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Circuit Bench

  • One push button on off switch (CB7199E)

           This circuit turns a lamp on and off with alternate touches of a switch. Modern Darlingtons can be used....

  • Four Transistor Superheterodyne Receiver (CB959E)

    Found in a 1958’s publication, this receiver uses components that are nbot easy to find in our...

  • Unijunction Telegraphy Oscillator (CB12283E)

      Found in a 1991 publication this circuit can be assembled with more modern components. We can use...

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