This circuit was obtained from Signetics documentation from the 80's. The components used are from that time. The circuit can serve as a basis for repair, maintenance or projects with modern components.
This circuit was obtained from an English magazine from 1976. The circuit operates two LEDs and...
Found in a publication from the 60's, this power supply has no regulation, but only current...
This circuit can use the LM148 and its more modern equivalents, generating a sinusoidal signal whose...