SIT9005ACU1H-XXDG

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Programmable oscillators are electronic components that produce the signal frequencies required by computers and other electronic devices. SIT9005ACU1H-XXDG is one kind of programmable oscillators, which has wide application fields and interesting working principle.

SIT9005ACU1H-XXDG was developed by company G, it is a high-performance, low-phase-jitter programmable crystal oscillator, with a frequency resolution accuracy of +/-100ppm. It is peak to peak jitter less than 2ps, the phase noise is around -130dBc/Hz. The frequency range of this oscillator is from 400KHz to 3.2GHz, and it has extremely tight frequency stability of +/-25ppb.

It has many applications in television and high-speed Internet communications. It is often used as a reference clock in fiber optic modems, wireless base stations, satellite amplifiers, server and telecom systems. Its small size, low power consumption and wide frequency range make it a great choice for demanding applications in these fields.

Moreover, its working principle is interesting. It relies on a feedback loop to provide the frequency stability needed for applications that require precise timing. The basic structure consists of a crystal oscillator and a divider circuit. The frequency of the crystal oscillator is divided down to a lower frequency and sent to a phase detector, which compares the divided frequency to a reference frequency. The output of the phase detector feeds back to the crystal oscillator to adjust its frequency, so as to achieve frequency stability.

To sum up, SIT9005ACU1H-XXDG is a kind of high-performance, low-phase-jitter programmable crystal oscillator with interesting working principle, which has wide application fields such as television and high-speed internet communications.

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