5 Commits

Author	SHA1	Message	Date
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	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	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	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