Found in Philips documentation from 1968 this circuit operates at frequencies up to 10 MHz with 76 dB gain. The double transistor can be replaced by a matched pair.
This circuit was obtained from a 1971 Electronics Hobbyist. The circuit can still be mounted using...
We found this circuit very simple in an old documentation. The relay is high voltage sensitive, but...
Molex discrete wiring and cabling solutions with applications in consumer electronics, commercial...