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Circuit Bench

  • XTAL TTL Oscillator (CB24936E)

      Any TTL inverter can be used in this circuit. We found it in documentation from the 80s, but it...

  • 1.5 kW bridge inverter (CB8372E)

           This circuit was found in a 1970 Philips documentation. The components are from the time, and...

  • Up to 100 Minutes Timer (CB12117E)

      In this circuit, obtained from a 1979 publication, IC1 is a 555 and IC2 is a 4020. The transistor is the...

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