This circuit may be of interest to restorers of old video equipment. We found it in the Radio Electronics magazine of December 1989.
This simple amplifier with transistors was obtained in a documentation of the 90's requiring a...
The presented circuit uses a symmetrical power source to supply an amplifier with the LM139 or...
This is half of a 4-channel amplifier from a system published in the October 1971 issue of Radio...