This circuit is from a 1976 Motorola CMOS manual. It can be implemented with modern Darlingtons like those in the Texas TIP series. The load current depends only on the Darlington transistor.
Found in a Popular Electronics from the 90s, this circuit can be used as an electrifier. T1 can be...
Found in a Philips documentation from 1968, this circuit detects the trimpot set input voltage....
CL88020 is a Next-Generation Device Designed for Offline Lighting CHANDLER, Ariz., July 10, 2017 — A...