pentevo – /kicad/rev_d/sim/

Rev 1258 – pentevo: rev D: beautify audio schematics page, change vcc_mega to ...

lvd — Sat, 14 Jun 2025 16:21:52 +0300

lvd – 3 file(s) modified
pentevo: rev D: beautify audio schematics page, change vcc_mega to vcc5 convertor for high ROM addrs

~ /kicad/rev_d/Sheet2.kicad_sch
~ /kicad/rev_d/Sheet3.kicad_sch
~ /kicad/rev_d/sim/tpa6120_inv.CIR

Rev 1256 – pentevo: rev D: finalize analog part (connect pt2258 to avr ...

lvd — Mon, 09 Jun 2025 15:16:34 +0300

lvd – 3 file(s) modified
pentevo: rev D: finalize analog part (connect pt2258 to avr TODO)

~ /kicad/rev_d/Sheet3.kicad_sch
~ /kicad/rev_d/sim/distributed_lopass_3rd_order.cir
~ /kicad/rev_d/sim/distributed_lopass_3rd_order_beep.cir

Rev 1244 – pentevo: rev D: move scripts/etc to scripts/ dir

lvd — Sun, 01 Jun 2025 15:22:29 +0300

lvd – 9 file(s) modified
pentevo: rev D: move scripts/etc to scripts/ dir

x /kicad/rev_d/mfb_lowpass.py
+ /kicad/rev_d/scripts
+ /kicad/rev_d/scripts/draw.py
+ /kicad/rev_d/scripts/mfb3.png (copied from /kicad/rev_d/sim/mfb3.png@1243)
+ /kicad/rev_d/scripts/mfb_lowpass.py (copied from /kicad/rev_d/mfb_lowpass.py@1243)
+ /kicad/rev_d/scripts/tl431_6v.py (copied from /kicad/rev_d/tl431_6v.py@1243)
+ /kicad/rev_d/scripts/transfer.py
x /kicad/rev_d/sim/mfb3.png
x /kicad/rev_d/tl431_6v.py

Rev 1243 – pentevo: rev D: mfb_lowpass.py: add accounting for random errors in ...

lvd — Sun, 01 Jun 2025 02:14:49 +0300

lvd – 2 file(s) modified
pentevo: rev D: mfb_lowpass.py: add accounting for random errors in selected components

~ /kicad/rev_d/mfb_lowpass.py
+ /kicad/rev_d/sim/mfb3.png

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 1239 – pentevo: rev D: implemented lopass 30kHz filter, with a model

lvd — Sun, 25 May 2025 20:32:28 +0300

lvd – 4 file(s) modified
pentevo: rev D: implemented lopass 30kHz filter, with a model

~ /kicad/rev_d/Sheet1.kicad_sch
~ /kicad/rev_d/Sheet2.kicad_sch
~ /kicad/rev_d/Sheet3.kicad_sch
+ /kicad/rev_d/sim/distributed_lopass_3rd_order.cir

Rev 1221 – pentevo: rev D: redoing audio (WIP), add reverse diodes to ...

lvd — Sat, 12 Apr 2025 23:03:56 +0300

lvd – 7 file(s) modified
pentevo: rev D: redoing audio (WIP), add reverse diodes to linear regulators

~ /kicad/rev_d/eva-altium-import.kicad_sym
~ /kicad/rev_d/Sheet1.kicad_sch
~ /kicad/rev_d/Sheet2.kicad_sch
~ /kicad/rev_d/Sheet3.kicad_sch
+ /kicad/rev_d/sim/VG93_turnon_off.cir
~ /kicad/rev_d/sym-lib-table
+ /kicad/rev_d/tl431_6v.py

Rev 1217 – pentevo: rev D: add sim circuit for distributed highpass filter

lvd — Mon, 07 Apr 2025 22:20:27 +0300

lvd – 1 file(s) modified
pentevo: rev D: add sim circuit for distributed highpass filter

+ /kicad/rev_d/sim/distributed_highpass_12Hz.cir

Rev 1216 – pentevo: rev D: update sim circuit for tpa6120 inv buffer: ...

lvd — Sun, 06 Apr 2025 19:48:21 +0300

lvd – 1 file(s) modified
pentevo: rev D: update sim circuit for tpa6120 inv buffer: use microcap12, use TLC071 and THS6012 models

~ /kicad/rev_d/sim/tpa6120_inv.CIR

Rev 1214 – pentevo: rev D: update filter sim circuit with pure current ...

lvd — Wed, 26 Mar 2025 22:22:31 +0300

lvd – 1 file(s) modified
pentevo: rev D: update filter sim circuit with pure current sink (as it is for the majority of opamps and headset amps)

~ /kicad/rev_d/sim/avcc12_output_impedance.CIR

Rev 1209 – pentevo: rev D: upgrade 12v filtering, add 74hct1g04 for beep ...

lvd — Mon, 24 Mar 2025 19:39:12 +0300

lvd – 4 file(s) modified
pentevo: rev D: upgrade 12v filtering, add 74hct1g04 for beep signals (much faster speed), change AVCC8 to AVCC9

+ /docs/datasheets/KA75450.pdf
~ /kicad/rev_d/Sheet2.kicad_sch
+ /kicad/rev_d/sim/avcc12_output_impedance.CIR
+ /kicad/rev_d/sim/avcc12_power_supply_filtering.CIR

Rev 1208 – pentevo: rev D: add simulation for tpa6120 inverting buffer

lvd — Mon, 24 Mar 2025 08:00:59 +0300

lvd – 1 file(s) modified
pentevo: rev D: add simulation for tpa6120 inverting buffer

+ /kicad/rev_d/sim/tpa6120_inv.CIR

Rev 1200 – pentevo: rev D: add simulation for tpa6120 buffer

lvd — Sun, 23 Mar 2025 12:24:17 +0300

lvd – 2 file(s) modified
pentevo: rev D: add simulation for tpa6120 buffer

+ /kicad/rev_d/sim
+ /kicad/rev_d/sim/tpa6120_buf.CIR