Found in a 1966 American publication, this circuit generates a 25 MHz rectangular signal for testing flip-flops. Transistors are from the era. No information is given about L1.
This circuit generates signals with two waveforms. The circuit is from a documentation from the...
This RF wattmeter was found in an American 1980s documentation. The components are common and the...
This circuit was found in a 90s Electronics Now. The circuit can use a TIC106 for the SCR....