This circuit for equipment adjustment and diagnostics was found in a Mullard transistors manual from 1960. Information about the transformers is given with the diagram.
This Colpitts oscillator with JFET has the amplitude of the signals stabilized by a diode. The...
This circuit can be used with the CIR12642E TTL Roulette, or other game circuits that must draw...
This conventional window detector circuit was found in a 1995 documentation. The trigger points, that...