This circuit uses an unusual operational amplifier nowadays and has a very low consumption. The number in parentheses corresponds to the second channel, for a stereo version.
An FM receiver with good sensitivity and with acceptable sound quality in the strongest stations, can...
Exciting a sequential circuit with the output of a stereo we can make a set of lamps run at a...
The circuit shown was found in American documentation from the 1990s. The transistor can be of any...