# Best Practices for Tying Digital, Analog, and Chassis Grounds in Mixed-Signal PCBs

**URL:** <https://sierraconnect.protoexpress.com/t/best-practices-for-tying-digital-analog-and-chassis-grounds-in-mixed-signal-pcbs/3596>\
**Category:** Design and Layout\
**Tags:** grounding\
**Created:** [September 25, 2025, 1:38pm UTC](https://sierraconnect.protoexpress.com/t/best-practices-for-tying-digital-analog-and-chassis-grounds-in-mixed-signal-pcbs/3596 "2025-09-25T13:38:54Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![timothy.phillips](https://avatars.discourse-cdn.com/v4/letter/t/d78d45/32.png) [@timothy.phillips](https://sierraconnect.protoexpress.com/u/timothy.phillips)\
**Post date:** [October 3, 2025, 5:06pm UTC](https://sierraconnect.protoexpress.com/t/best-practices-for-tying-digital-analog-and-chassis-grounds-in-mixed-signal-pcbs/3596/7 "2025-10-03T17:06:29Z")

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> [@Best practices for grounding USB/high-speed cable shields](https://sierraconnect.protoexpress.com/t/best-practices-for-grounding-usb-high-speed-cable-shields/3579):
>
> For USB or high-speed interfaces, is it better to connect the cable shield directly to PCB ground or through a filtering element such as a ferrite bead?

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