Comparator with AND gate (CB9407E)

This tunnel diode circuit was found in American documentation from 1966. The tunnel diode is the critical component of this circuit.

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Laser trigger (CB7225E)
Found in an American publication in 1967, this circuit generates pulses for the triggering of a LASER of...
Adjustable Current Limiter LM317 (CB15314E)
The maximum current of this circuit is 1.5 A. The circuit has the formulas next to the diagram to...
Biestable Sound Switch (CB5991E)
This biestable vox circuit was found in an old documentation. The circuit makes use of components of...