This circuit generates sinusoidal signals between 300 and 3000 Hz. We find a 303 Circuits from the 90's. The operational ones are types with FET. The power supply must be symmetrical.
The circuit shown uses an unusual operation, but can be replaced by an equivalent, and a FET which...
Indicated for telegraphy practice, this circuit was found in the Radio Electronics magazine of...
January 2017 - The new Texas Instruments LPV801 and LPV802 amps available at Mouser Electronics consume...