SIT9120AC-2B2-25E155.520000G

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Oscillators, commonly referred to as Crystal Oscillators, are devices used to generate an electrical signal with a well-defined frequency that can be used to control and synchronize the operation of a variety of electronic circuits. In particular, the SIT9120AC-2B2-25E155.520000G oscillator is used in many wireless applications, such as satellite communication, to ensure proper and accurate data transmission.

Application Field

This SIT9120AC-2B2-25E155.520000G oscillator is a quartz crystal oscillator designed for wireless applications. The oscillator has a center frequency of 155.52 MHz, and provides good stability throughout the operating temperature range of -40 to +85 °C. The oscillator also provides excellent phase noise over a wide range of frequencies and short start-up time. It is a highly reliable and cost-effective solution for many applications such as satellite communication, mobile communications, GPS navigation, and short range radio links. The SIT9120AC-2B2-25E155.520000G oscillator is a perfect solution for applications requiring robust performance in extreme condition.

Working Principle

The SIT9120AC-2B2-25E155.520000G oscillator utilizes a quartz crystal to generate an electrical signal at a specific frequency. The quartz crystal is cut in a specific way to have a consistent thickness, whereby it will oscillate when the proper voltage is applied to it. The frequency of the signal is determined by the quartz crystal itself, and is very close to a particular standard frequency. In order to reduce the short-term frequency fluctuations and improve the overall phase noise performance, the crystal is temperature compensated.

Inside the oscillator, the quartz crystal is connected in parallel with a piezoelectric transducer and a series resonant circuit. The series resonant circuit consists of an inductor and a capacitor, which forms an oscillating circuit. The quartz crystal and the piezoelectric transducer form the resonant frequency of the oscillator. The piezoelectric transducer vibrates the quartz crystal at its resonant frequency, and the output of the oscillator is taken from the series resonant circuit.

The oscillator also contains an amplifier to boost the output signal of the oscillator. The amplifier typically consists of two stages, an input stage and a driver stage, that are used to boost the signal. The input stage typically uses an operational amplifier to boost the signal before it is sent to the driver stage. The driver stage is composed of a high gain transistor amplifier that is used to further amplify the signal. The output of the amplifier is then sent to an output buffer, which is used to provide a low impedance output for the oscillator.

The SIT9120AC-2B2-25E155.520000G oscillator is a highly reliable and cost-effective solution for many applications. The oscillator is a perfect choice for applications requiring stable and accurate frequency for data transmission. The oscillator is also an excellent choice for extreme temperature applications due to its temperature-compensated quartz crystal ensuring robust performance. Overall, the SIT9120AC-2B2-25E155.520000G oscillator is perfect for applications requiring high frequency accuracy in wireless communication.

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