SIT9120AI-2D2-25S133.333300X

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Oscillators are electronic components that generate steady and consistent electrical oscillations when powered by an alternating current. This electrical signal is then used in a variety of applications, such as in radio transmitters, receivers and televisions and as a timing element in computers. The SIT9120AI-2D2-25S133.333300X is an example of an oscillator that is used in a variety of applications.

Application Field

The SIT9120AI-2D2-25S133.333300X is designed to provide a stable and reliable source of frequency for a range of applications, including radio frequency and microwave signal generation, pulse and fixed-frequency signal generators, sinusoidal signal generators, frequency synthesizers, frequency converters, and communication and navigation systems. Its frequency stability of 2ppm (parts per million) makes it especially suitable for applications that require very precise frequency control.

Working Principle

The SIT9120AI-2D2-25S133.333300X is a YIG-tuned oscillator. A YIG (yttrium iron garnet) sphere is mounted on a single-layer ceramic capacitor, which is then connected in a parallel LC circuit. The YIG sphere acts as a frequency-dependent variable capacitor, allowing the oscillator to resonate at its pre-set frequency. This resonance is maintained by a feedback loop that is connected between the oscillator output and the YIG sphere.

To ensure that the frequency remains consistent, an automatic frequency stabilization system is implemented in the oscillator. This system uses a shortwave amplifier and a temperature-controlled oscillator to sense and adjust the oscillator’s frequency automatically. As the temperature of the surrounding environment changes, so does the frequency of the oscillator, but the amplitude remains constant.

Conclusion

The SIT9120AI-2D2-25S133.333300X is an ideal choice for applications that require precise frequency control. Its YIG-tuned oscillator and automatic frequency stabilization system ensure that its frequency remains consistent and stable over time, making it suitable for a range of applications in radio frequency and microwave signal generation, communication and navigation systems, and other applications that require high-precision frequency control.

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