This circuit was found in a 1977 documentation. It limits the voltage from a source using zener diodes on the rectifier bridge. It is an unusual configuration today.
With calibrated RV1 it is possible to find a zener diode voltage. The integrated circuit is 0 741...
This power supply was originally created for the CB16760E (Loudness System) but can be used in any...
This car turn signal circuit was found in the April 1969 issue of Radio Electronics magazine. The...