SIT3809AC-C-25EY

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Programmable Oscillators are unique devices that offer a wide range of potential applications. One such device is the SIT3809AC-C-25EY, a smart programmable oscillator with ultralow phase noise and an adjustable frequency range. This oscillator is designed for precision frequency control in test and measurement, communications and embedded systems applications.

Overview

The SIT3809AC-C-25EY is a low-phase-noise programmable oscillator used in a variety of applications. It offers a frequency range of 0.9 to 3.2 GHz and a choice of VCO or SAW (single-oscillator-wave) output formats. The oscillator includes an integrated EEPROM that stores a variety of adjustable frequency settings and control data. In addition, the oscillator is capable of self-calibration due to its built-in temperature sensor and auto-correction algorithm.

Functionality

The SIT3809AC-C-25EY is designed to provide precise frequency control and stability in demanding applications. The oscillator features an adjustable frequency range from 0.9 to 3.2 GHz and a low-phase-noise design that reduces interference in the signal. The oscillator also offers a choice of output formats: VCO (voltage-controlled-oscillator) mode with a 16-bit resolution, and SAW (single-oscillator-wave) mode with an 8-bit resolution. The oscillator’s output frequency can be programmed through an easy-to-use interface, and it is also capable of self-calibration based on temperature readings.

Advantages

The SIT3809AC-C-25EY programmable oscillator offers a number of benefits to users. Its low-phase-noise design reduces interference in the signal, while its adjustable frequency range allows for precise frequency control. Additionally, the oscillator’s flexible output formats offer multiple options for different applications. Finally, the self-calibration feature allows for automatic adjustment of the oscillator’s frequency in response to temperature changes.

Application Areas

The SIT3809AC-C-25EY programmable oscillator is suited for a variety of applications. One example is test and measurement equipment, where the low-phase-noise design and adjustable frequency range can help improve accuracy and precision. Other examples include communications and embedded systems applications, such as automotive components and industrial control systems. The oscillator’s low-phase-noise design and self-calibration features also make it well-suited for radio frequency (RF) applications, where precise frequency control and stable performance are essential.

Working Principle

The SIT3809AC-C-25EY operates using a type of phase-locked loop (PLL) circuitry. This circuitry uses an external reference signal, such as a temperature or voltage, to adjust the frequency output of the oscillator. The PLL measures the phase difference between the output signal and the reference signal and then adjusts the output frequency accordingly. The oscillator’s integrated EEPROM stores frequency settings and control data, allowing users to easily program the frequency output of the oscillator.

Conclusion

The SIT3809AC-C-25EY programmable oscillator is a useful device for a variety of applications. Its low-phase-noise design and adjustable frequency range make it well-suited for test and measurement, communications, and embedded systems applications. The oscillator’s self-calibration feature allows for precise frequency control even in environments with fluctuating temperatures. With its many useful features, the SIT3809AC-C-25EY oscillator is an excellent choice for precise frequency control and stability in demanding applications.

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