Fixing High-Speed Signal Integrity Issues

Overview

Resolving intermittent communication failures caused by signal integrity problems at high data rates.

Technologies

Signal integrity | PCB design | High-speed interfaces | Electronics

Define the Problem

A system using high-speed digital interfaces exhibited communication failures that became increasingly frequent as performance requirements increased.

Diagnose the Root Cause

Detailed analysis identified impedance discontinuities and inadequate termination causing reflections and corruption.

Key engineering challenges included:

• Intermittent behaviour

• High-speed operation

• Multiple signal paths

• Difficult visibility into failures

Deliver the Solution

We redesigned routing topology and termination strategies to maintain controlled impedance throughout the interface.

Key Outcomes

• Restored reliable communication

• Eliminated intermittent failures

• Improved signal margins

• Increased system stability