How Can You Determine the Turns Ratio of a Power Transformer in a Sealed DC-DC Module?
by Steve Sandler I do not know if there was a legitimate reason for this request, but I was once asked to determine the turns ratio of a...
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Why EM Is Replacing SPICE For Simulation of Board-Level Power Delivery
How2Power.com - November 2021 by Heidi Barnes, Keysight Technologies, Santa Rosa, Calif. and Steve Sandler, Picotest, Phoenix, Ariz....
Measuring LDO Power Supply Rejection Ratio for a Novice
SEPTEMBER 25, 2016 BYJONATHAN HARRIS "As somewhat of a continuation of my last blog topic I am once again returning to measurement of an...
Selecting a VRM Output Inductor
May 25, 2021 | Steve Sandler, Picotest The selection of the output filter inductor is generally made using several figures of merit...
Tektronix App Note: Measuring the Control Loop Response of a Power Supply Using an Oscilloscope
Most power supplies and regulators are designed to maintain a constant voltage over a specified current range. They are essentially...
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...
Switched-Mode Power Supply Simulation with SPICE: The Faraday Press Edition
All common topologies are discussed, including linear, buck and flyback converters. Practical guidance is given for EMI/RFI filtering and...
A Signal Integrity Problem? Maybe Not
In many cases, the real culprit may be power integrity or electromagnetic interference (EMI), but engineers are increasingly...
Designing Power for Sensitive Circuits
What is a sensitive circuit? Sensitive circuits are those that can easily be degraded by power supply noise. These circuits generally...