SIT9005ACT2D-XXDD

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Programmable oscillators are electronic devices used to generate periodic signals with a wide range of frequencies, rise and fall times with very tight tolerance. Oscillators come in various types and their applications vary depending on the frequency and output characteristics. One such programmable oscillator that is highly customizable is the SIT9005ACT2D-XXDD.

The SIT9005ACT2D-XXDD is a digitally programmable oscillator that has a frequency from 1 MHz up to 100 MHz, a temperature stability of ±25 ppm, and an output signal of 3.3 V or 2.5 V. This device offers superior phase noise performance and low dropout current (475 µA). The programmable phase-locked loop (PLL) oscillator on the device utilizes a low phase noise loop configuration that allows the SIT9005ACT2D-XXDD to operate over a wide range of frequencies with minimized phase noise figure of merit. The integrated digital control allows flexibility of settings with resolution as low as 1 Hz.

The SIT9005ACT2D-XXDD is well-suited for a wide range of applications such as communications, jamming, radar systems and automotive applications. In communications, the oscillator is used to generate clock signals for modems and other digital data systems. They are ideal for jamming because they provide a low noise figure, enabling jamming transmitters to maintain a low noise floor in order to mask signals from enemy forces. They are also used in radar systems to provide a highly accurate signal from which radar data can be obtained. The device has also been used in automotive applications for powertrain, brakes and Advanced Driver Assistance Systems (ADAS) due to its low-power features.

The SIT9005ACT2D-XXDD works on a closed loop architecture. In this topology, an oscillator generates a clock frequency that is used as a reference source, while also providing a stable output frequency. The generated signal is then compared to the reference signal in order to detect any frequency or phase differences. The output level of the error signal is then adjusted using a digital phase-locked loop (DPLL) block to ensure the lowest error signal possible.

The SIT9005ACT2D-XXDD also comes with a variety of programmable features, including a reference Clock Select, Duty Cycle Adjustment and Reference Clock Multiplier. These features allow the oscillator to be tailored to a particular application’s requirements. It also includes power-saving features such as Power-Save and Sleep Modes that help reduce power consumption in order to extend battery life in battery-powered applications.

In conclusion, the SIT9005ACT2D-XXDD is a versatile, low-power programmable oscillator with a wide range of features. Its low phase noise, low current draw and wide range of frequency settings make it a great choice for a variety of applications. The ability to customize the output signal and program various features make it an even more attractive choice for advanced applications in communications, jamming, radar systems and automotive applications.

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