SI5380-D-EVB

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Evaluation boards and kits are important resources to ensure a systematic approach in understanding how to best select, and design with, any integrated circuit of choice. The SI5380-D-EVB is an excellent example of such a product and is used to assess performance of the SI5380 family of clock generators. This report briefly discusses the application field and working principle of the SI5380-D-EVB.

Application Field

In any systems requiring digital transmissions, the jitter of the clock reference is one of the key features for a successful and reliable interface. The SI5380-D-EVB is particularly useful for evaluating the clock jitter performance of the SI5380 family of digital clock generators. The SI5380 family of devices consist of both fixed-frequency and programmable versions in a variety of package types with a range of supply voltage and frequencies. This versatile device is suitable for the frequency tone generation, such as the generation of negative and positive pulse modulation codes, for applications in telecommunications and general digital audio. In addition, the SI5380-D-EVB can be used to evaluate jitter performance of the clocking systems used in Interlaken and Ethernet protocols.

Working Principle

The working principle of the SI5380-D-EVB is based on the dynamic jitter generation and measurement capabilities of the device. This evaluation board allows the user to configure the clock generator with user selectable output frequency, output amplitude, and slew rate, which can be used for performing jitter tolerance tests on the clock inputs of digital systems. The SI5380-D-EVB supports single and dual output clock generation. It also features a configurable low-noise DC power supply and a low-noise DC reference voltage, allowing the user to select their supply voltage. The on-board real-time oscilloscope measures the jitter of the output clock signal. Additionally, the evaluation board provides an on-board jitter meter, allowing the user to rapidly evaluate signal jitter performance both with the real-time oscilloscope and the jitter meter.

Conclusion

The SI5380-D-EVB evaluation board is an important tool in assessing the performance of the SI5380 family of clock generators. It allows the user to assess the clock jitter performance of digital systems, and to evaluate the performance of clocking systems used in Interlaken and Ethernet protocols. The evaluation board offers features such as configurable output frequency, output amplitude, and slew rate, as well as an on-board real-time oscilloscope and jitter meter. The SI5380-D-EVB is a versatile device, suitable for evaluating the jitter performance of a wide range of applications.

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