Found in a Westinghouse Silicon Power Handbook from the 60s, this circuit makes use of period components. Special high voltage transistors are used. Zeners are 15 V.
This circuit is from 2001 documentation and consists of a small FM transmitter with two inputs, one...
This amplifier, of excellent quality, provides a power of 40 W IHF, or 22 W RMS, in a load of 8...
The input of this regulator can be between 7 and 12 V and the output is 5 V. The circuit is from...