This bench circuit was found in the February 1998 issue of Electronics Now magazine. It can be used to obtain a very wide range of capacitances for testing.
This automatic control for recording signal level was found in a Radio Electronics from September...
This switched-mode circuit was found in the April 1976 issue of Radio Electronics magazine. The...
This circuit, from a 303 Circuits from the 90s, uses a telephone pickup coil as a sensor to...