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.
This circuit can use any general purpose NPN transistor and the accuracy depends on the tolerance of...
This circuit was obtained in a 1981 documentation. The warning system for this circuit consists of an...
This FM transmitter was found in a 1997 magazine but can still be easily assembled. 18-wire in the...