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About > Business Introduction > Crystal Oscillator

Crystal Oscillators

 Clock Oscillators
Quartz crystal oscillators are comprised of a crystal unit and an inverting amplifier; and emit a stable frequency when subjected to a specific voltage. Quartz crystal oscillators are a simple means of providing the clock generators used for information processing in office automation and other electronic equipment.

 Temperature Compensated Crystal Oscillators (TCXOs)
A temperature compensated crystal oscillator (TCXO) compensates the frequency-temperature characteristics of the crystal unit using a temperature compensation circuit to provide a highly stable output frequency. They are mainly used as reference signal sources in the radio frequency circuits of cellular phones.

Main Applications

Clock oscillators for
office automation equipment

TCXOs for
mobile phones

 Structure and Characteristics

Clock Oscillator Circuit

TCXO Block Diagram

 

TCXO Temperature Characteristics


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