This circuit is from Mullard 1969 documentation. The circuit operates at a relatively high supply voltage and has a 10 Vpp output. The transistors are of the time, but admit equivalents.
This solid-state relay (SSR) or shield was found in a 1995 Electronics Now. The transistor can be...
This simple intermittent siren circuit was found in a 1989 documentation. Both the intermittent and...
The circuit presented shows how to use a diode in temperature compensation of a push-pull output...