You searched for: “electromechanical choppers”
electromechanical chopper, contact modulator (s) (noun); electromechanical choppers, contact modulators (pl)
A switch that is used to produce modified square waves having the same frequency as, and a definite phase relationship to, a driving sine wave or a waveform with deviation that can be graphically expressed as the sine curve or a form or shape of a wave (a ripple or undulation).
All electromagnetic radiation, including radio signals, light rays, x-rays, and cosmic rays, as well as sound, behave like rippling waves in the ocean.
This entry is located in the following units: electro-, electr-, electri- (page 43) mechano-, mechan-; mechanico-; machin- (page 1) tang-, tact-, tast-, ting-, -tig -tag, -teg- (page 3)