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Circuit Bench

  • 100 V x 5 mA Voltage Regulator (CB835E)

    This high voltage regulator uses only two passive components. The output is 100 V, but replacing...

  • Car Alarm (CB8925E)

           This circuit was found in a 80’s Popular Electronics. The components are common and the 8-ohm...

  • Photometer (CB7360E)

          This 1964 Electronic Design circuit uses a photo-FET as a sensor. The component is rare today.   |...

Latest

  • Crystal test (CB9622E)
  • Double limit test (CB9593E)
  • Proximity detector (CB9567E)
  • Touch on off switch (CB9519E)

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