This DC-DC converter was found in old RCA documentation. The circuit operates at 15 kHz. The characteristics of the transformers were not indicated.
This voltage regulator was obtained in the SGS manual of linear integrated circuits of 1982. The...
Using a DAC038 IC this circuit is from Radio Electronics from May 1983. The circuit must be...
This circuit turns off after a time given by capacitor C1. This component can have from 1 to 1,000...