---
title: "Discussion on \"Via Stub Effects and Back Drilling in High-Speed PCBs: An SI Fundamental Every Hardware Engineer Should Know\" | Hashnode"
description: "Discussion on \"Via Stub Effects and Back Drilling in High-Speed PCBs: An SI Fundamental Every Hardware Engineer Should Know\". A practical guide to via stub effects and back drilling in high-speed PCB design. Learn how stub length affects signal integrity, when back drilling is required, and how to choose between back drilling and blind/buried vias. Based on AnyPCBA's small-to-medium volume manufacturing experience."
url: "https://hashnode.com/posts/via-stub-effects-and-back-drilling-in-high-speed-pcbs-an-si-fundamental-every-hardware-engineer-should-know/6ac84c02cb2acc82ab001674"
---

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# [Via Stub Effects and Back Drilling in High-Speed PCBs: An SI Fundamental Every Hardware Engineer Should Know](https://anypcba.hashnode.dev/via-stub-effects-and-back-drilling-in-high-speed-pcbs-an-si-fundamental-every-hardware-engineer-should-know?utm_source=hashnode&utm_medium=feed)

A practical guide to via stub effects and back drilling in high-speed PCB design. Learn how stub length affects signal integrity, when back drilling is required, and how to choose between back drilling and blind/buried vias. Based on AnyPCBA's small-to-medium volume manufacturing experience.

Oct 9 · 6 min read · anypcba.hashnode.dev  
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## Written by

[Maggie‌ Wang](https://hashnode.com/@maggiepcb)

@maggiepcb

  
[View profile](https://hashnode.com/@maggiepcb)

PCB & PCBA Solutions for Global Clients | China-Based

PCB manufacturing professional with 10+ years of experience. Working at AnyPCBA, serving global clients with PCB fabrication & assembly. DM for inquiries. https://www.anypcba.com/

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