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Circuit Bench

  • VCA - Voltage Controlled Amplifier (CB14001E)

      This 3-channel configuration was found in a 1982 Selezione Radio magazine. The publication no...

  • Mini amplifier (CB21697E)

      The indicated fraction watt amplifier has good gain, requiring only 100 mV input for full power...

  • Variable Frequency Oscillator (CB22465E)

      This VFO circuit generates signals from 2 Hz to 50 Hz. We found it in Popular Electronics from...

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