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Circuit Bench

  • Device On indicator (CB7014E)

          Found in a European magazine from the 90s, this circuit emits beeps that are several seconds apart to...

  • FET Preamplifier (CB13308E)

      We found this traditional circuit in an American documentation from 1976. The circuit can be...

  • 1kHz Sallen High Pass Filter (CB25361E)

      We found this circuit in the October 1990 issue of Radio Electronics magazine. The frequency can...

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