AN1237: Si5332 Design Guidelines for Minimizing EMI

PublishTime：2021-11-17

■The Silicon Labs’ Si5332 any-frequency, low-jitter, family of clock generators has broad appeal in many different products and markets, including data center，communications,broadcast video,and automotive. Available in both standard industrial (-40C to +85C) as well as automotive (-40C to +105C) grade options, the Si5332 can consolidate entire clock trees into a single device, saving board space, BOM cost, and minimizing quartz elements to increase system reliability.
■System designers are often challenged with mitigating EMI and emissions in a high-speed design to meet internationally recognized standards, such as CISPR and FCCPart15. This application note introduces features within the Si5332 and PCB design techniques that can be implemented to minimize EMI.
■KEY FEATURES
●Clock termination guidelines for best signal performance and minimal EMI.
●Circuit design and PCB layout techniques for minimization of EMI.
●EMI test data using suggested guidelines showing real EMI improvements.
■Introduction
●Designing products from the start with EMI compliance in mind is a much more efficient process than attempting to “fix” compliance issues after a failing design has been built. This document provides design guidelines to help board level circuit and PCB designers cre-ate EMI-optimized Si5332-based designs from the start, thereby increasing the likelihood of quickly securing the required end-product EMI compliance certifications.

Brand of Product：	SKYWORKS
Part#：	Si5332 More Part#
Product Category：	clock generators More
Application：	[ data center ][ communications ][ broadcast video ][ automotive ] More
Data Type：	Application note & Design Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	July 26,2021
Version Number：	Rev.0.1
Data Encoding：	AN1237
Data Size：	1.9 MB

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