This circuit was found in a Hands On Electronics from the 90s. It is intended to supply old tape players to batteries with a voltage of 7.5 V from the 12 V of a car battery or source.
This amplifying stage is found in several circuits on our website. The coils depend on the...
This amplifier with antique germanium transistors is from a 1968 publication. The circuit provides...
This circuit has been obtained from a technical documentation on filters from 1977. The...