SIT9120AI-1B1-XXS133.300000E

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Introduction to Oscillators:

Oscillators are electronic circuits which generate specific frequencies. This type of circuit are often used as timing references in order to provide a synchronized signal between different parts of a system. They are also used to generate control signals for electronic devices or create sound with a speaker.Different types of oscillators are available for various applications. Different factors such as frequency range, accuracy, loop stability and temperature stability are important in designing an oscillator.

SIT9120AI-1B1-XXS133.300000E Application Field and Working Principle:

The SIT9120AI-1B1-XXS133.300000E is a high performance MEMS Oscillator based on automotive surface mount processes. It is suitable for use in applications requiring very accurate timing references in the automotive industry such as powertrain, navigation, access control, and idle-start systems.

Its operating frequency range is between 220 KHz to 300 MHz and it can deliver supply current up to 400µA. Temperature stability is ± 5 ppm/°C over the full operating temperature range. Connectors are compatible with standard surface mount assembly processes.

Working Principle Of SIT9120AI-1B1-XXS133.300000E:

The SIT9120AI-1B1-XXS133.300000E is a hybrid oscillator which consists of a Micro Electro Mechanical System (MEMS) resonator and a frequency control device. The MEMS Resonator acts as an oscillator, providing the signal which is used to drive the frequency control device. The frequency control device provides the necessary stability to the oscillator\'s output, ensuring it maintains its frequency over a wide range of conditions.

The resonator is constructed using Silicon Integrated Technology\'s (SIT) proprietary Turbo-Poly Si technology. This process results in a very stable resonator with a high level of temperature compensation. The frequency control device consists of three components: a crystal, a voltage-controlled oscillator (VCO) and a charge pump. The frequency of the output signal is determined by the crystal and the VCO. The charge pump is then used to adjust the output frequency in response to operating conditions such as temperature changes.

Conclusion:

The SIT9120AI-1B1-XXS133.300000E is a high performance MEMS Oscillator designed for use in automotive applications. It offers excellent accuracy and stability over the operating temperature range. The oscillator’s working principle involves the use of a Micro Electro Mechanical System (MEMS) resonator and a frequency control device which consists of a crystal, a VCO and a charge pump.

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