This 4-waveband converter circuit was found in Radio Craft September 1948. The power supply is not given, but the supply voltages are indicated.
Found in an American 1980s documentation, this circuit generates high-intensity pulses for a...
This powerful FM transmitter was found in a 2002 documentation. The output transistors must be...
This circuit was obtained from a 1966 documentation. The transistors are of the time. The circuit...