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Latest

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

Circuit Bench

  • Audio Visual Effect (CB16626E)

      We found this circuit of light and sound effects in a 1987 publication. The sounds are reproduced by a...

  • 1 500 000 gain Amplifier (CB6641E)

          We found this circuit with transistors in a Philips documentation from 1968. The double transistor...

  • Audio Output Stage (CB466)

    This simple circuit can be used as audio output stage for intercoms, experimental radios and other low...

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