Featured Insights
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…
Picotest Pocket TDR Fills Important Niche
A time domain reflectometer (TDR) is generally a large, expensive benchtop instrument that measures impedance, PCB coupons, dielectric constants, PCB signal traces, interconnects, connectors,…
Picotest Releases Line of High-Speed Transient Load Steppers for VRM and PDN Validation
In a major technological leap, Picotest, maker of custom test equipment for power integrity and power systems testing, has released a series of very…
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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,…
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To the Moon and Back
How long does it take to turn on a light if the switch, battery, and light are on the Earth, but the cable connecting…
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A Bode Plot Without Access to the Control Loop
by Steve Sandler This extreme measurement seems more impossible than difficult. The traditional stability assessment method for voltage regulators is the Bode plot. Access…