This circuit is intended to switch high frequency antennas using common diodes. The circuit is from an 80's documentation appearing in other versions in this same section of the site.
This RF circuit measures transmission power from 0.25 W to 10 W. The maximum frequency depends on...
Found in a 1970 American publication, this circuit uses transistors of the time. These transistors...
This microphone circuit was found in a collection of American 80's layouts, using operational...