This static switch circuit or solid-state contactor was found in a Motorola documentation from 1968. The circuit can control a 5 A load with the indicated transistor.
This circuit was found in the March 1994 issue of Electronics Now magazine. The circuit uses a...
This receiver for an audio link by modulated light was found in a 90s Elektor. Transistors are common...
This circuit was found in a 73 magazine for radio amateurs from the 90s. The circuit uses high...