This static switch or triac contactor was obtained from Philips 1969 documentation. The SCR is from the era, but modern equivalents depending on the load can be used.
The sensitivity of this circuit depends on the 22 M resistor. The circuit is from old Texas...
Datasheet of This amplifier uses a pair of complementary transistors at the output and can provide 1 W of...
This circuit was obtained in a French documentation from 1981 and can be easily assembled. The...