SM802121UMG-TR

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The SM802121UMG-TR is part of a family of clock generator, PLLs, and frequency synthesizers. A clock generator, PLL, or frequency synthesizer is generally used to create signals that are used to synchronize or control the timing of asynchronous digital circuits.The SM802121UMG-TR is a small, low-cost, IEEE 1588 compliant single-output clock/timing generator. It offers a frequency range from 10 KHz to 800 MHz and is compatible with multiple clock networks, including Global Positioning System (GPS) timing and synchronization networks, Precision Time Protocol (PTP) networks, Ethernet networks, and distributed satellite systems.The SM802121UMG-TR is a fully integrated, complete clock solution that requires no external components. It operates over a wide temperature range and is designed to support both indoor and outdoor environments.In terms of application fields, the SM802121UMG-TR can be used in a variety of clock/timing applications, including telecommunications, computing, avionics, industrial, medical, and consumer applications.In terms of the working principle, the SM802121UMG-TR uses a Phase-Locked Loop (PLL) to lock a generated clock signal to an input reference clock. The PLL is a critical function when working with clock/timing signals and is used for synchronization and establishing timing accuracy.The PLL works by detecting and correcting any difference between the generated clock signal and the input reference clock. This is achieved through a combination of a clock oscillator, phase detector, and a filter. When the generated clock signal is equal to the input reference, the PLL is said to be in a locked state.The SM802121UMG-TR also has a built-in oscillator, which enables the clock generator to generate a clock signal without having to rely on input from an external reference clock. This feature allows the SM802121UMG-TR to be used in applications where the input reference clock is unavailable or unreliable.Overall, the SM802121UMG-TR is a single-output clock/timing generator that is capable of operating over a wide temperature range and providing highly accurate clock/timing signals for a variety of applications. With its Phase-Locked Loop (PLL) design and built-in oscillator, the SM802121UMG-TR is an ideal choice for applications that need reliable and precise clock/timing signals.

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