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

Circuit Bench

  • Practical Flip Flop (CB21810E)

      This circuit with germanium transistors was found in a Mullard manual from 1960. The components depend...

  • Acid Rain Detector (CB6269E)

           This circuit was found in an 80's Radio Electronics. The idea is to use a home-built pH-sensitive...

  • Varicap Modulated FM Transmitter (CB18771E)

      In this transmitter L1 and L3 are formed by 5 turns of wire 22 and L2 and L3 by 4 turns of the...

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