4093 Sine Square Converter (CB26335E)

Found in a Popular Electronics from the 90s, this circuit operates up to about 5 MHz input.

Power Flasher 2 (CB12995E)
In the circuit shown in the figure, we add a capacitor (C2) and a resistor (R4) at the base of the...
Time Base (CB24704E)
Indicated for calibrating digital instruments and circuits, this circuit was found in the June...
11 to 32 MHz amplifier (CB22024E)
Found in an old English publication this circuit uses a dual gate MOSFET. Coils not specified....