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

Circuit Bench

  • 13 V power supply uA723 (CB19021E)

      Although newer voltage regulator integrated circuits exist, the uA723 is still very common in...

  • Tunnel diode curve tracer (CB23704E)

      This circuit was found in a Radio Electronics from February 1966. With it it is possible to trace...

  • Pre Amplifier For Crystal Microphone With 741 (CB924E)

    The configuration of this circuit was suggested by an old English publication that comes to...

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