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  • Stepped Timer (ART726E)
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Circuit Bench

  • Volume Expander (CB22155E)

      This circuit was found in an English publication from 1989. The integrated circuits are of the...

  • Electronic Key (CB22527E)

      This circuit to automate the activation time of the dots and dashes in telegraph transmissions appeared in...

  • AM Modulator 78xx (CB15167E)

      With this circuit it is possible to obtain a voltage modulated in amplitude with a maximum current of...

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