31 118.11 0) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 8340745d-6835-4787-833a-10c3ec07c9c1)
@@ -4989,6 +5174,31 @@
     )
   )
 
+  (symbol (lib_id "Connector:TestPoint") (at 273.05 153.67 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid 94352b7d-5745-40cb-9c4e-03f2240886e0)
+    (property "Reference" "TP7" (at 274.32 148.59 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+    )
+    (property "Value" "TestPoint" (at 270.51 149.098 0)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+    (property "Footprint" "TestPoint:TestPoint_Pad_D1.5mm" (at 278.13 153.67 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 278.13 153.67 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 5d502595-f77e-4858-80c5-e44975c526a7))
+    (instances
+      (project "geiger_counter"
+        (path "/cbce1c9b-145a-4699-84cc-032e6740ebf0"
+          (reference "TP7") (unit 1)
+        )
+      )
+    )
+  )
+
   (symbol (lib_id "Amplifier_Operational:AD8620") (at 246.38 67.31 0) (unit 3)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid 954d9322-709b-488a-aeb0-ceab73ad56ba)
@@ -5138,6 +5348,31 @@
     )
   )
 
+  (symbol (lib_id "Connector:TestPoint") (at 158.75 198.12 180) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid ab3593bf-6edf-4662-bb32-fae1997b35c0)
+    (property "Reference" "TP1" (at 157.48 204.47 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+    )
+    (property "Value" "TestPoint" (at 161.29 202.692 0)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+    (property "Footprint" "TestPoint:TestPoint_Pad_D1.5mm" (at 153.67 198.12 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 153.67 198.12 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 359536c7-e580-4b2a-9028-14d49f3989a3))
+    (instances
+      (project "geiger_counter"
+        (path "/cbce1c9b-145a-4699-84cc-032e6740ebf0"
+          (reference "TP1") (unit 1)
+        )
+      )
+    )
+  )
+
   (symbol (lib_id "Diode:US2FA") (at 201.93 107.95 270) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid b1adedc7-6e11-4087-849b-617caaa44a56)
@@ -5182,7 +5417,7 @@
     (property "Value" "SL3904" (at 226.06 187.325 0)
       (effects (font (size 1.27 1.27)) (justify left))
     )
-    (property "Footprint" "Package_TO_SOT_SMD:SOT-23" (at 226.06 187.325 0)
+    (property "Footprint" "Package_TO_SOT_SMD:SOT-23_Handsoldering" (at 226.06 187.325 0)
       (effects (font (size 1.27 1.27) italic) (justify left) hide)
     )
     (property "Datasheet" "https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SL3904_C337068.pdf" (at 220.98 185.42 0)
@@ -5203,22 +5438,22 @@
     )
   )
 
-  (symbol (lib_id "74xx:74HC02") (at 168.91 83.82 0) (unit 1)
+  (symbol (lib_id "74xx:74HC02") (at 149.86 83.82 0) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid b70661be-88e8-4b5a-9278-183f198461d5)
-    (property "Reference" "U3" (at 168.91 76.2 0)
+    (property "Reference" "U3" (at 149.86 76.2 0)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Value" "74HC02" (at 168.91 78.74 0)
+    (property "Value" "74HC02" (at 149.86 78.74 0)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Footprint" "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" (at 168.91 83.82 0)
+    (property "Footprint" "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" (at 149.86 83.82 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74hc02" (at 168.91 83.82 0)
+    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74hc02" (at 149.86 83.82 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "LCSC" "C5179751" (at 168.91 83.82 0)
+    (property "LCSC" "C5179751" (at 149.86 83.82 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid e26ed68a-f275-4606-a204-aba1994b787c))
@@ -5451,7 +5686,7 @@
     (property "Value" "COS3201TR" (at 149.86 191.77 0)
       (effects (font (size 1.27 1.27)))
     )
-    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-5" (at 147.32 210.82 0)
+    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-5_HandSoldering" (at 147.32 210.82 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (property "Datasheet" "https://datasheet.lcsc.com/lcsc/2206161801_COSINE-COS3201TR_C3035955.pdf" (at 146.05 190.5 0)
@@ -5503,6 +5738,31 @@
     )
   )
 
+  (symbol (lib_id "Connector:TestPoint") (at 134.62 190.5 0) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid cda24bf9-492c-450a-b70f-5281feec7c3c)
+    (property "Reference" "TP3" (at 135.89 185.42 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+    )
+    (property "Value" "TestPoint" (at 132.08 185.928 0)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+    (property "Footprint" "TestPoint:TestPoint_Pad_D1.5mm" (at 139.7 190.5 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 139.7 190.5 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid f71d16f5-885b-4649-b35c-a4f70da93a5f))
+    (instances
+      (project "geiger_counter"
+        (path "/cbce1c9b-145a-4699-84cc-032e6740ebf0"
+          (reference "TP3") (unit 1)
+        )
+      )
+    )
+  )
+
   (symbol (lib_id "power:VCC") (at 231.14 52.07 0) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid cfd3d191-a1eb-4858-8bc6-1e8a689c7ab9)
@@ -5673,6 +5933,31 @@
     )
   )
 
+  (symbol (lib_id "Connector:TestPoint") (at 134.62 200.66 180) (unit 1)
+    (in_bom yes) (on_board yes) (dnp no)
+    (uuid e7dadf56-808a-46d2-8cb7-0eb89b5b2b3e)
+    (property "Reference" "TP2" (at 133.35 207.01 0)
+      (effects (font (size 1.27 1.27)) (justify right))
+    )
+    (property "Value" "TestPoint" (at 137.16 205.232 0)
+      (effects (font (size 1.27 1.27)) (justify right) hide)
+    )
+    (property "Footprint" "TestPoint:TestPoint_Pad_D1.5mm" (at 129.54 200.66 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "~" (at 129.54 200.66 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (pin "1" (uuid 91ae4d28-b179-4207-997e-d3e61177efb4))
+    (instances
+      (project "geiger_counter"
+        (path "/cbce1c9b-145a-4699-84cc-032e6740ebf0"
+          (reference "TP2") (unit 1)
+        )
+      )
+    )
+  )
+
   (symbol (lib_id "power:GND") (at 273.05 176.53 0) (unit 1)
     (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
     (uuid e8a5d1ef-2b59-4252-8997-7c184f9b2c1f)

lib/lcsc_misc.kicad_sym

@@ -160,4 +160,143 @@
       )
     )
   )
+  (symbol "Nmos_GDS" (in_bom yes) (on_board yes)
+    (property "Reference" "Q" (at 3.81 1.27 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "" (at -2.54 8.89 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at -2.54 8.89 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (at -2.54 8.89 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (symbol "Nmos_GDS_0_1"
+      (circle (center -0.889 0) (radius 2.794)
+        (stroke (width 0.254) (type default))
+        (fill (type none))
+      )
+      (circle (center 0 -1.778) (radius 0.254)
+        (stroke (width 0) (type default))
+        (fill (type outline))
+      )
+      (polyline
+        (pts
+          (xy -2.286 0)
+          (xy -5.08 0)
+        )
+        (stroke (width 0) (type default))
+        (fill (type none))
+      )
+      (polyline
+        (pts
+          (xy -2.286 1.905)
+          (xy -2.286 -1.905)
+        )
+        (stroke (width 0.254) (type default))
+        (fill (type none))
+      )
+      (polyline
+        (pts
+          (xy -1.778 -1.27)
+          (xy -1.778 -2.286)
+        )
+        (stroke (width 0.254) (type default))
+        (fill (type none))
+      )
+      (polyline
+        (pts
+          (xy -1.778 0.508)
+          (xy -1.778 -0.508)
+        )
+        (stroke (width 0.254) (type default))
+        (fill (type none))
+      )
+      (polyline
+        (pts
+          (xy -1.778 2.286)
+          (xy -1.778 1.27)
+        )
+        (stroke (width 0.254) (type default))
+        (fill (type none))
+      )
+      (polyline
+        (pts
+          (xy 0 2.54)
+          (xy 0 1.778)
+        )
+        (stroke (width 0) (type default))
+        (fill (type none))
+      )
+      (polyline
+        (pts
+          (xy 0 -2.54)
+          (xy 0 0)
+          (xy -1.778 0)
+        )
+        (stroke (width 0) (type default))
+        (fill (type none))
+      )
+      (polyline
+        (pts
+          (xy -1.778 -1.778)
+          (xy 0.762 -1.778)
+          (xy 0.762 1.778)
+          (xy -1.778 1.778)
+        )
+        (stroke (width 0) (type default))
+        (fill (type none))
+      )
+      (polyline
+        (pts
+          (xy -1.524 0)
+          (xy -0.508 0.381)
+          (xy -0.508 -0.381)
+          (xy -1.524 0)
+        )
+        (stroke (width 0) (type default))
+        (fill (type outline))
+      )
+      (polyline
+        (pts
+          (xy 0.254 0.508)
+          (xy 0.381 0.381)
+          (xy 1.143 0.381)
+          (xy 1.27 0.254)
+        )
+        (stroke (width 0) (type default))
+        (fill (type none))
+      )
+      (polyline
+        (pts
+          (xy 0.762 0.381)
+          (xy 0.381 -0.254)
+          (xy 1.143 -0.254)
+          (xy 0.762 0.381)
+        )
+        (stroke (width 0) (type default))
+        (fill (type none))
+      )
+      (circle (center 0 1.778) (radius 0.254)
+        (stroke (width 0) (type default))
+        (fill (type outline))
+      )
+    )
+    (symbol "Nmos_GDS_1_1"
+      (pin input line (at -7.62 0 0) (length 2.54)
+        (name "G" (effects (font (size 1.27 1.27))))
+        (number "1" (effects (font (size 1.27 1.27))))
+      )
+      (pin passive line (at 0 5.08 270) (length 2.54)
+        (name "D" (effects (font (size 1.27 1.27))))
+        (number "2" (effects (font (size 1.27 1.27))))
+      )
+      (pin passive line (at 0 -5.08 90) (length 2.54)
+        (name "S" (effects (font (size 1.27 1.27))))
+        (number "3" (effects (font (size 1.27 1.27))))
+      )
+    )
+  )
 )