This Motorola circuit is from 1965. Collector currents must be 7 and 12 A for transistors. Equivalents may be used. The circuit is for contact breaker cars.
This clipper or limiter circuit limits the amplitude of AM or FM audio signals. The diodes are...
This circuit was obtained in a 1960 documentation of General Electric. It is applied in the...
The transistors of this amplifier for headphones with 8 to 200-ohm impedance can be BC548 or...