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Circuit Bench

  • Voltage regulator LM3900 (CB25175E)

      Using a Norton operational amplifier circuit, we have in the figure a variable voltage regulator. The...

  • Burglar Alarm (CB14441E)

      This circuit is from an English documentation from 1968 but can be assembled with modern...

  • 5 V x 1A Fixed Regulator (CB14161E)

      This is the basic configuration for a 5 V output with a maximum current of 5 A with the National...

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