This General Electric circuit, in a documentation from the 1960s, allows the use of high resistance resistive sensors with unijunction transistors in a relaxation oscillator.
We found this circuit in a 1997 documentation. Power transistors must have good heat sinks. The...
This old circuit is from the era of analog televisions, serving for technicians to make...
e find this circuit in documentation for radio amateurs of 1974. The unijunction transistor can be...