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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FAQ# 26: How do I pick a voltage regulator that will be good for my circuit?
Steve Sandler Answers Your Voltage Regulator Questions (Power Electronics’ Q&A Series) Power Electronics received a question about how to pick a voltage regulator that…
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FAQ#25: How do you measure PSRR of a linear regulator circuit that powers an oscillator for an ADC? How can I make this measurement using an oscilloscope?
Steve Sandler Answers Your PSRR Questions (Power Electronics’ Q&A Series Follow Up) Earlier this month Power Electronics received a question about “How to measure…
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How to Solve 8 of 10 Design Issues
The vast majority of design issues are directly or indirectly attributable to control loop stability. The most common offenders: Linear regulators Voltage references Op-amps…
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Inductors for the Uninitiated
Michael Jones, Linear Technology, Aug 21st 2013 What could be simpler than inductors? Pick one from a catalog based on saturation, inductance, DCR, etc,…
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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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FAQ #24 J2180A 0.1Hz -100MHz Ultra Low Noise Preamp: Do you have any figures for the noise level ie, the input noise voltage [nV/sqrt(Hz)]?
Here is a typical noise plot showing the typical noise is 2.4nV/rt_Hz when using the J2180A Ultra Low Noise Preamp. Related Products Insights Categories…
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Troubleshooting Distributed Power Systems: Impedance Is the Critical Measurement (Part 2 of the ongoing video series.)
Whether your goal is to optimize system performance or to troubleshoot issues in distributed power systems, impedance measurement is an indispensable tool. That’s because…
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Troubleshooting Distributed Power Systems: Why Stability Matters (Part 1 of the ongoing video series.)
Control-loop stability impacts power supply performance in multiple ways. Even if the control loop is not oscillating, poor stability—as evidenced by low phase margin—in…
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Target impedance based solutions for PDN may not provide realistic assessment
One of the more common design techniques for power distribution networks (PDN) is the determination of the peak impedance that will assure that the…
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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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How to Make Higher Voltage Power-Distribution-Network Measurements
A two-port power distribution network (PDN) measurement is arguably the most accurate method of measuring low-value impedances, such as the output of point of…
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Clock Power Optimization Depends On Jitter Control
Clock-jitter performance has become a top priority among clock, analog-to-digital controller (ADC), and power-supply manufacturers. Why? Simply, it interferes with the performance of digital…