Measurement solutions for your power integrity needs

Picotest products are designed to simplify measurements while providing the ultimate resolution using your test instruments. This allows the optimum use of your instruments, maximizing their value.

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Training: Master the Fundamentals of Power Integrity and Power Supply Testing

This course is now available on-demand and covers how to master the most important power supply measurements including those associated with Power Integrity and today? power distribution systems.

The topics and tests are discussed in detail with a variety of lab demonstrations.

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Components / Test Modeling

Covers component-level behaviour and modelling, including passive and active device characteristics, equivalent circuit models, and their impact on power integrity and system performance.

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  • How to Calibrate the Picotest CTF on a Bode 500 VNA: Step-by-Step Impedance Measurement Workflow

    Co-authored by Picotest and Signal Edge Solutions Next-Level Measurements: Easier, Faster, and More Accurate Calibration and measurement accuracy are critical in power integrity and…

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  • Every Way You Can Test Impedance – The Ultimate Guide

    Impedance testing is a fundamental aspect of electronic circuit design, especially when dealing with power delivery networks (PDNs), low-dropout regulators (LDOs), voltage references, and…

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  • 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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  • 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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  • 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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  • Optimizing TDR Measurements: Picotest Solutions Integrated with Tektronix Oscilloscopes

    At Picotest, we take pride in supporting Tektronix’s advanced TDR (Time Domain Reflectometry) setups with our high-performance J2154A PerfectPulse® Differential TDR and TDR probes.…

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  • 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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  • 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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  • 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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  • 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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  • Ferrites in PCB Design: What the Experts Say

    “The best time to use a ferrite is never” Are you curious about the role of ferrite beads in PCB design? A thread posted…

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  • 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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  • 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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  • 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,…

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  • 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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  • Load Regulation, Vout/Iout, and Output Impedance

    Published October 6, 2023 Masashi Nogawa, Sr. Member of Technical Staff, Qorvo In this article, we’re taking a short break from talking about Power…

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  • 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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  • Make Accurate Impedance Measurements Using a VNA

    Three different methods can be applied to accurately measure passive components with a vector network analyzer. By Brian Walker Related To:Copper Mountain Technologies “A…

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  • Picotest Releases Unique and Versatile PCB Clamping Solution

    We have released a new, hyper-versatile, and handy clamping solution for printed circuit board soldering, testing, assembly, and probing. “Compared to ClampMan, hands-free clamping…

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  • New Fast Edge TDR in a Portable Package Supports PCB Coupon Testing and Instrument Calibration

    We have released a new, low-cost, pocket-sized, fast-edge signal generator and TDR in one convenient package. “Such a high speed, precise TDR/TDT has never…

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  • Designing High Current 48V to Core Voltage Converters

    To reduce power consumption, easing cooling requirements, large computer designers are migrating from 12V to core voltage power solution to 48V to core voltage…

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  • Switched-Mode Power Supply Simulation with SPICE:

    February 2, 2018, Phoenix, Arizona: In a reprint of Steve Sandler’s classic technical book, PWM models and power supply simulation solutions are described in depth–with…

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  • 2-port Dembed with Picotest 2-Port Probe Video

    This video shows how to measure low-impedance components and voltage regulator impedance using the Bode 100 and the Picotest P2101A 2-Port Probe. Related Products…

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  • How Does a Prototyping-Only Approach Impact Product Design?

    Article by Sam Davis | Power Electronics One in 10 design engineers still rely on purely physical prototypes, potentially adding significant, unnecessary costs to their designs, according…

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  • Impedance measurements stabilize op-amp buffers

    The unity-gain op amp (operational amplifier) buffer circuit is routinely used to transform high-impedance inputs into low-impedance outputs. ADC (analog-to-digital converter) voltage references are…

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  • PDN Basics – Paralleling Tantalum and Ceramic Capacitors Can Be Risky

    Paralleling capacitors to achieve high frequency sideband decoupling must take into account the performance characteristics of individual capacitors. 1.470 tantalum capacitor is installed in…

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  • How To Verify Control Loop Design

    The non-invasive stability assessment is a method that uses an output impedance measurement to accurately determine stability without access to the control loop. The…

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  • Troubleshooting Distributed Power Systems: Measuring Impedance Using VNAs (2-Port) (Part 4 of the ongoing video series.)

    As Part 3 of this video series explained, recently introduced vector network analyzers (VNAs) have made it possible for these frequency domain instruments to…

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  • Troubleshooting Distributed Power Systems: Measuring Impedance Using Vector Network Analyzers (One-Port Tests) (Part 3 of the ongoing video series.)

    Vector network analyzers (VNAs) have always had measurement capabilities that looked like they would be particularly useful in assessing the performance of analog and…

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  • Sharpen Rising and Falling Edges

    Wherever you find a digital control signal, you find sharp rising and falling edges that need characterization. These edges occur on switching power supplies…

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  • Selecting Test Signal Injectors

    A number of test signal injectors are used when evaluating the performance of power supplies and other low-frequency components with a network analyzer. Network…

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  • These Seven Trends May Change Power Design Dramatically

    New power semiconductor technologies such as silicon carbide (SiC) and gallium nitride (GaN) promise to rewrite the record books with respect to power supply…

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  • An Accurate Method For Measuring Capacitor ESL

    The equivalent series inductance (ESL) of chip capacitors is becoming an increasingly important parameter as bandwidths and switching frequencies rise in many high-performance systems.…

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  • Generating Stable Voltage For Multiple Applications

    Understanding the key parameters of diodes and other components used in reference voltage circuits can help avoid issues in different application circuits across many…

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