Stability

Covers loop stability analysis and design, including Bode plots, phase/gain margin, control loop behaviour, and techniques for ensuring stable operation in power systems.

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AI Data Centers Move Capacitors Back into the Spotlight

AI data centers are power hungry, pushing power density to new highs while requiring long-term reliability. The increasing power density, particularly at the board…
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Product
All about the Picotest J2150A harmonic comb generator, applications and test set-up.

This article is written by Kenneth Wyatt for EDN. Picotest has a very unique harmonic comb generator (called the J2150A harmonic comb injector) that’s…
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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
Understanding Power Distribution Networks: Challenges and Tools for Mastering the Design Quest

Modern electronic systems require precise and reliable power delivery, yet designing effective Power Distribution Networks (PDNs) presents significant challenges. Issues such as noise, instability,…
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Product
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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Video
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
Cadence and Picotest Release NISM on Cadence PSpice

September 26, 2024, Phoenix, AZ: Picotest.com, a leader in high-resolution test and measurement equipment, has announced the availability of the non-invasive stability measurement (‘NISM’)…
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Video
Quantifying PDN Impedance Flatness from Sandler NISM

Download Steve Sandler’s full paper for DesignCon 2023 A New Power Integrity Requirement to Supplement Target Impedance: Quantifying PDN Impedance Flatness Abstract: Target impedance…
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Product
Measuring Converter Input Impedance Using Picotest Tools

To design a stable input filter for a switching converter, measuring input impedance is crucial. Picotest’s J2121A High Power Line Injector simplifies this by…
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Article
Mastering 2-Port Impedance Testing with Picotest Products

Accurate low and ultra-low impedance measurement is crucial for testing and modeling electronic components and for evaluating the performance of power distribution networks (PDNs).…
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Article
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
Mastering 1-Port Impedance Testing with Picotest Products

Accurate impedance measurement is fundamental to modeling electronic components and testing the stability and impedance of power systems. 1-port impedance testing is a widely…
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Article
How To Measure 3-Port Impedance with Picotest Products

The accurate measurement of impedance in electronic systems is crucial for ensuring stability, reliability, and performance. Among various techniques, 3-port impedance testing stands out…
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Article
Ultra-Low Impedance Measurement: Testing and Optimizing with the J2114A

Ultra-Low Impedance Measurement: Testing and Optimizing with the J2114A – High CMRR Isolation Amplifier – Ground Loop Breaker Testing ultra-low impedance is critical to…
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Article
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
VRM Modeling and Stability Analysis for the Power Integrity Engineer

In the world of power electronics, the focus is on the power supply, and the load is modeled as a simple resistor. In the…
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Article
Evaluating Voltage Regulator Stability Using Step Load Testing

Engineers are busy replacing and updating their aged PC boards that use traditional transistors, typically super-junction silicon MOSFETs and Insulated-Gate Bipolar Transistors (IGBTs). One…
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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
If You Design Anything with a Power Supply, You Need a Vector Network Analyzer

When it comes to designing electronic circuits and systems, ensuring stability, quality, and reliable operation is paramount. If your projects involve power supplies, voltage…
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Product
New Podcast – Power Integrity Everywhere From Space to Tik Tok

In another episode on the Keysight Learning Series with the EEcosystem, our CEO Steve Sandler talks to Heidi Barnes and Judy Warner on the Electronics…
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Video
Picotest Releases New Power Stage Isolator – Tests Plant Gain

The J2103A POwer Stage Isolator allows you to measure power supply open-loop and control loop gain including plant gain. The J2103A Power Stage Isolator is a…
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Article
Picotest Releases NISM Stability Tool for Cadence PSpice, Keysight ADS Simulators, and Hardware VNAs and Scopes

Picotest.com, a leader in high-resolution test and measurement equipment, has announced the availability of the non-invasive stability measurement (‘NISM’) software tool for circuit simulators.…
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Article
Podcast with Steve Sandler: All About Probes and Ensuring Accurate Measurements

Judy Warner of The EEcosystem discusses with Steve Sandler the topic of probes. He explains how they work, why there are so many varieties of them,…
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Article
Podcast with Steve Sandler: How To Measure Controlled Loop Stability and 12-Week Online Master Class

Judy Warner of The EEcosystem discusses with Steve Sandler the tool he developed called the Non-Invasive Stability Measurement Tool and how he transformed his lecturing and…
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Article
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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Article
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…
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Article
App Note: NISM using the P2102A Probe and E5061B VNA

By Benjamin Dannan and Steven Sandler, Picotest.com Control loop stability is critical to the performance of all systems, as it influences all closed loop…
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Article
Picotest P2102A 2-Port Probe Calibration with the Copper Mountain VNA

This video looks at how to perform a full calibration on the Copper Mountain Compact 2-port VNA using the Picotest P2102A 2-port probe and…
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Video
App Note: 2-Port Impedance Measurement using the P2102A Probe and E5061B VNA

By Benjamin Dannan and Steven Sandler, Picotest.com High speed Printed Circuit Board (PCB) design requires well designed Power Delivery Networks (PDN) to support today’s…
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Article
Tektronix App Note: Measuring the Control Loop Response of a Power Supply Using an Oscilloscope

Download the latest app note from Tektronix… “Most power supplies and regulators are designed to maintain a constant voltage over a specified current range. They…
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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
Copper Mountain Technologies’ VNAs Gain Non-Invasive Stability Measurement – NISM

July 24, 2020 Phoenix, AZ: Picotest.com, a leader in high resolution test and measurement equipment, has announced the availability of new software that brings…
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Article
The 5-Minute Method for Stabilizing Any Control Loop

“Poor control loop stability results in degraded power supply rejection ratio, transient response, output noise, and, for mixed signal circuits, degraded jitter. Datasheet application…
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Article
Characterizing LED Performance with a Frequency Response Analyzer and Line Injector

This application note series by Steve Sandler explores the measurement of the dynamic resistance of an LED and how to create a usable SPICE…
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Article
New PDN Cables Support Accurate 2-Port Shunt-Through Impedance Measurement

We have released a new interconnect cable specially designed for power distribution network (PDN) impedance testing. “What’s unique about these cables is that they…
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Article
New J2161A Brings 2-Port Shunt-Through Impedance Measurement to Scopes

August 7, 2019 Phoenix, AZ: Picotest.com, a leader in high resolution test and measurement equipment, has released the J2161A, 2-Way Wideband Active Splitter. This accessory…
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Article
Picotest Bundle Supports Tektronix, Keysight, Siglent, and Rohde & Schwarz Scope FRA Features – Bode Plots and PSRR Testing

We have an FRA Bundle of signal injectors that enables Bode plots and PSRR (power supply rejection ratio) measurements for Keysight, Tektronix, Siglent, and…
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Article

Stability

AI Data Centers Move Capacitors Back into the Spotlight

All about the Picotest J2150A harmonic comb generator, applications and test set-up.

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

Understanding Power Distribution Networks: Challenges and Tools for Mastering the Design Quest

Setting up your PDN Impedance Measurement with Picotest Probes

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

Cadence and Picotest Release NISM on Cadence PSpice

Quantifying PDN Impedance Flatness from Sandler NISM

Measuring Converter Input Impedance Using Picotest Tools

Mastering 2-Port Impedance Testing with Picotest Products

Loop Analysis Directly from Time-Domain Waveform with SEPIA

Mastering 1-Port Impedance Testing with Picotest Products

How To Measure 3-Port Impedance with Picotest Products

Ultra-Low Impedance Measurement: Testing and Optimizing with the J2114A

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

Picotest Is Exhibiting At DESIGNCON 2024

VRM Modeling and Stability Analysis for the Power Integrity Engineer

Evaluating Voltage Regulator Stability Using Step Load Testing

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

Power Integrity: Ensuring Clean and Stable Power Supplies

If You Design Anything with a Power Supply, You Need a Vector Network Analyzer

New Podcast – Power Integrity Everywhere From Space to Tik Tok

Picotest Releases New Power Stage Isolator – Tests Plant Gain

Picotest Releases NISM Stability Tool for Cadence PSpice, Keysight ADS Simulators, and Hardware VNAs and Scopes

Podcast with Steve Sandler: All About Probes and Ensuring Accurate Measurements

Podcast with Steve Sandler: How To Measure Controlled Loop Stability and 12-Week Online Master Class

The Simple Truth about Complex Impedance Probes

A Bode Plot Without Access to the Control Loop

App Note: NISM using the P2102A Probe and E5061B VNA

Picotest P2102A 2-Port Probe Calibration with the Copper Mountain VNA

App Note: 2-Port Impedance Measurement using the P2102A Probe and E5061B VNA

Tektronix App Note: Measuring the Control Loop Response of a Power Supply Using an Oscilloscope

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

Copper Mountain Technologies’ VNAs Gain Non-Invasive Stability Measurement – NISM

The 5-Minute Method for Stabilizing Any Control Loop

Characterizing LED Performance with a Frequency Response Analyzer and Line Injector

New PDN Cables Support Accurate 2-Port Shunt-Through Impedance Measurement

New J2161A Brings 2-Port Shunt-Through Impedance Measurement to Scopes

Picotest Bundle Supports Tektronix, Keysight, Siglent, and Rohde & Schwarz Scope FRA Features – Bode Plots and PSRR Testing