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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. 2018.
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Examples from the Web for modulator
Historical Examples
  • The boys can all read from the Sol-fa modulator, and Mr. Breden gives them ear-tests.

    The Boy's Voice J. Spencer Curwen
  • So Lockley flipped the modulator switch and turned on the instrument.

    Operation Terror William Fitzgerald Jenkins
  • He never gives on the modulator an ascending passage which begins below this G.

    The Boy's Voice J. Spencer Curwen
  • In modulator practice, and as far as possible in pieces of music, he keeps the trebles above .

    The Boy's Voice J. Spencer Curwen
  • 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
  • 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
  • A minute force becomes the modulator of a much greater force, and thus from imperceptible becomes conspicuous.

  • Depending on the type of modulator used, either the digital (dot-dash) message or a voice message can be sent.

    The Practical Values of Space Exploration Committee on Science and Astronautics
  • In this latter figure you will notice a small air-core coil, LR, between the oscillator and the modulator tube.

  • The result is, it does not let the alternating currents of the oscillating tube flow into the modulator.

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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