11 to 32 MHz amplifier (CB22024E)

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

Headphone Amplifier (CB24081E)
This circuit is part of a sound system project published in the October 1970 issue of Radio...
Tunnel diode input stage (CB23851E)
In the figure we have an input circuit for a receiver in which conventional transistors were...
Wireless Microphone (CB21923E)
This mid-waveband wireless microphone was found in a Raytheon transistor manual from the 1960s. The...