jannik/c3lingo-interpreter-unit
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10 commits

Author SHA1 Message Date
Jannik Beyerstedt 04b76dfa98 PCB: Update for new schematic (still THT for now) 2023-01-04 00:43:15 +01:00
Jannik Beyerstedt 38a8ab0895 Schematics: Fix multiple issues with initial prototype 
- Removed high-pass filter between microphone pre-amp and gain as it made things sound worse
- Removed low-pass filter before VU meter as it looked fine without
- Connect VU meter to +15 V directly as 5 V didn't work
- Footprint of the gain potentiometer (Alps RK09) seems to be fixed with the KiCad 6 library
 2022-12-31 00:26:04 +01:00
Jannik Beyerstedt ae12e7a092 KiCad 6: Update power flag symbols 
Power flags were updated in the new KiCad 6 library, which was a warning in the ERC.
 2022-12-30 22:39:31 +01:00
Jannik Beyerstedt b7f3061856 Upgrade project to KiCad 6 
Item annotations were re-generated as there were duplicate items otherwise somehow. This means, that some item numbers have changed!
 2022-12-04 21:42:34 +01:00
Jannik Beyerstedt 65fc825250 [FIX] Schematics: Revised values and PCB errata text 
* fixed trim pot range at VU meter
* TODOs removed (5V V_LED didn't work out, 10uF at LM386 wasn't better, VU meter filtering not needed)
* phantom power voltage changed and readme chapter added
* hardware errata: gain pot. pins are swapped, ground plane isn't fully connected

Footprints and PCB aren't fixed to keep the schematic compatible with the existing PCBs!
 2021-09-05 20:08:08 +02:00
Jannik Beyerstedt 38b97f0546 PCB: Channel strip design 2021-06-02 21:31:30 +02:00
Jannik Beyerstedt 14f2e14b36 PCB: Line in/out and mics summing design 2021-06-02 21:30:52 +02:00
Jannik Beyerstedt 5edee823cb Schematics: Add missing functionality, add footprints, fix todos 
- Add On-Air button
- Lower frequency for the input HPF
- (final) button footprints
- (final) potentiometer values and footprints
 2021-05-30 22:42:17 +02:00
Jannik Beyerstedt af20be8f0e [TIDY] Channel Strip: Integrate VU Meter 2021-05-24 00:06:31 +02:00
Jannik Beyerstedt 5b26ac5c22 [TIDY] Split old design in new hierarchal layout 
TODO: Shrink channel strip to A4 paper size, integrate VU meter
 2021-05-23 18:29:08 +02:00