crystal filter


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crystal filter

[¦krist·əl ′fil·tər]
(electronics)
A highly selective tuned circuit employing one or more quartz crystals; sometimes used in intermediate-frequency amplifiers of communication receivers to improve the selectivity.
References in periodicals archive ?
A new Surface Mount ("SM") series of military style packaging has been introduced by Wi2Wi Corporation for the Lumped Crystal Filter family of products.
IQD has launched a new custom crystal filter product platform.
Berwick, "Silicon photonic crystal filter with ultrawide passband characteristics," Optics Letters, Vol.
To get around this problem, the researchers use an analog crystal filter, which exploits frequency differences between the modulated waves bouncing off the wall and those coming from the target.
A spectrally tunable source using a conventional lamp and monochromator with a multi-element liquid crystal filter is currently under development (1).
Once on site, fill up a water container, drop in the Thames pump, plug it into the Crystal Filter housing and turn on the tap.
Statistics and forecast of crystal filter market scale, 2003-2009
Limited Tenders are invited for Rfp For Supply Of Crystal Filter Lsb
The pulse generator receives its input from this crystal filter and produces a spectrum of n x 10 MHz multiples, which is the basis for all fixed or standard frequencies in the synthesizer.
Specific areas of interest include evaluation of material constants of quartz and other piezoelectric substances, development of equivalent networks for bulk and SAW resonators, filter crystal and crystal filter design, measurement of circuit parameters of signal processing devices and precision resonators, development of crystal parameter measurement equipment, and growth of high purity quartz.
Crystal filter NRE charges for a 70 MHz design range from $2500 to $8000, including samples.
Mainland China supplies 20 percent of the crystal filter output in the world.