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1247 2025-06-05 23:00:34 lvd /kicad/rev_d/scripts/ pentevo: rev D: mfb3: prototype for numeric evaluation of needed R/C  
1246 2025-06-03 22:14:13 lvd /kicad/rev_d/scripts/ pentevo: rev D: mfb3: derived formulas for R/C values -> w1 w2 q values  
1245 2025-06-01 16:41:40 lvd /kicad/rev_d/scripts/ pentevo: rev D: start developing mfb3 script  
1244 2025-06-01 15:22:29 lvd /kicad/rev_d/ pentevo: rev D: move scripts/etc to scripts/ dir  
1243 2025-06-01 02:14:49 lvd /kicad/rev_d/ pentevo: rev D: mfb_lowpass.py: add accounting for random errors in selected components  
1242 2025-05-28 23:24:21 lvd /kicad/rev_d/ pentevo: rev D: add more experimental data for YM levels, also add KC89C72 data  
1241 2025-05-26 23:10:48 lvd /kicad/rev_d/ pentevo: rev D: changed amplification for YM, added AY -3dB pad, remade lowpass for AY, added some ideas regarding highpass (WIP)  
1240 2025-05-25 23:19:54 lvd /kicad/rev_d/ pentevo: rev D: mfb_lowpass.py: add calculation of another lowpass for beeper  
1239 2025-05-25 20:32:28 lvd /kicad/rev_d/ pentevo: rev D: implemented lopass 30kHz filter, with a model  
1238 2025-05-25 14:00:04 lvd /kicad/rev_d/ pentevo: rev D: mfb_lowpass.py: add sorted prints by freq and by Q  
1237 2025-05-19 22:06:06 lvd /kicad/rev_d/ pentevo: rev D: mfb_lowpass.py: better results printing, remove debug prints  
1236 2025-05-19 00:05:45 lvd /kicad/rev_d/ pentevo: rev D: mfb_lowpass.py: make filter element values calc, fit to preferred values, calc real parameters  
1235 2025-05-18 23:33:26 lvd /kicad/rev_d/ pentevo: rev D: mfb_lowpass.py: make range selector from preferred values list  
1234 2025-05-14 23:52:59 lvd /kicad/rev_d/ pentevo: rev D: mfb_lowpass.py: add as comments some formulas suitable for component values calculation  
1233 2025-05-14 08:52:40 lvd /kicad/rev_d/ pentevo: rev D: mfb_lowpass.py: more bounding for values to get single and pretty solution for transfer function  
1232 2025-05-13 10:50:47 lvd /kicad/rev_d/ pentevo: rev D: mfb_lowpass.py: add pretty printing  
1231 2025-05-13 10:44:13 lvd /kicad/rev_d/ pentevo: rev D: add transfer func calculation in terms of gain, cutoff freq and quality  
1230 2025-05-13 10:05:17 lvd /kicad/rev_d/ 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  
1229 2025-05-04 22:00:28 lvd /kicad/rev_d/ pentevo: rev D: add some audio notes  
1228 2025-05-03 17:04:52 lvd /kicad/rev_d/ pentevo: rev D: add pca9555 to control extra address pins of ROM  

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