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[moj-uh-ley-ter] /ˈmɒdʒ əˌleɪ tər/
a person or thing that modulates.
Telecommunications. a device for modulating a carrier wave.
Origin of modulator
1490-1500; < Latin modulātor; see modulate, -tor Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for modulator
Historical Examples
  • He never gives on the modulator an ascending passage which begins below this G.

    The Boy's Voice J. Spencer Curwen
  • The boys can all read from the Sol-fa modulator, and Mr. Breden gives them ear-tests.

    The Boy's Voice J. Spencer Curwen
  • In this latter figure you will notice a small air-core coil, LR, between the oscillator and the modulator tube.

  • Now there are three different ways that the microphone and its modulator can be connected in circuit.

    The Radio Amateur's Hand Book A. Frederick Collins
  • In modulator practice, and as far as possible in pieces of music, he keeps the trebles above .

    The Boy's Voice J. Spencer Curwen
  • The result is, it does not let the alternating currents of the oscillating tube flow into the modulator.

  • So Lockley flipped the modulator switch and turned on the instrument.

    Operation Terror William Fitzgerald Jenkins
  • That is, it has too little impedance to act like LA and so it permits the modulator to vary the output of the oscillator.

  • A minute force becomes the modulator of a much greater force, and thus from imperceptible becomes conspicuous.

  • As the magnetic modulator does the same thing a vacuum tube used as a modulator is not needed where the former is employed.

    The Radio Amateur's Hand Book A. Frederick Collins
Word Origin and History for modulator

c.1500, from Latin modulator, literally "one who modulates" in various senses (e.g. "musical director"), agent noun from past participle stem of modulari (see modulation). Meaning "device that produces modulation of a wave" is from 1919.

Online Etymology Dictionary, © 2010 Douglas Harper
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