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  • Stepped Timer (ART726E)
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Circuit Bench

  • VLF Transmitter (CB25216E)

      This circuit for the 1750 m band was published in the September 1989 Radio Electronics magazine. The...

  • 6W Variable Tone Siren (CB25213E)

      This CMOS circuit was found in the July 1990 Radio Electronics magazine. Power is for a 12V...

  • Astable 4001 (CB12721E)

      The circuit shown in the figure generates a rectangular signal whose frequency depends on C1. For...

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