update layout image, top and bot in one

The offset R for pos Vbias must connect to a negative supply
Use VssH instead of Vadc

Layout Version V2 2026-03-25

Delete stray trace (complained about by Leiton Review)

README.md

@@ -19,8 +19,7 @@ CHAOS Jr: HET BGO and 2× HETB.
 - 3.3V UART (optional RS485 half duplex) ifc to OBC
 - optional HSS serial ifc/spacewire.
 - optional MS5534 pressure sensor for balloon missions
-![Layout](thhor_crs-top.png)
-![Layout](thhor_crs-bot.png)
+![Layout](thhor_crs-topbot.png)
 
 ### Transformer
 

thhor_crs.net

@@ -27,7 +27,7 @@ XB/U2out	XB/R6-2 XB/R9-1 XB/U2-1
 XB/U1inv	XB/C3-1 XB/R3-1 XB/R5-2 XB/U1-4 
 XB/U1out	XB/C3-2 XB/R3-2 XB/U1-1 XB/R4-1 
 XB/U2-	XB/R6-1 XB/U2-4 XB/R4-2 
-VssH	C36-2 R38-2 U30-2 XB/U2-2 XB/U1-2 
+VssH	C36-2 R38-2 R36-2 U30-2 XB/U2-2 XB/U1-2 
 VccH	C35-1 R37-1 U30-5 XB/U2-5 XB/U1-5 
 hka3j	XB/R9-2 R39-1 C31-2 
 VBIASR	XB/U1-3 R30-2 C32-1 R32-1 
@@ -190,8 +190,8 @@ HKA3	R57-1 R65-2 C59-2 A/C3-2 A/U1-7
 SA2	CONN1-15 A/C/R1-1 
 SA1	CONN1-14 A/B/R1-1 
 DINA	R4-6 A/U1-14 
-Vadc	C141-1 C140-1 R36-2 R66-2 XADC/C3-1 XADC/R1-1 XADC/C2-2 XADC/U1-5 D/R7-1 D/C9-2 D/C8-2 D/U1-13 D/U1-2 C/R7-1 C/C9-2 C/C8-2 C/U1-13 C/U1-2 B/R7-1 B/C9-2 B/C8-2 B/U1-13 B/U1-2 A/R7-1 A/C9-2 A/C8-2 \
- A/U1-13 A/U1-2 
+Vadc	C141-1 C140-1 R66-2 XADC/C3-1 XADC/R1-1 XADC/C2-2 XADC/U1-5 D/R7-1 D/C9-2 D/C8-2 D/U1-13 D/U1-2 C/R7-1 C/C9-2 C/C8-2 C/U1-13 C/U1-2 B/R7-1 B/C9-2 B/C8-2 B/U1-13 B/U1-2 A/R7-1 A/C9-2 A/C8-2 A/U1-13 \
+ A/U1-2 
 SCKA	R4-8 A/U1-16 
 nCSA	R4-5 A/U1-1 
 DOUTA	R4-7 A/U1-15 

thhor_crs.pcb

@@ -989,7 +989,6 @@ Via[51.3000mm 62.4000mm 0.7000mm 0.4000mm 0.5000mm 0.3000mm "" "thermal(3t,4t)"]
 Via[51.7000mm 64.4000mm 0.7000mm 0.4000mm 0.5000mm 0.3000mm "" "thermal(3X)"]
 Via[51.2000mm 65.8000mm 1.0000mm 0.4000mm 0.8000mm 0.5000mm "" "thermal(4X)"]
 Via[54.1000mm 65.8000mm 1.0000mm 0.4000mm 0.8000mm 0.5000mm "" "thermal(2S)"]
-Via[44.3000mm 75.4000mm 0.7000mm 0.4000mm 0.5000mm 0.3000mm "" ""]
 Via[43.3000mm 77.5000mm 0.7000mm 0.4000mm 0.5000mm 0.3000mm "" ""]
 Via[49.0000mm 76.9000mm 0.7000mm 0.4000mm 0.5000mm 0.3000mm "" ""]
 Via[48.1000mm 80.7000mm 0.7000mm 0.4000mm 0.5000mm 0.3000mm "" ""]
@@ -8335,7 +8334,6 @@ Layer(1 "top" "copper")
 	Line[38.7000mm 42.0000mm 36.8000mm 42.6000mm 0.2000mm 0.4000mm "clearline"]
 	Line[51.3000mm 62.4000mm 51.3000mm 63.8000mm 0.2000mm 0.4000mm "clearline"]
 	Line[53.7000mm 63.8000mm 51.3000mm 63.8000mm 0.2000mm 0.4000mm "clearline"]
-	Line[40.2000mm 60.9000mm 40.2000mm 62.0000mm 0.2000mm 0.4000mm "clearline"]
 	Line[42.9000mm 36.1000mm 45.5000mm 36.1000mm 0.2000mm 0.4000mm "clearline"]
 	Line[45.5000mm 36.1000mm 45.5000mm 35.0000mm 0.2000mm 0.4000mm "clearline"]
 	Line[45.5000mm 35.0000mm 45.8000mm 34.7000mm 0.2000mm 0.4000mm "clearline"]
@@ -8855,7 +8853,6 @@ Layer(5 "signal" "copper")
 	Line[41.3000mm 76.7000mm 36.3000mm 69.2000mm 0.2000mm 0.4000mm "clearline"]
 	Line[36.3000mm 69.2000mm 35.0000mm 65.6000mm 0.2000mm 0.4000mm "clearline"]
 	Line[34.4000mm 63.7000mm 34.4000mm 62.6000mm 0.2000mm 0.4000mm "clearline"]
-	Line[44.3000mm 75.4000mm 54.1000mm 65.8000mm 0.2000mm 0.4000mm "clearline"]
 	Line[49.0000mm 76.9000mm 47.2000mm 76.6000mm 0.2000mm 0.4000mm "clearline"]
 	Line[48.1000mm 80.7000mm 46.1000mm 77.0000mm 0.2000mm 0.4000mm "clearline"]
 	Line[49.4000mm 72.1000mm 59.0000mm 72.1000mm 0.2000mm 0.4000mm "clearline"]
@@ -9211,7 +9208,7 @@ Layer(6 "bottom" "copper")
 	Line[48.8000mm 3000.00mil 47.9000mm 77.0000mm 0.2000mm 0.4000mm "clearline"]
 	Line[47.9000mm 77.0000mm 47.9000mm 77.6000mm 0.2000mm 0.4000mm "clearline"]
 	Line[49.0000mm 76.9000mm 49.6000mm 76.7000mm 0.2000mm 0.4000mm "clearline"]
-	Line[46.7000mm 76.7000mm 44.2000mm 76.7000mm 0.2000mm 0.4000mm "clearline"]
+	Line[46.7000mm 76.7000mm 44.3000mm 76.7000mm 0.2000mm 0.4000mm "clearline"]
 	Line[45.5000mm 77.5000mm 43.3000mm 77.5000mm 0.2000mm 0.4000mm "clearline"]
 	Line[40.2000mm 77.1000mm 40.9000mm 77.1000mm 0.6000mm 0.4000mm "clearline"]
 	Line[40.9000mm 77.1000mm 40.9000mm 75.4000mm 0.6000mm 0.4000mm "clearline"]
@@ -9485,7 +9482,7 @@ Layer(6 "bottom" "copper")
 	Line[50.6000mm 79.5000mm 47.9000mm 79.5000mm 0.2000mm 0.4000mm "clearline"]
 	Line[51.0000mm 79.2000mm 50.6000mm 79.5000mm 0.2000mm 0.4000mm "clearline"]
 	Line[48.3000mm 72.8000mm 44.2000mm 72.8000mm 0.2000mm 0.4000mm "clearline"]
-	Line[44.3000mm 75.4000mm 44.3000mm 74.4000mm 0.2000mm 0.4000mm "clearline"]
+	Line[44.3000mm 76.7000mm 44.3000mm 74.4000mm 0.2000mm 0.4000mm "clearline"]
 	Line[43.3000mm 77.5000mm 43.4000mm 78.3000mm 0.2000mm 0.4000mm "clearline"]
 	Line[50.0000mm 78.8000mm 48.6000mm 78.8000mm 0.2000mm 0.4000mm "clearline"]
 	Line[43.4000mm 78.3000mm 43.4000mm 80.3000mm 0.2000mm 0.4000mm "clearline"]
@@ -9945,8 +9942,8 @@ Layer(6 "bottom" "copper")
 	Text[53.2000mm 74.2000mm 2 43 "POS" "clearline,onsolder"]
 	Text[51.9000mm 75.0000mm 3 43 "NEG" "clearline,onsolder"]
 	Text[31.2000mm 36.9000mm 2 93 "FORGE.BEXUS.ORG" "clearline,onsolder"]
-	Text[31.3000mm 33.7000mm 2 93 "THHOR CRS V01" "clearline,onsolder"]
-	Text[31.2000mm 35.3000mm 2 93 "2025-12-18 SiB" "clearline,onsolder"]
+	Text[31.3000mm 33.7000mm 2 93 "THHOR CRS V02" "clearline,onsolder"]
+	Text[31.2000mm 35.3000mm 2 93 "2026-03-25 SiB" "clearline,onsolder"]
 	Polygon("via")
 	(
 		[34.8150mm 33.0340mm] [1370.40mil 1302.00mil] [34.8013mm 33.1054mm] [1367.70mil 1316.60mil] [34.7185mm 33.4651mm] 
@@ -11763,7 +11760,6 @@ NetList()
 		Connect("D/R7-1")
 		Connect("D/U1-2")
 		Connect("D/U1-13")
-		Connect("R36-2")
 		Connect("R66-2")
 		Connect("XADC/C2-2")
 		Connect("XADC/C3-1")
@@ -12033,6 +12029,7 @@ NetList()
 	Net("VssH" "(unknown)")
 	(
 		Connect("C36-2")
+		Connect("R36-2")
 		Connect("R38-2")
 		Connect("U30-2")
 		Connect("XB/U1-2")

thhor_crs.sch

@@ -3007,13 +3007,6 @@ value=∞Ω
 T 34450 51000 5 10 1 1 0 6 1
 footprint=C0805
 }
-C 34800 50700 1 180 0 generic-power.sym
-{
-T 34600 50450 5 10 0 1 180 3 1
-net=Vadc:1
-T 34600 50450 3 8 1 1 180 3 1
-description=Vadc
-}
 N 34600 50700 34600 50600 4
 C 38100 52400 1 90 0 resistor-2.sym
 {
@@ -5056,3 +5049,10 @@ device=none
 T 22000 43800 5 8 1 1 0 4 1
 value=TxE
 }
+C 34800 50700 1 180 0 generic-power.sym
+{
+T 34600 50450 5 10 0 1 180 3 1
+net=VssH:1
+T 34600 50450 3 8 1 1 180 3 1
+description=VssH
+}