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Seeing Through the Noise: Reliable Power Rail Measurements in High-Current AI Systems | Signal Integrity Journal
The Challenge: Measurement Uncertainty Obscures VRM Performance Gains Measuring power rail transient performance in response to high current dynamic loading is essential for power…
Picotest and ignal Edge Solutions address TAPI concerns.
You may not have heard of TAPI, but you will. By necessity, testing extreme dynamic transient conditions is becoming more and more common for…
The Challenge of Measuring a 40 µohm, 2000 Amp PDN With a 2-Port Probe: How Much CMRR is Needed?
Benjamin Dannan, Signal Edge Solutions and Steve Sandler, Picotest Published in Signal Integrity Journal A two-part series of posts, firstly determining how much CMRR is needed…
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Automate VRM Testing with Python & SCPI: A Guide for Lab Measurements
Automating VRM Testing Just Got Smarter Manually measuring voltage regulator modules (VRMs) in the lab? That’s yesterday’s workflow. Signal Edge Solutions breaks down how…
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Calibration, Embedding & De-Embedding – Achieving Highly Accurate Impedance Results
OMICRON Lab hosted their 14th Power Analysis & Design Symposium – April 9th, 2025 Watch Steve Sandler discussing how to achieve Highly Accurate Impedance…
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Measuring High Output Voltage Regulator Noise
by Masashi Nogawa and Steve Sandler Published by Signal Integrity Journal, June 14, 2022 New electronic applications, such as electric vehicles, 48 V telecom/data centers, and 240…
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How Can You Measure a HUGE Inductance with DC Bias?
by Steve Sandler Published by Signal Integrity Journal, May 19, 2022 Most DC/DC converters and switching voltage regulators use filter inductors. The inductors we…
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Do you need thick copper layers in PCBs for high currents? Are you sure? A Talk About Power Integrity and PCB Impacts with Steve Sandler and Robert Feranec
by Steve Sandler Published by Signal Integrity Journal, May 19, 2022 Most DC/DC converters and switching voltage regulators use filter inductors. The inductors we…
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The Ultimate Power Rail Noise Measurement
by Steve Sandler Published by Signal Integrity Journal, May 5, 2022 I receive many questions about measuring power rail noise: Do I really need…
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How Oscilloscopes Will Evolve Over the Next 5 Years
Signal Integrity Journal Webinar Series Title: How Oscilloscopes Will Evolve Over the Next 5 Years Date: May 5, 2022 Time: 8am PT / 11am ET Presented by: Steve…
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The Simple Truth about Complex Impedance Probes
by Steve Sandler Originally presented at the 11th Power Analysis & Design Symposium (Live Virtual Event), March 9, 2022 Picotest Power Integrity continues to…
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Ask the Experts: Getting Power Integrity Right
The push to minimize device size, with lower voltages and higher frequencies, means power quality is more important than ever. The higher density this…
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Signal Integrity Journal – Top 5 Articles of All Time
As rated by reader views, here are the Top 5, Most Read Articles on SIJ. The Myth of Three Capacitor Values By Eric Bogatin, Larry Smith, and…
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Determining FPGA Dynamic Load Current
“A Method for Dynamic Load Current Testing with a Benchtop Power Supply” by Steve Sandler Published by Signal Integrity Journal, February 15, 2022 This…
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How Fast is the Switching Speed of a GaN Switch?
by Steve Sandler Published by Signal Integrity Journal, January 25, 2022 How fast is the world’s fastest GaN switch? It is an interesting question,…
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Measuring the Bulk Dielectric Constant (Dk) on a Microstrip with a TDR
by Benjamin Dannan and Steve Sandler Published by Signal Integrity Journal, January 11, 2022 Most modern circuit designs depend on accurate logic signals at the logic…
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How Can You Determine the Turns Ratio of a Power Transformer in a Sealed DC-DC Module?
by Steve Sandler Published by Signal Integrity Journal, December 28, 2021 I do not know if there was a legitimate reason for this request,…