1946 (U.S. National Defense Res. Comm., Div. 14) 144/1 Sweep circuit or generator, a circuit which produces at regular intervals an approximately linear or circular, or other form of movement (sweep) of the beam of the cathode-ray tube.
1975 D. G. Fink xvi. 29 Sweep generators may also be looked upon as integrators with a constant-amplitude input signal.