This circuit with unijunction transistors was found in a documentation from the 80's. The trigger times of the SCRs depend on the capacitors and are adjusted in the 5M (4M7) potentiometers.
We found this circuit in an old American publication. The circuit is designed to measure the...
The integrated audio amplifier used in this project is not very common today, but more modern...
The circuit presented is from the Motorola Linear Databook of 1990. The integrated circuit is a...