416F24012CAR

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Crystals

• 416F24012CAR Application Field and Working Principle

The 416F24012CAR is a crystal oscillator circuit specifically designed for cellular radio communication. It integrates an active bandpass filter and a voltage controlled oscillator (VCO) into a single chip. The crystal oscillation circuit is a high-precision, high-stability frequency source, and is widely used in data communication, satellite communication, radio navigation, and other applications.

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• Application Field

The 416F24012CAR can be used in base stations, terminals, and other equipment in TD-SCDMA and CDMA2000 systems. It contributes to high-precision frequency generation, fast locking, low power consumption and wide temperature range, and is the ideal choice for the frequency source of TD-SCDMA, CDMA2000 and other wireless communication systems.

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• Working Principle

The 416F24012CAR is composed of an active filter, VCO and other related components, and uses a surface mount package. The device works in both constant frequency and variable frequency modes, and includes an active filter, several voltage regulators, dielectric board, four external capacitors, one control voltage and several control bus pins. The filter is composed of several active low-pass, high-pass and band-pass filters. The active filter uses an operational amplifier to drive the crystal and has a stable performance and low temperature drift. The integrated VCO has a wide range of operating frequencies and low power consumption. It uses an LC or RC oscillator, an amplifier and a buffer to oscillate and output signals.

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