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Diode-Bridge Voltage-Controlled Attenuator

Public Unreviewed

by John Lauer

Two-layer through-hole audio attenuator: four 1N4148s as a current-biased shunt bridge, 0 to 2 V control, designed by Saif Abdessayed with Adom Hydrogen

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diode-vca-attenuator / simulation / results / transient_summary.csv
HistoryDownload
John Lauer Saif Abdessayed's diode-bridge VCA: KiCad project, Gerbers, BOM, simulations, reports, and the earlier RC filter test 45f3ff6 11d ago
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control_v,vin_vpp,vout_vpp,gain,thd_percent
0,0.1,0.09684249,0.968431,0.158702
0.5,0.1,0.04185565,0.418559,0.259817
1,0.1,0.02666745,0.266676,0.126404
1.5,0.1,0.01957497,0.195751,0.0734595
2,0.1,0.01546882,0.154689,0.0477734
0,12,11.23799,0.936501,1.97245
0.5,12,10.9666,0.913885,2.3964
1,12,10.71387,0.892823,3.29864
1.5,12,10.4622,0.871851,4.43732
2,12,10.21094,0.850913,5.69446