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Crystal Clock Oscillators
VCXO (short for voltage-controlled crystal oscillator is a crystal oscillator whose output frequency changes in direct proportion to the application of an input control voltage.
TCXO (short for temperature compensated crystal oscillator) contains a sensor that adjusts the output frequency to compensate for variation due to ambient temperature effects on the crystal, used as a frequency reference that is one or two orders of magnitude more accurate than uncompensated XO.
OCXO (short for Oven Controlled Crystal Oscillator) is a technique used for avoiding temperature changes that affect the resonance frequency of a piezoelectric crystal. This is the highest precision quartz frequency reference available. |
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Typical Applications
VCXO: VB-S,SDH/SONET, Phase Lock Loop (PLL) circuits in Telecom Timing Recovery,Wireless Base Station Channel Timing Reference, Fiber Optic Timing Reference
TCXO: Telecom Timing Modules, SDH/SONET,Wireless Systems,Reference Oscillators, Precision Instruments, and other frequency sensitive applicatio ns.
OCXO: Digital switch, Wireless Base Stations, Telecom Timing Modules, and Precision Test Equipment. |
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