Featured Insights
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…
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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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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PSRR Testing with the J2120A Line Injector
Dealing with Line Injection Issues Here is information on the Power Supply Rejection Ratio (‘PSRR’) measurement setup using the J2120A line injector. Depending on…
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Setting up your PDN Impedance Measurement with Picotest Probes
Ensuring optimal performance in electronic systems requires precise measurement of Power Distribution Network (PDN) impedance. Accurate impedance measurements help identify potential issues such as…
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Harnessing Time-Domain Reflectometry (TDR) with Real-Time Oscilloscopes
Time-domain reflectometry (TDR) is an essential tool for applications ranging from power distribution network analysis to verifying signal path integrity. This guide delves into…
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Examining power solutions for high-speed SoCs featuring multiphase buck converters
The rise in functions, processing power, and data rates makes power design for high-speed system-on-chips (SoCs) increasingly complex. Modern CPUs, GPUs, FPGAs, ASICs, and…
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Analog Output Signal Modulated by VRMs
Masashi Nogawa’s latest article examines how the output noise signal of RF or analog electronic components is affected by disturbances in their power supply…
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Dynamic Load Stepping: A New Way to Test Power Rails for GPUs and ASICs
As processors like GPUs, ASICs, and CPUs get more powerful, testing their power systems becomes harder. This article by Steve Sandler, published on How…
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Building Accurate PI Models with VNA Software: A How 2 Power Guide
Using VNA Software to Build Accurate Models for Power Integrity SimulationsIn power integrity (PI) simulations, accuracy and reliable component models are critical, yet vendor-supplied…
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The Importance of PDN Testing (Impedance) and the Role of the Bode Analyzer
Components such as CPUs, GPUs, FPGAs, and ASICs demand clean and stable power supplies to function effectively, often across various operating conditions. This is…
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Measuring Battery Impedance
Recently, Picotest has had several questions from customers working to measure battery impedance. There are numerous publications and articles about testing battery impedance, even…
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How to Test PSRR, PSNR and PSMR for Sensitive Applications, Including Optical Transceivers
Click here to download the paper Presented by: Steven M. Sandler, Managing Director, Picotest Originally presented on October 5, 2022 during EDI CON Online…
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DgCon 2019: Power Integrity Webinars for Addressing Power Related Noise in Distributed Systems
These presentations discuss many of the noise sources that impact sensitive circuits (such as LNAs, Clocks, and PLLs), how to measure them, and how…
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Webinar: Python Automation of Measurement and Multi-Dimensional Plotting of DC and AC Bias Sensitivity of MLCCs
With noted Power Integrity (PI) Expert Istvan Novak Highlights the need for AC and DC bias testing for capacitors and the support Picotest has…