This small regulated power supply was found in a 1963 General Electric documentation. The special zener diode transistor can be replaced with an equivalent discrete configuration.
We found this circuit in an old documentation for hams. In it we have the way to use a varicap to...
This circuit is part of an article published in the March 1990 issue of Radio Electronics...
) Other operational amplifiers series, such as the MC34072, MC34074, MC35071, MC35072, MC35074 or...