This circuit was found in a Ferranti documentation from 1969. The transistors are common types of the company at the time. Smaller equivalents may be used. The output power is of the order of 150 mW.
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...