This circuit is from a Motorola integrated circuit manual. The integrated used is no longer common in our market and the power transistor must be equipped with a heat sink.
Based on the LF256 operational amplifier, this circuit was found in the September 1989 issue of...
This adjustable source from 2 to 15 V uses transistors from the 60's, as indicated in the...
Found in a 90s Popular Electronics, this circuit is intended for amplifying analog video signals....