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Measuring and Interpreting Impedance Data


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8/22/19 11:00 am to 12:00 pm EST

Event Description

Signal Integrity Webinar Series

Title:  Measuring and Interpreting Impedance Data

Date:  August 22, 2019

Time:  8am PT/ 11am ET

Presented By:  Steve Sandler, Founder of Picotest

Sponsored by:  Rohde & Schwarz


Power integrity engineers have been learning to make VRM impedance measurements to compare to the design goal or “target impedance”. Once the measurement has been performed, it’s important to be able to interpret the data. Is the result good or bad? What do I need to do to improve it? How does the impedance measurement relate to step load response and control loop stability?

As system power levels increase, the impedance levels decrease, making this an even more challenging measurement. Specific steps are required to improve accuracy for impedance measurements in the tens of microOhms. 

This webinar addresses all of these topics, providing you with the ability to perform accurate measurements, analyze the results and relate the impedance to step load response and control loop stability.

Presenter Bio:

Steve Sandler has been involved with power system engineering for nearly 40 years. The founder and CEO of, a company specializing in instruments and accessories for high-performance power system and distributed system testing, Steve is also the founder of AEi Systems, a company that specializes in worst-case circuit analysis for high-reliability industries. Steve also serves as a member of Signal Integrity Journal’s editorial advisory board.

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