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- Frequency_drift abstract "In electrical engineering, and particularly in telecommunications, frequency drift is an unintended and generally arbitrary offset of an oscillator from its nominal frequency. Causes may include component aging, changes in temperature that alter the piezoelectric effect in a crystal oscillator, or problems with a voltage regulator which controls the bias voltage to the oscillator. Frequency drift is traditionally measured in Hz/s. Frequency stability can be regarded as the absence (or a very low level) of frequency drift.On a radio transmitter, frequency drift can cause a radio station to drift into an adjacent channel, causing illegal interference. Because of this, Frequency allocation regulations specify the allowed tolerance for such oscillators in a type-accepted device. A temperature-compensated, voltage-controlled crystal oscillator (TCVCXO) is normally used for frequency modulation.On the receiver side, frequency drift was mainly a problem in early tuners, particularly for analog dial tuning, and especially on FM, which exhibits a capture effect. However, the use of a phase-locked loop (PLL) essentially eliminates the drift issue. For transmitters, a numerically controlled oscillator (NCO) also does not have problems with drift.Drift differs from Doppler shift, which is a perceived difference in frequency due to motion of the source or receiver, even though the source is still producing the same wavelength. It also differs from frequency deviation, which is the inherent and necessary result of modulation in both FM and phase modulation.".
- Frequency_drift wikiPageID "5439832".
- Frequency_drift wikiPageLength "2497".
- Frequency_drift wikiPageOutDegree "39".
- Frequency_drift wikiPageRevisionID "614626233".
- Frequency_drift wikiPageWikiLink Adjacent-channel_interference.
- Frequency_drift wikiPageWikiLink Adjacent_channel.
- Frequency_drift wikiPageWikiLink Allan_variance.
- Frequency_drift wikiPageWikiLink Analog_signal.
- Frequency_drift wikiPageWikiLink Automatic_frequency_control.
- Frequency_drift wikiPageWikiLink Biasing.
- Frequency_drift wikiPageWikiLink Capture_effect.
- Frequency_drift wikiPageWikiLink Category:Broadcast_engineering.
- Frequency_drift wikiPageWikiLink Category:Communication_circuits.
- Frequency_drift wikiPageWikiLink Compensation_(engineering).
- Frequency_drift wikiPageWikiLink Crystal_oscillator.
- Frequency_drift wikiPageWikiLink Doppler_effect.
- Frequency_drift wikiPageWikiLink Electrical_engineering.
- Frequency_drift wikiPageWikiLink Engineering_tolerance.
- Frequency_drift wikiPageWikiLink Frequency.
- Frequency_drift wikiPageWikiLink Frequency_allocation.
- Frequency_drift wikiPageWikiLink Frequency_deviation.
- Frequency_drift wikiPageWikiLink Frequency_modulation.
- Frequency_drift wikiPageWikiLink Modulation.
- Frequency_drift wikiPageWikiLink Numerically_controlled_oscillator.
- Frequency_drift wikiPageWikiLink Oscillation.
- Frequency_drift wikiPageWikiLink Phase-locked_loop.
- Frequency_drift wikiPageWikiLink Phase_modulation.
- Frequency_drift wikiPageWikiLink Phase_noise.
- Frequency_drift wikiPageWikiLink Piezoelectricity.
- Frequency_drift wikiPageWikiLink Product_certification.
- Frequency_drift wikiPageWikiLink Radio.
- Frequency_drift wikiPageWikiLink Radio_receiver.
- Frequency_drift wikiPageWikiLink Radio_station.
- Frequency_drift wikiPageWikiLink Real_versus_nominal_value.
- Frequency_drift wikiPageWikiLink Telecommunication.
- Frequency_drift wikiPageWikiLink Temperature.
- Frequency_drift wikiPageWikiLink Transmitter.
- Frequency_drift wikiPageWikiLink Tuner_(radio).
- Frequency_drift wikiPageWikiLink Voltage-controlled_oscillator.
- Frequency_drift wikiPageWikiLink Voltage_regulator.
- Frequency_drift wikiPageWikiLink Wavelength.
- Frequency_drift wikiPageWikiLinkText "Frequency drift".
- Frequency_drift wikiPageWikiLinkText "Frequency-stabilized".
- Frequency_drift wikiPageWikiLinkText "drift".
- Frequency_drift wikiPageWikiLinkText "frequency drift".
- Frequency_drift wikiPageUsesTemplate Template:Electronics-stub.
- Frequency_drift wikiPageUsesTemplate Template:Refimprove.
- Frequency_drift wikiPageUsesTemplate Template:Reflist.
- Frequency_drift subject Category:Broadcast_engineering.
- Frequency_drift subject Category:Communication_circuits.
- Frequency_drift type Circuit.
- Frequency_drift type Discipline.
- Frequency_drift type Redirect.
- Frequency_drift comment "In electrical engineering, and particularly in telecommunications, frequency drift is an unintended and generally arbitrary offset of an oscillator from its nominal frequency. Causes may include component aging, changes in temperature that alter the piezoelectric effect in a crystal oscillator, or problems with a voltage regulator which controls the bias voltage to the oscillator. Frequency drift is traditionally measured in Hz/s.".
- Frequency_drift label "Frequency drift".
- Frequency_drift sameAs Q5502869.
- Frequency_drift sameAs m.0dlzzq.
- Frequency_drift sameAs Frekvensdrift.
- Frequency_drift sameAs Q5502869.
- Frequency_drift wasDerivedFrom Frequency_drift?oldid=614626233.
- Frequency_drift isPrimaryTopicOf Frequency_drift.