This circuit for analog video signals was found in the August 1970 issue of Radio Electronics magazine. The circuit is used to drive two video inputs from one signal.
Found in American documentation from the 90s, this circuit uses common FETs. It has a range drift...
This circuit is both simulation of the operation of a diode bridge and a test circuit for this...
Found in American documentation, this circuit for modulated infrared signals can be tuned to a...