11 to 32 MHz amplifier (CB22024E)

Found in an old English publication this circuit uses a dual gate MOSFET. Coils not specified.

Telephone Call Sign (CB16888E)
The presented circuit activates a relay when a telephone call occurs. The relay can be used to...
SIDAC Gas Stove Lighter (CB12544E)
SIDACs are not yet common components in power applications that involve voltage tripping. However,...
Optical Isolator and AC Trigger Power Switch (CB12414E)
This solid-state relay (SSR) or shield was found in a 1995 Electronics Now. The transistor can be...