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

Circuit Bench

  • 1200 W power supply for 144 MHz transceiver (CB7429E)

           Found in a QST magazine from the 90s, this powerful unit is intended to supply a VHF transceiver for...

  • TTL LED flasher (CB12764E)

      This circuit allows the use of two triggers (inverters or NAND ports connected in this way) to...

  • Sine to square converter (CB24096E)

      Using an RCA CA3018 integrated circuit, this circuit was found in the November 1970 issue of Radio...

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