Stephan I. Böttcher
68d335b9ad
HK: bring Vcc into ADC range, R50=15kΩ
2026-03-27 17:53:02 +01:00
Stephan I. Böttcher
a4b8e68309
sch: fix XO53 oscillator enable pin
2026-03-25 20:04:14 +01:00
Stephan I. Böttcher
f6517860d7
fix pos Vbias HK
...
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)
2026-03-25 07:45:04 +01:00
Stephan I. Böttcher
090edaa2d1
part values
2026-01-06 17:55:47 +01:00
Stephan I. Böttcher
bb82c00fec
swap TxE and nCS, to use XDIR for TxE
2026-01-05 12:21:43 +01:00
Stephan I. Böttcher
413be88d6b
disable Rx when Tx
2026-01-05 11:40:02 +01:00
Stephan I. Böttcher
ee55a919ce
U6 value TI part
2025-12-31 11:52:07 +01:00
Stephan I. Böttcher
dfdf165d3b
U6 value
2025-12-31 01:20:11 +01:00
Stephan I. Böttcher
7b36d564ed
add U6: AND gate to drop DCLK while reading the bitfile from flash
2025-12-31 01:16:21 +01:00
Stephan I. Böttcher
cff46bc0fa
remove old Vdio symbols
2025-12-31 00:43:47 +01:00
Stephan I. Böttcher
9c9d89f454
altera synthesis of empty design succeeds
2025-12-22 00:02:43 +01:00
Stephan I. Böttcher
a908ac1c8f
fpga pinout, with fixes on the schematics and layout
2025-12-21 23:27:15 +01:00
Stephan I. Böttcher
1d2fbccfd7
RS485 driver ordering info
2025-12-21 18:15:02 +01:00
Stephan I. Böttcher
0979fd3819
add blocking caps to use the remaining space
2025-12-20 23:00:25 +01:00
Stephan I. Böttcher
00d93d5483
frame element, pngs
2025-12-20 20:56:41 +01:00
Stephan I. Böttcher
fb0ff6f300
layout complete
2025-12-20 20:04:44 +01:00
Stephan I. Böttcher
8470575aa7
shaper layout from leia
2025-12-20 05:02:39 +01:00
Stephan I. Böttcher
ddbeb79950
all FPGA blocking caps, unused pins
2025-12-19 01:01:32 +01:00
Stephan I. Böttcher
2449dce7ec
FPGA blocking caps
2025-12-18 18:04:34 +01:00
Stephan I. Böttcher
37108173f3
FPGA placed, two sides connected
2025-12-18 03:52:01 +01:00
Stephan I. Böttcher
272b7fc6f1
layout sepic and Vbias
2025-12-17 20:51:44 +01:00
Stephan I. Böttcher
52626889b1
footprints
2025-12-17 13:43:23 +01:00
Stephan I. Böttcher
a34de4864d
s/ATtiny424/ATtiny824-XF/
2025-12-16 23:12:11 +01:00
Stephan I. Böttcher
b7a9476c37
schematics mostly done
2025-12-16 22:58:21 +01:00
Stephan I. Böttcher
ca160058cf
sub schematics
2025-12-16 21:12:07 +01:00
Stephan I. Böttcher
79732836ff
THHΘR Cosmic Ray Sensor
2025-12-16 19:11:12 +01:00
