SI4123-D-GM

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The SI4123-D-GM is a monolithic integrated circuit designed for use as a Clock/Timing clock generator, phase-locked loop (PLL), and frequency synthesizer. This device uses a programmable oscillator to generate an output clock signal that is accurately synchronized with an external reference clock. The SI4123-D-GM can be used in a variety of applications, including cellular basestations, military communications, point-to-point radio links, timing system synchronization, and various other frequency generation applications.

The SI4123-D-GM’s programmable oscillator allows users to program the output frequency in 0.25% increments and allows frequency tuning of up to 2.5GHz. This enables the SI4123-D-GM to accurately produce a wide range of frequencies. The output signal is generated using a Phase-Locked-Loop (PLL) that is synchronized to a reference signal using a feedback loop. The PLL locks the output signal to the reference signal, resulting in a stable and accurate clock signal.

The SI4123-D-GM also features numerous outputs for a wide range of clock and timing needs. These outputs include high-speed clock, differential clock, LVDS, XAUI, LVPECL, and HCSL, as well as an output for a reference signal. These outputs can be adjusted using a variety of programmable features, including clock frequency, output format, and output drive strength.

The SI4123-D-GM can also be configured to operate in either the frequency range or extended range. The frequency range mode provides clock frequencies up to 2.5GHz, while the extended range mode provides frequencies up to 5GHz. In addition, the device can also be locked to an external reference clock, ensuring accuracy within 0.4ppm.

The SI4123-D-GM is an excellent choice for applications requiring accurate and reliable clock and timing signals. Its programmable oscillator and PLL enable the device to produce a wide range of frequency outputs while its output formats enable flexible clock distribution. In addition, its extended range mode provides clock frequencies up to 5GHz, making the SI4123-D-GM ideal for a variety of frequency generation applications.

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