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  • Stepped Timer (ART726E)
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  • Two Projects with Ceramic Transducers (ART647E)

Circuit Bench

  • Pre-Emphasis on 1500 Hz (CB13685E)

      This circuit reinforces signals in a frequency range between 1500 and 2000 Hz for use in...

  • Wind Detector (CB5155E)

          When a small air current reaches the piezoelectric sensor, a small audio signal is generated and...

  • Signal Injector (CB10325E)

      This circuit is from a Poptronics, American magazine from August 2000. The circuit can be...

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