Push pull amplifier (CB21941E)

Using a pair of CK722s, this booster step of a few milliwatts of power was obtained in a 1960 Gernsback publication.

Accelerated Sequential with the 4017 (CB12138E)
This circuit is from a 1982 publication. It is a sequential effect of accelerated LEDs. The...
3-voltage monitor (CB21524E)
This circuit was obtained from an Electronic Design from 1964. The components used are from the...
Treble Booster (CB14957E)
This circuit reinforces the treble, working as a booster for instruments or home theater. The...