This source for 50 W amplifiers per channel was found in 1967 Delco documentation. Transistors are from that time, difficult to obtain today.
This is the receiver for the transmitter suggested in CIR13081. The configuration is old, and...
This circuit generates 50, 100 and 200 Hz signals from a 3.2768 MHz crystal and has outputs...
This configuration found in a Motorola documentation consists of an experimental circuit that uses...