Found in a 90’s HAM Radio, this circuit is used for an optical communications system or even audio transmission by optical fiber. The components are common.
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...