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Circuit Bench

  • Sensitive Field Strength Meter (CB14900E)

      This sensitive field strength meter was found in 1993 documentation. The instrument may be the...

  • Driver for Nixie Tube (CB6682E)

           This circuit was found in a 1967 General Electric manual. It is intended for the control of high...

  • Variable output for the 7812 IC (CB24825E)

      The figure shows how to vary the output voltage of a 7812 regulator between 12 V and 2 V less than...

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