SI5344H-D-GMR

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The SI5344H-D-GMR application field and working principle are as follows. The SI5344H-D-GMR is a clock generator and Frequency Synthesizer, ideal for synchronization and networking applications. It can take up to four reference and output clocks, multiple independent outputs, and can use AC coupled inputs to maintain clock synchronization without the need of crystal oscillators. This makes the SI5344H-D-GMR especially suitable for any point-to-point or point-to-multipoint synchronization applications, such as telecom and data communications, broadcast, video and audio devices.

The device utilizes a low jitter, state-of-the-art voltage-controlled oscillator (VCO) section, to achieve other clock frequencies from the reference clock sources. The multi-loop fractional-N phase-locked loop (PLL) uses multiple section loop filter technique to achieve its low jitter characteristics. It employs a 4-PLL architecture with a 4GHz VCO and digital phase noise canceller to generate a wide variety of outputs for different reference input frequencies and phase-locked loop control to precise frequencies via the integrated I2C interface.

The SI5344H-D-GMR is an advanced multiple-output clock oscillator which can produce up to 8 clock outputs, with frequencies varying from several hundred kHz to over 4 GHz. Its output also includes clock synchronization quality, skew, jitter and holdover performance. The device’s low-jitter, high-stability outputs include multiplexed return-to-zero (RZ) outputs, as well as pulse-width modulation (PWM) outputs, for applications that require low-bypass phase noise.

The SI5344H-D-GMR features a user programmable reference oscillator, which allows users to specify the exact reference signal frequency needed. It also includes a flexible reference clock input, which supports multiple high-stability clocks with a wide frequency range (1MHz to 400MHz), as well as two independent input reference ports. This allows the SI5344H-D-GMR to be used with a wide variety of reference clocks, including crystal ovens, oven-controlled crystal oscillators, fiber rings, and small signal sources such as DC Oscillators.

The SI5344H-D-GMR also employs a multi-loop fractional-N Phase-Locked Loop architecture to produce its low jitter outputs. The device\'s Phase Locked Loop (PLL) architecture is configured with very low implementation jitter and is designed specifically for high-performance clock synchronization applications. This eliminates the need for an external PLL, saving board space and reducing hardware cost.

The SI5344H-D-GMR also supports programmable authentication of frequency and outputs. This can be utilized for Tamper Protection, which prevents unauthorized access or changes within the device or system. The device also supports automated calibration and re-calibration functions, to maintain accuracy of output clocks.

In conclusion, the SI5344H-D-GMR is a highly advanced clock generator and frequency synthesizer, ideal for synchronization and networking applications. Its multi-loop fractional-N PLL architecture provides low jitter, stable outputs, and its wide range of features, such as programmable authentication and calibration, make it a suitable choice for high performance clock synchronization requirements.

The specific data is subject to PDF, and the above content is for reference