This power supply uses a single-winding transformer. We found it in July 1984 Radio Electronics magazine. The integrated circuit must be equipped with a heat sink.
This circuit is from a publication from the 70s. The operational amplifier is from the period. Modern...
We found this circuit in the October 1992 issue of Radio Electronics magazine. The duty cycle can...
This circuit digitally counts input pulses. The circuit from a November 1970 Radio Electronics uses...