SIT8008BCA8-28E

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Programmable Oscillators: SIT8008BCA8-28E Application Field and Working Principle

A programmable oscillator is a type of clock oscillator capable of generating highly accurate clock output frequency over a wide range. The SIT8008BCA8-28E oscillator is a low-power programmable voltage-controlled crystal oscillator (VCXO). It boasts one of the lowest phase noise spectral density and jitter performance in the market, making it an ideal choice for many demanding applications. This article examines the application field and working principle of the SIT8008BCA8-28E.

Application Field

The SIT8008BCA8-28E is an ideal choice for many of today\'s demanding applications. It is widely used in optical access, telecommunication, datacomm, industrial and military systems, aerospace and avionics, as well as test and measurement solutions due to its superior low phase noise spectral density and low jitter performance. It is especially well-suited for high-performance clocking systems, such as frequency synthesizers, clock distribution and clocking for advanced protocol conversion where it offers remarkable stability and accuracy of performance.

Working Principle

The SIT8008BCA8-28E has an internal Digital to Analog Converter (DAC) that allows for a wide range of frequency adjustment. The frequency adjustment is accomplished by providing a low voltage (up to 10V) on the frequency adjustment pin. This pin drives the DAC internally, which allows for accurate and small adjustments to the output frequency.

In addition to the frequency adjustment, the SIT8008BCA8-28E also supports different output configurations, such as CMOS, LVDS, LVPECL, and HCSL. By changing the configuration jumper the user can modify the output frequency, voltage, and duty cycle. This provides flexibility, allowing the user to select the most suitable configuration for their application.

The SIT8008BCA8-28E is also equipped with a pull-range selection feature, which offers low-noise operation with pull range selection up to ±50ppm or even better. This allows for operation in the most extreme environments and for reliable and accurate performance.

The SIT8008BCA8-28E is an ideal choice for many clocks and timing needs. Its superior low phase noise spectral density and low jitter performance make it well-suited for high-performance clocking systems. Its flexibility of output configuration, pull-range selection, and frequency adjustment features enable reliable operation in the most demanding applications.

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