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Diode-Bridge Voltage-Controlled Attenuator

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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 / control_feedthrough_summary.txt
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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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2% D4 Is mismatch, 0-to-2 V / 1 ms control ramp: peak |Vout| = 0.0879972 V