SIT9005ACR2G-28DN

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Programmable oscillators are clock and timing devices that can be used in a variety of applications. They are used when clock signals must be customized to fit specific applications, providing more flexibility and accuracy than fixed oscillators. They have the added benefit of being programmable from the user, allowing for quick and easy adjustment of the clock without costly hardware changes. The SIT9005ACR2G-28DN is one such programmable oscillator. It is a high frequency, low jitter, low power device designed for a range of applications.

The SIT9005ACR2G-28DN has a wide frequency range of 28 MHz to 900 MHz, making it well suited for a variety of applications including data communications, cellular communications, RF and microwave, industrial, automotive and military applications. It is capable of being programmed in a variety of different ways and provides excellent jitter performance. One of the key features of this oscillator is its low power consumption, which makes it ideal for handheld applications.

The SIT9005ACR2G-28DN is a highly accurate 4-MHz programmable oscillator, providing low phase noise and jitter performance. It is designed to operate with a 3.3V or 2.5V supply and provides an external digital control interface for programming. It operates in various modes to provide stable output frequency and accurate phase-noise performance. Operating in steady-state mode, it can be programmed via the integrated control interface. In active-state mode, it can be programmed through an external JTAG interface, allowing for easy configuration of the parameters.

In terms of functionality, the oscillator has two stage PLL consisting of a frequency synthesizer and a phase frequency detector. The frequency synthesizer is responsible for converting the input frequency to the required output frequency. This synthesizer consists of a voltage controlled oscillator (VCO), frequency dividers for generating reference frequencies, and a programmable frequency translator for translating frequencies. The phase frequency detector compares the input and output signals to generate a difference frequency, which is then used to adjust the VCO. This cycle is repeated to get the desired output frequency.

For applications where high accuracy and low jitter are essential, the SIT9005ACR2G-28DN can be used. It\'s low power consumption makes it ideal for portable applications. This oscillator is highly programmable, allowing users to configure the output frequency range, jitter performance, phase noise and many other parameters. With the ability to operate in various modes, it can be used for a variety of clock and timing applications. Finally, its low phase noise performance makes it well suited for applications such as communication transmission and cellular communication.

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