VG-4231CA 39.3216M-TGRC

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Oscillators are components in electronic circuits that generates a periodic electrical signal at a certain frequency. One type of oscillator is the VG-4231CA 39.3216M-TGRC, which is often used where long term stability and accuracy is needed. Here are its application field and working principle.

Application Field

The VG-4231CA 39.3216M-TGRC is a precision temperature-compensated voltage-controlled oscillator (VCO) for high frequency applications. It can provide a continuous frequency range of 39.3216 MHz while maintaining excellent phase noise performance. It can be used in such applications as communications systems and signal processing as well as in military, industrial, spaceborne, or medical operations.

This oscillator is especially useful in digital demodulation applications, such as in frequency inverters used in avionics equipment, where continuous, accurate operation in extreme temperatures is required. Additionally, it is designed for use in applications requiring ultra-high linearity, low phase noise, and tight temperature stability.

Working Principle

The VG-4231CA 39.3216M-TGRC is a high-performance, integrated electronic component composed of a wide range of active and passive components. It uses a charge-pump to boost the voltage, which causes it to oscillate at the desired frequency. A voltage-variable function is created by using a varactors (which are diodes capable of varying their capacitance with voltage). This allows the oscillator\'s frequency to be Controlled by applying an external voltage.

The oscillators output includes both the signal at the desired frequency and harmonic distortion (higher order frequencies). An RF filter is used to remove these harmonics and improve the signal-to-noise ratio. The temperature stablility of the oscillator is achieved by using a temperature-compensated oscillator, where the frequency is adjusted for the temperature change.

Conclusion

The VG-4231CA 39.3216M-TGRC Oscillator is a precision component designed for use in high frequency digital demodulation applications. It provides excellent accuracy and long-term stability with its temperature-compensated design. It is used in a range of applications, including in avionics, communications, signal processing, industrial, and military operations. Its frequency is controlled by the output of a charge-pump which is regulated by a varactors, and its output signal is filtered to remove unwanted harmonics.

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