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Latest

  • Stepped Timer (ART726E)
  • Electronic Circuit Breaker (ART727E)
  • Electronic Cockroach Killer (ART649E)
  • Two Projects with Ceramic Transducers (ART647E)

Circuit Bench

  • Precision speed control (CB8015E)

          This circuit was found in a 1968’s General Electric documentation. The circuit has a control range of...

  • VCO with a Frequency Range of 100: 1 (CB1545E )

    We find this circuit in a documentation for engineers from 1971. The circuit generates rectangular and...

  • Night switch (CB7189E)

           Found in RCA documentation two years 70, this circuit triggers an incandescent lamp at dusk. The...

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