Transient Load Step

Focuses on dynamic load testing, including load step generation, measurement of voltage response, and evaluation of regulator and PDN transient performance.

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Picotest Introduces Ultra-Low Inductance, GHz-Bandwidth Current Shunt Technology at APEC 2026

New (patent pending) current shunt architecture enables non-intrusive, real-time current measurement for next-generation power systems San Antonio, TX – APEC 2026 — Picotest, a…
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Product
Ultra-Low Insertion Inductance, Ultra-High-Bandwidth Resistors

Measuring current within a circuit enables optimization of system performance. This optimization may target operating efficiency — critical for mobile, portable, and wearable devices…
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Product
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…
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Product
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…
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Product
The Ultimate Guide to the R&S MXO5 for Power Integrity

Power integrity is the silent hero of modern electronics. Without a stable power delivery network (PDN) and voltage regulator modules (VRMs), even the most…
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Product
Picotest and Signal 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…
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Product
Power Integrity Measurement Tips with the MXO5 and S10 – Capturing Large Signal Phenomena with a TPSM828303A PDN

Large signal measurements are essential to Power Distribution Network (PDN) validation. By stressing the PDN, they reveal transient phenomena that are otherwise difficult to…
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Product
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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Video
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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Product
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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Product
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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Product
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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Product
Load Stepper Demonstration Station

These images demonstrate the set-up and capability of the Picotest Load Stepper. We set up a demonstration station at DesignCon 2024 and these slides…
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Product
Loop Analysis Directly from Time-Domain Waveform with SEPIA

Published in Signal Integrity Journal, written by Masashi Nogawa. Engineers can use a variety of methods to analyze the behavior of a voltage regulator…
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Article
Achieving Better Energy Efficiency in AI Data Centers With Power Integrity Testing

Introduction Deployment of AI-based technology is happening in the Data Center. The processor-intensive servers are driving up energy demands. The table below illustrates the…
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Article
“Probing” the Future of Power Integrity Test and Measurement

The future of power integrity is being affected by power-hungry AI accelerators and other high-performance chips. Learn how Picotest is trying to tackle the…
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Article
PDN Impedance Measurements Using Bode 500 and Picotest PDN Probes

Download or watch the presentation from Florian Hämmerle of OMICRON Lab at this year’s 13th Power Analysis & Design Symposium. The power delivery network…
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Article
Picotest 2-port Probe Impedance Measurements

Learn how Brian Hostetler from HPE, Inc explains the measurements made on a few different power rails on a printed circuit board (PCB) assembly.…
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Article
Alex Lidow and Steve Sandler: A Video Discussion on Power Electronics and Gallium Nitride

In this informal discussion between two power electronics industry veterans, the topics of Gallium Nitride and the current state of cutting-edge technology available in…
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Video
Picotest Load Steppers are featured on Efficient Power Conversion’s ‘GaN Talk’ with Renee Yawger

How Picotest Uses eGaN FETs to Design Groundbreaking High-Speed Transient Load Current Steppers – Revolutionizing Power System Testing for Data Center, AI, EV, ASIC,…
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Article
Picotest Is Exhibiting At DESIGNCON 2024

At DesignCon 2024 we will be exhibiting the following products in our booth; Other companies exhibiting at the show will also have Picotest products…
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Article
High-Speed Transient-Load Steppers Test Power Integrity

January 19, 2024 Maurizio Di Paolo Emilio published on Power Electronics News High-speed transient-load steppers allow engineers to test and validate how well the PDN…
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Article
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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Article
Power Integrity: Ensuring Clean and Stable Power Supplies

The stability and cleanliness, from a noise perspective, of power sources are vital for the reliable operation of modern electronics. Power Integrity (‘PI’), is…
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Article
Migrating to 48V Power Comes with Measurement Challenges

New App Note for Data Center, AI, EV Applications – Testing Explore the implications of power distribution systems transitioning to 48V across data center,…
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Article
Application Note – Port Saver – The Smart DC Block

Most instruments don’t tolerate high voltages well. High bandwidth oscilloscopes, spectrum analyzers, and vector network analyzers can easily be damaged by less than 5V.…
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Article
AI, Power Integrity & Engineering Intuition A Recorded Webinar

In this episode of The EEcosystem Podcast, Steve Sandler and Judy Warner discuss;• The AI data center explosion (and its thermal wake)• Why SPICE modeling is…
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Product
Noise Immunity Testing: Unveiling the Power and Benefits of P2124A High-Speed Water-Cooled GaN Probe

In precision measurement and power integrity testing, engineers face the constant challenge of ensuring accurate and reliable results in high-speed modulation designs. At Picotest,…
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Article
Keysight and Picotest Release NISM for PathWave ADS

How to Optimize Design with SPICE Simulation: Expert Insights by Steve Sandler This session presents the essential role of simulation in the design and…
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Article
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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Article
DesignCon Spring Break Webinar Series: Power Integrity: Analyze Impedance to Improve Power Delivery, SI & EMI

Overview Title: Power Integrity: Analyze Impedance to Improve Power Delivery, SI & EMI Available on demand Duration: 1 hour Summary Join DesignCon in this webinar series presented by…
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Article
New P2102A 2-Port Probes, Changes How Impedance is Measured for Power Integrity and PDN Applications

February 15, 2020 Phoenix, AZ: Picotest.com, a leader in high resolution test and measurement equipment, has released a new 2-port ‘Browser’ probe especially designed…
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Article
Picotest Announces Online Video Training Course on Power Supply and Power Integrity Testing

January 28, 2021 Phoenix, AZ: We have released an online, on-demand training course – Master the Fundamentals of Power Integrity and Power Supply Testing. The…
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Video
New GaN Scope Probe Improves Power Integrity

We have released a new GaN probe. The P2000A is the Picotest general purpose high voltage GaN voltage probe with a 100:1 attenuation. Its…
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Article
Flat Impedance in Voltage Regulator Modules

Today’s high speed systems require clean power under challenging conditions. Extremely fast current transients and high voltage stability require carefully designed power delivery. In…
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Article
Non-Invasively Assess Your Multiple-Loop LDO’s Stability

Some low-dropout regulators (LDOs) use multiple feedback loops to improve output voltage transient response. In many of these cases, some or all of the…
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Article
FAQ #23 What Injectors do I need for PDN Measurements?

Our J2112A current injector has been the most requested product to date. It provides a very fast low current pulse, though based on a…
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Article
New Injector Supports Testing of POLs

High Fidelity POL Testing with the J2112A The J2112A: Faster, Non-Invasive, and High Fidelity POL Step Load Testing Testing the step load performance of…
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Article
Exploring Bandwidth, Gain Margin and Phase Margin in Non-Invasive Measurement

SummaryAmong the most frequently asked questions regarding non-invasive stability measurement are “How do I determine the bandwidth, phase margin and gain margin from the…
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Article
Powering RF and Microwave Systems

RF/microwave design engineers faced with developing effective power circuits for a system require more complete data sheets, appropriate computer-aided simulation models, and suitable test…
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Article

Transient Load Step

Picotest Introduces Ultra-Low Inductance, GHz-Bandwidth Current Shunt Technology at APEC 2026

Ultra-Low Insertion Inductance, Ultra-High-Bandwidth Resistors

Seeing Through the Noise: Reliable Power Rail Measurements in High-Current AI Systems | Signal Integrity Journal

Seeing Through the Noise: Reliable Power Rail Measurements in High-Current AI Systems | Signal Integrity Journal

The Ultimate Guide to the R&S MXO5 for Power Integrity

Picotest and Signal Edge Solutions address TAPI concerns.

Power Integrity Measurement Tips with the MXO5 and S10 – Capturing Large Signal Phenomena with a TPSM828303A PDN

PSRR Testing with the J2120A Line Injector

Examining power solutions for high-speed SoCs featuring multiphase buck converters

Dynamic Load Stepping: A New Way to Test Power Rails for GPUs and ASICs

The Importance of PDN Testing (Impedance) and the Role of the Bode Analyzer

Measuring Battery Impedance

Load Stepper Demonstration Station

Loop Analysis Directly from Time-Domain Waveform with SEPIA

Achieving Better Energy Efficiency in AI Data Centers With Power Integrity Testing

“Probing” the Future of Power Integrity Test and Measurement

PDN Impedance Measurements Using Bode 500 and Picotest PDN Probes

Picotest 2-port Probe Impedance Measurements

Alex Lidow and Steve Sandler: A Video Discussion on Power Electronics and Gallium Nitride

Picotest Load Steppers are featured on Efficient Power Conversion’s ‘GaN Talk’ with Renee Yawger

Picotest Is Exhibiting At DESIGNCON 2024

High-Speed Transient-Load Steppers Test Power Integrity

Picotest Releases Line of High-Speed Transient Load Steppers for VRM and PDN Validation

Power Integrity: Ensuring Clean and Stable Power Supplies

Migrating to 48V Power Comes with Measurement Challenges

Application Note – Port Saver – The Smart DC Block

AI, Power Integrity & Engineering Intuition A Recorded Webinar

Noise Immunity Testing: Unveiling the Power and Benefits of P2124A High-Speed Water-Cooled GaN Probe

Keysight and Picotest Release NISM for PathWave ADS

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

DesignCon Spring Break Webinar Series: Power Integrity: Analyze Impedance to Improve Power Delivery, SI & EMI

New P2102A 2-Port Probes, Changes How Impedance is Measured for Power Integrity and PDN Applications

Picotest Announces Online Video Training Course on Power Supply and Power Integrity Testing

New GaN Scope Probe Improves Power Integrity

Flat Impedance in Voltage Regulator Modules

Non-Invasively Assess Your Multiple-Loop LDO’s Stability

FAQ #23 What Injectors do I need for PDN Measurements?

New Injector Supports Testing of POLs

Exploring Bandwidth, Gain Margin and Phase Margin in Non-Invasive Measurement

Powering RF and Microwave Systems