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Circuit Bench

  • Digital logical probe (CB7925E)

           Found in a Popular Electronics from the 90s, this digital probe uses common components....

  • LM741 Variable Gain Amplifier (CB25920E)

      This circuit was found in a May 1981 Radio Electronics magazine article. The circuit is offset...

  • SPST Circuit (CB21613E)

      This control circuit for microcontrollers uses a pressure switch to prevent peal. Equivalent...

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