This circuit is for analog TV video signals and was found in the March 1988 issue of Radio Electronics magazine. The circuit uses a Maxim integrated circuit that can still be found.
This circuit was published in the Ideas section of Radio Electronics magazine in August 1983. The...
This circuit was found in a 1966 EEE. It is intended for automatic switching of the measurement range of...
The first transistor can be the BF494 and the other BC548 on this MW radio found in a...