The original purpose of this circuit, which we find in old American documentation, is to modulate an RF carrier for telecommunications applications. Transistors support equivalents.
This circuit is from the time when cars used contact breakers. This 80's version measures the dwell...
The basic idea of this circuit is to indicate the tolerance of a capacitor by reference to a...
This simple multitester tests continuity, semiconductors, leaks, and other common component...