MOSFET RF Amplifier (CB9174E)

This circuit for dual-gate MOSFET was found in a 90’s Popular Electronics. The coils are according to the frequency range that must be amplified.

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SCR surge protector (CB8711E)
Found in a 90s nHands On Electronics, this circuit triggers a relay that shuts off the load when...
DC Motor Control 555 (CB24908E)
Another of the many similar configurations we have in this section. This one is from a Radio...
Sound Activated Dimmer (CB24602E)
This circuit for incandescent lamps was found in the January 1980 Radio Elecronics magazine. The...