
Crystal Oscillator Frequencies
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High Quality Content by WIKIPEDIA articles! Crystal oscillator circuits are often designed around relatively few standard frequencies, such as 3.58 MHz, 10 MHz, 14.318 MHz, 20 MHz, 33.33 MHz, and 40 MHz. The popularity of the 3.58 MHz and 14.318 MHz crystals is due to low cost caused by economy of scale, since they are used for television color receivers. Using frequency dividers, frequency multipliers and phase locked loop circuits, it is practical to derive a wide range of frequencies from one reference frequency. Crystals can be manufactured for oscillation over a wide range of frequencies,...
High Quality Content by WIKIPEDIA articles! Crystal oscillator circuits are often designed around relatively few standard frequencies, such as 3.58 MHz, 10 MHz, 14.318 MHz, 20 MHz, 33.33 MHz, and 40 MHz. The popularity of the 3.58 MHz and 14.318 MHz crystals is due to low cost caused by economy of scale, since they are used for television color receivers. Using frequency dividers, frequency multipliers and phase locked loop circuits, it is practical to derive a wide range of frequencies from one reference frequency. Crystals can be manufactured for oscillation over a wide range of frequencies, from a few kilohertz up to several hundred megahertz.