SIT9120AI-2BF-25S212.500000G

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Oscillators

Oscillators are electronic circuit components that produce a continuous output signal without the need of an applied input signal. They are usually used in the signal generation field, but can also be used as frequency dividers, multipliers, and even amplifiers. This article will focus on the use and working principle of the SIT9120AI-2BF-25S212.500000G oscillator.

Application Field

The SIT9120AI-2BF-25S212.500000G oscillator is usually used as a precision timing source in various applications. Oftentimes, these oscillators are used in combination with other components, such as frequency synthesizers, phase-locked loops, pulse-width modulation circuits, and analog-to-digital and digital-to-analog converters. Therefore, these oscillators are considered an integral part of systems that use the signal to provide a precise timing solution to various applications. Additionally, these oscillators can also be used in test and measurement systems, communications networking, medical imaging, and radar and automotive electronics.

Working Principle

The SIT9120AI-2BF-25S212.500000G oscillator produces a sine wave output signal whose frequency is set by an external crystal or unijunction transistor (UJT) circuit. A crystal is usually selected to reduce the noise generated from the oscillator, as this type of oscillator generates several frequencies. Furthermore, the use of a UJT reduces power consumption and size of the oscillator. During operation, electrons from the UJT circuit builds up a voltage across the capacitor, and the voltage signal is sent to the oscillator. Once the voltage reaches its predetermined level, it will trigger an oscillation phase, producing the sine wave output from the oscillator.

Conclusion

The SIT9120AI-2BF-25S212.500000G oscillator is a precision timing source used in various systems, including frequency synthesizers, phase-locked loops, pulse-width modulation circuits, and analog-to-digital and digital-to-analog converters. Its working principle is based on the use of a crystal or UJT circuit to generate a specific voltage level that triggers the oscillation phase within the oscillator, resulting in the production of a sine wave output signal.

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