SI5335B-B02041-GM

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The SI5335B-B02041-GM is a high-resolution programmable clock generator, or frequency synthesizer, designed to offer customers with flexibility and precision in clock synchronization and duplication. Capable of producing frequencies up to 800MHz with a 1.25ps jitter profile, it is an ideal choice for wireless communications, high-frequency switching, and base station and telecommunication applications that require fast, reliable clock/timing generation.

This clock generator can generate two independent outputs operating on voltage controlled oscillator (VCO) bands 25-1250MHz or 122.88MHz and above. The output can be either differential or single-ended, and users can configure the VCO and output frequencies via the I2C bus, without the need of additional components. It also features an output power-down mode for further power savings, and come pre-programmed for nine different frequencies.

The SI5335B-B02041-GM is paired with the low jitter CFS25 Ultra Loop Synthesizer® with an integrated phase-locked loop (PLL) for enhanced phase noise performance, helping achieve better phase and frequency stability. The PLL consists of four main stages, each providing a specific function: The Reference Clock input, the VCO, the Phase/Frequency Detector (PFD), and the Charge Pump. These components are used to keep two clock signals in sync by continuously tweaking the VCO to output a frequency that is the same as the input reference clock signal.

But the SI5335B-B02041-GM doesn’t rely solely on its integrated PLL. It also uses on-chip frequency divider logic to divide down the clocking signal, giving users the flexibility to create multiple clocks in different frequencies from a single reference clock. This can be used to create clocks for virtually any communications application, from Ethernet to cellular 4G LTE.

Finally, the SI5335B-B02041-GM also features an on-chip frequency-hopping spread spectrum (FHSS) mechanism. This allows small-step frequency changes to be applied to the output clock signal in a controlled, random fashion, making it more difficult for malicious users to detect the output signals. This feature is essential for communications applications, such as Wi-Fi systems, where signal detection by outside interference is a common worry.

The SI5335B-B02041-GM is an excellent choice for anyone looking for an advanced, programmable clock generator that offers precise, low jitter clocking capability as well as frequency hopping spread spectrum to keep signals safe from threat. With its compatible CFS25 Ultra Loop Synthesizer® and its four stage PLL, users get enhanced phase noise performance and better phase and frequency stability.

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