SIT1618AE-13-33S-25.000000D

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SIT1618AE-13-33S-25.000000D application field and working principle

SIT1618AE-13-33S-25.000000D is a voltage-controlled crystal oscillator (VCXO) developed and produced by ShenZhen Granzone Technology Co., Ltd. It is available in a wide range of packages，including 3.3/5.0V HCMOS,.This VCXO is suitable for use in a wide variety of consumer, communication and automotive applications, including high-speed computer buses, ADSL Repeaters and so on.

Application fields

The SIT1618AE-13-33S-25.000000D offers superior temperature stability, low jitter performance, wide pull range and low power consumption. It is ideal for use in GPS, Digital Video Broadcasting (DVB) and other applications requiring excellent frequency accuracy and stability. Some applications include:

• PCs, Servers, Notebooks
• Routers, Hubs & Switches
• Network bridges
• Optical network
• DSL & ADSL repeaters
• Digital TVs
• Mobile phones and WLANs
• Industrial & Medical
• GPS

Working principle

VCXOs have an oscillating crystal structure with a frequency-control loop that uses a voltage control input to adjust the frequency. Constituted mainly of an oscillating crystal, voltage control, capacitive coils and others, the oscillator is driven by the voltage control of the crystal.

The oscillation starts when a voltage is applied across the electrodes of the crystal. When the crystal is oscillating, the frequency is determined by the characteristics of the crystals and active components used. The voltage control input is then used to adjust the frequency by controlling a varactor diode capacitance.

The voltage adjustment works by altering the bias on the varactor diode, thereby changing its capacitance and in turn changing the frequency of the oscillator. The applied voltage should stably control the capacitance and frequency of the oscillator over a wide range. This SIT1618AE-13-33S-25.000000D oscillator can meet that requirement.

Conclusion

SIT1618AE-13-33S-25.000000D is a voltage-controlled crystal oscillator suitable for use in a wide variety of consumer, communication and automotive applications. With superior performance, wide pull range and low power consumption, it is a suitable choice for GPS, Digital Video Broadcasting (DVB) and other applications requiring excellent frequency accuracy and stability.

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