Phase and amplitude can be controlled in this circuit found in the May 1988 Radio Electronics magazine. The circuit requires a symmetrical power supply.
This circuit was obtained from a Radio Electronics from the 90's. It can generate signals up to a...
Found in a General Electric documentation from 1970, this circuit consists of a relaxation...
This circuit, from a former publication of 1968 was originally designed for germanium transistors, but with the...