This PUT trigger circuit for SCR was found in 1967 General Electric documentation. The programmable unijunction transistor is not a very common component today.
We found this trebble booster circuit in a 1990 documentation. The components are current, and the...
This circuit was found in an 80s Hands On Electronics. It senses the water level in a reservoir by...
This circuit was found in General Electric documentation from the 1980s. The circuit is intended...