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frequency modulated oscillator

См. также в других словарях:

  • Frequency modulation — See also: Amplitude modulation In telecommunications, frequency modulation (FM) conveys information over a carrier wave by varying its frequency (contrast this with amplitude modulation, in which the amplitude of the carrier is varied while its… …   Wikipedia

  • Frequency deviation — (Δf) is used in FM radio to describe the maximum instantaneous difference between an FM modulated frequency and the nominal carrier frequency. The term is sometimes mistakenly used as synonymous with frequency drift, which is an unintended offset …   Wikipedia

  • Frequency modulation synthesis — In audio and music frequency modulation synthesis (or FM synthesis) is a form of audio synthesis where the timbre of a simple waveform is changed by frequency modulating it with a modulating frequency that is also in the audio range, resulting in …   Wikipedia

  • Numerically controlled oscillator — A numerically controlled oscillator (NCO) is a digital signal generator which creates a synchronous (i.e. clocked), discrete time, discrete valued representation of a waveform, usually sinusoidal.[1] NCOs are often used in conjunction with a… …   Wikipedia

  • Numerically-controlled oscillator — A numerically controlled oscillator (NCO) or digitally controlled oscillator (DCO) is an electronic system for synthesizing a range of frequencies from a fixed timebase. The name is an analogy with voltage controlled oscillator . Note: the term… …   Wikipedia

  • Voltage-controlled oscillator — A voltage controlled oscillator or VCO is an electronic oscillator designed to be controlled in oscillation frequency by a voltage input. The frequency of oscillation is varied by the applied DC voltage, while modulating signals may also be fed… …   Wikipedia

  • Low-frequency oscillation — The term low frequency oscillation (LFO) is an audio signal usually below 20 Hz which creates a pulsating rhythm rather than an audible tone. LFO predominantly refers to an audio technique specifically used in the production of electronic music.… …   Wikipedia

  • Armstrong oscillator — The Armstrong oscillator (also known as Meissner oscillator) is named after the electrical engineer Edwin Armstrong, its inventor. It is sometimes called a tickler oscillator because the feedback needed to produce oscillations is provided using a …   Wikipedia

  • Opto-electronic oscillator — An opto electronic oscillator (OEO) is an optoelectronic circuit that produces repetitive electronic sine wave and/or modulated optical continuous wave signals. An opto electronic oscillator is based on converting the continuous light energy from …   Wikipedia

  • intermediate frequency — In superheterodyne receivers, a frequency resulting from the combination of the received modulated carrier frequency and the locally generated oscillator frequency. An intermediate frequency is so called because it lies between the modulated… …   Aviation dictionary

  • генератор с частотной модуляцией — — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.] Тематики электротехника, основные понятия EN frequency modulated oscillator …   Справочник технического переводчика

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