This nice function generator circuit with the XR2206 was found in the May 1977 Radio Electronics magazine. The circuit has a transistor output stage.
This circuit is from 2002 documentation. It injects a signal into a power amplifier and measures the...
The integrated circuit used in this project is not the most common. The use of a crystal...
This configuration was found in an American publication from the 90s. Operators admit equivalents just...