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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Effectively Using the EM-6992 Near Field Probe Kit to Troubleshoot EMI Issues
Introduction The EM-6992 Probe Kit includes three magnetic (H) field and two electric (E) field passive, near-field probes and an extension handle designed to…
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How To Measure Ultra-Low Impedances
High-speed digital circuits need clean power, but can stress power systems in ways that make it difficult for the system to deliver what’s needed.…
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FAQ #20: 2 Port Shunt Thru Impedance Measurement With The Bode 100
2 Port Shunt Thru Impedance Measurement With The Bode 100 Below are a few diagrams on how to do a 2-port impedance measurement and…
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Making The Connection Key To Accurate Test Data
We often give even less thought to how we connect our circuits and systems to the test equipment that we use to power and…
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Troubleshooting EMI: Use Versatile Instrument And Preamp To Search For Embedded Noise
Most engineers do not have convenient access to the equipment necessary for electromagnetic compliance (EMC) or electromagnetic interference (EMI) testing. Certified test labs, while…
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When Bode Plots Fail Us
It may come as a surprise to some that a control loop’s Bode plot does not always depict the loop stability and that the…
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Evaluate Feedback Stability When There’s No Test Point
It’s impossible to directly measure the stability (gain/phase) characteristics of a device if the device’s control loop lacks an access point to apply a…
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New Test Adapters Improve Your PDN Measurements
This article discusses measurement of small resistances, such as those encountered during PDN measurement, using the OMICRON Lab Bode 100, Keysight E5061B, and the…
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An Unconditionally Stable Linear Voltage Regulator
Is it possible to design an unconditionally stable linear voltage regulator? In fact, many believe that most regulator ICs are unconditionally stable. The answer…
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Introduction to the J2110A Solid State Injector
Most of us have experience using a wideband signal injection transformer to introduce a modulation signal into our loop stability test. While a high-quality…
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FAQ #19: What is the difference between a Frequency Response Analyzer (FRA) and a Vector Network Analyzer (VNA)?
What is the difference between a Frequency Response Analyzer (FRA) and a Vector Network Analyzer (VNA)? The FRA is generally designed to measure Bode…
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Measuring Op Amp PSRR
In this article we detail the process of measuring a key performance characteristic of operational amplifiers (Op Amps), power supply rejection ratio or “PSRR”,…