the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > device for reducing ripple
smoothing circuit1940
smoothing choke1941
smoothing filter1941
smoothing capacitor1959
1941 P.O. Electr. Engineers Jrnl.34 118/1 With the development of floating battery power supply systems in telephone exchanges and repeater stations, there is a considerable demand for smoothing chokes.