High current buffer (CB7280E)

Suggested by Popular Electronics, it is a digital amplifier, for pulses with frequencies up to a few megahertz.

Home security monitor (CB8960E)
This circuit was found in a 1980s American documentation. The circuit is based on integrated CMOS 4001...
Gas and Smoke Leak Detector (CB4885E)
The sensor component used in this project is not common today as it is an 80's design. The circuit...
Dimmer with clipping (CB7211E)
This circuit was found in the 1969 RCA thyristor manual. The circuit has a limiter (clipping) with two 12...