pentevo – /kicad/rev_d/AUDIO.txt

Rev 1257 – pentevo: rev D: add connection of pt2258 to I2C, add ...

lvd — Mon, 09 Jun 2025 22:12:57 +0300

lvd – 3 file(s) modified
pentevo: rev D: add connection of pt2258 to I2C, add extra gnd pin to AAFP/AC97 connector

~ /kicad/rev_d/AUDIO.txt
~ /kicad/rev_d/I2C_ADDRS.txt
~ /kicad/rev_d/Sheet3.kicad_sch

Rev 1242 – pentevo: rev D: add more experimental data for YM levels, ...

lvd — Wed, 28 May 2025 23:24:21 +0300

lvd – 5 file(s) modified
pentevo: rev D: add more experimental data for YM levels, also add KC89C72 data

~ /kicad/rev_d/AUDIO.txt
~ /kicad/rev_d/mfb_lowpass.py
~ /kicad/rev_d/Sheet3.kicad_sch
~ /kicad/rev_d/sim/distributed_highpass_12Hz.cir
+ /kicad/rev_d/sim/distributed_lopass_3rd_order_beep.cir

Rev 1241 – pentevo: rev D: changed amplification for YM, added AY -3dB ...

lvd — Mon, 26 May 2025 23:10:48 +0300

lvd – 4 file(s) modified
pentevo: rev D: changed amplification for YM, added AY -3dB pad, remade lowpass for AY, added some ideas regarding highpass (WIP)

~ /kicad/rev_d/AUDIO.txt
~ /kicad/rev_d/mfb_lowpass.py
~ /kicad/rev_d/Sheet3.kicad_sch
~ /kicad/rev_d/sim/distributed_lopass_3rd_order.cir

Rev 1230 – pentevo: rev D: fix tl res calc (typo in naming); ...

lvd — Tue, 13 May 2025 10:05:17 +0300

lvd – 3 file(s) modified
pentevo: rev D: fix tl res calc (typo in naming); add audio reqs/thoughts file; start python prog to calc mfb lowpass filters and select values for it

~ /kicad/rev_d/AUDIO.txt
+ /kicad/rev_d/mfb_lowpass.py
~ /kicad/rev_d/tl431_6v.py

Rev 1229 – pentevo: rev D: add some audio notes

lvd — Sun, 04 May 2025 22:00:28 +0300

lvd – 1 file(s) modified
pentevo: rev D: add some audio notes

+ /kicad/rev_d/AUDIO.txt