Why Do My Square Wave Edges Show Ringing, Overshoot, or Undershoot?

NI VirtualBench Help

Edition Date: January 2017

Part Number: 371526G-01

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You probably have an impedance mismatch. Make sure the system has matched impedances, 50 Ω impedance cables, and a 50 Ω load. Capacitive or inductive loads can cause undesirable square wave ringing, undershoot, or overshoot.

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