SIT9120AC-2D1-33E166.000000X

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Crystal oscillators have long been used to generate highly precise and stable timing signals in electronic devices, and the SIT9120AC-2D1-33E166.000000X is no exception. The device is a small and inexpensive surface-mounted crystal oscillator, ideal for any device that requires reliable timing signals. This article will explain the different application fields and working principles of the SIT9120AC-2D1-33E166.000000X.

Application Fields

The SIT9120AC-2D1-33E166.000000X is primarily used for timebase-based applications. Its operating frequency is 39.3216 MHz, and it has a frequency stability of ± 0.200 ppm (parts per million). The SIT9120AC-2D1-33E166.000000X is especially well-suited for timing and synchronization in Bluetooth devices and other low power radio systems, as well as digital television and other satellite communication equipment. It can also be used for automotive applications and industrial control systems.

Working Principle

The design of the SIT9120AC-2D1-33E166.000000X is based on the principle of Piezoelectricity. Piezo crystals are crystals, such as quartz, which have the ability to generate a electrical charge when subjected to mechanical stress. When an alternating electric field is applied to the crystal, it vibrates at a specific frequency determined by its size and shape. These vibrations cause the crystal to produce a constant frequency oscillation.

The SIT9120AC-2D1-33E166.000000X utilizes an AT-cut quartz crystal to generate a voltage controlled oscillator circuit (VCXO). This oscillator produces an output signal which is used to drive the circuit. The output signal can be adjusted to meet specific requirements by using an external resistor to control the amount of current in the circuit. The frequency of the oscillator is then determined by the crystal\'s physical properties.

The SIT9120AC-2D1-33E166.000000X features an integrated voltage regulation circuit which provides additional frequency stability. The device also uses an on-board phase detector circuit to detect the phase of the oscillator and adjust the output frequency accordingly.

Conclusion

The SIT9120AC-2D1-33E166.000000X is a small, inexpensive crystal oscillator ideal for use in timing and synchronization applications. It utilizes the principles of Piezoelectricity and a voltage controlled oscillator circuit to generate a stable, constant frequency. The device is well-suited for use in Bluetooth devices, digital television equipment, automotive applications, and industrial control systems.

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