844256DGLFT

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

844256DGLFT is a high versatile frequency synthesizer mainly used for two-way communication, microwave network systems, flying control and so on. This device has an integrated voltage-controlled oscillator (VCO) which can be easy programmed to cover a wide frequency range from 32MHz to 44GHz. It can produce a 0.01ppm-accurate output frequency synthesized from the reference frequency input. Furthermore, it contains many integrated functional blocks that can help reduce the amount of external components required and the time needed for design.

The 844256DGLFT mainly used in clock/timing applications, including clock generators, phase-locked loops (PLLs) and frequency synthesizers. Due to its high integration, it can efficiently generate clock with different frequencies, provide extremely accurate frequency control, or even eliminate the output jitter. All these advantages make it a great choice for clock and frequency conversion applications.

The working principle of the 844256DGLFT is simple yet powerful. It uses an external frequency reference as an input to the VCO. The VCO frequency is then adjusted accordingly by the digitally-controlled tuning word (DTW). The DTW contains the frequency control data which can modify the output frequency. As a result, the output frequency of the synthesizer can be precisely tuned to the desired frequency.

In addition, the 844256DGLFT contains internal phase-detectors, loop filters, and frequency dividers. These functional blocks can help reduce the external components needed in the design. Furthermore, the phase detectors can detect a difference between the reference frequency and the frequency output from the VCO. The loop filter then creates a control voltage to minimize this difference. Consequently, the VCO frequency is correctly restored to the desired frequency.

All in all, 844256DGLFT offers robust and reliable performance for many clock/timing applications, including clock generators, PLLs and frequency synthesizers. Its low power consumption and wide frequency range make it an ideal solution for these applications. With its integrated functional blocks, it can help reduce the amount of external components and the time needed for design.

The specific data is subject to PDF, and the above content is for reference