[SOLVED] Controlled Impedance Measurements on PCB

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VJKris

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Hi Sir/Madam,

How to we measure controlled impedance on a PCB?

We design a PCB for 100 or 50 ohm +/- 10% and fabricate it.But how to ensure it is 100 ohm+/-10%.
Basically how to measure the controlled impedance on a PCB differential trace?

Regards,
VJ
 

Just to summarize answer at the link above :


Impedances can be measured using:
• A Network Analyser
• A laboratory Time Domain Reflectometer (TDR)
• A Controlled Impedance Test System (employing TDR techniques)



+++
 

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