This circuit is from a documentation about the MC1723, Motorola equivalent of the well-known 723. The transistor admits equivalent and must be mounted in a good heat sink.
This simulation shows how a transistor can be used as a switch turning on and off in the LED. The...
This circuit was obtained in an English publication of 1975. It is a circuit that stabilizes an...
This is a common circuit in the 1990s, when experimental FM transmitters were in vogue. The...