Stability and Performance Improvement with Feedback in VRM Transconductance Error Amplifiers...
...A Case Study using the Sandler State Space Average VRM Model Click here to register and watch on demand Presented by: Benjamin Dannan,...
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Jul 27, 20221 min read
DC-DC Converters – Solid Return Plane or Cutouts Under Switch Node and Inductor?
by Kenneth Wyatt and Steve Sandler Published by Signal Integrity Journal, July 28, 2022 The question on whether the ground return plane...
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Picotest
Dec 27, 20211 min read
A Bode Plot Without Access to the Control Loop
November 23, 2021 Steve Sandler This extreme measurement seems more impossible than difficult. The traditional stability assessment...
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Picotest
Jan 22, 20211 min read
DC/DC Converter Layout Discussion
This LinkedIn discussion generated a lot of interest and even the experts couldn’t agree on whether there should be a ground plane under...
1,916 views4 comments
Picotest
Apr 8, 20201 min read
The 5-Minute Method for Stabilizing Any Control Loop
By Steve Sandler | January 28, 2020 One method of designing stable control loops is to create an accurate broadband simulation model and...
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Picotest
Aug 5, 20191 min read
Why Full VRM Characterization is Essential
Read the entire article here. #powerdistributionnetwork #noise #powerintegrity #ads #psrr #powersupply #inputimpedance...
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Picotest
May 17, 20191 min read
Measuring The Negative Input Resistance Of DC-DC Converters
Measuring the negative resistance of a DC-DC converter’s input requires introducing a perturbation of the input voltage while measuring...
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Picotest
Jan 29, 20161 min read
Killing the Bode Plot
Many new linear devices, including voltage references, voltage regulators and opamps have internal feedback loops, prohibiting...
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Picotest
May 15, 20131 min read
Troubleshooting Distributed Power Systems: Why Stability Matters (Part 1 of the ongoing video series
In this 5-minute video presentation, Steve Sandler discusses how stability impacts circuit performance, offering examples that...
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Picotest
Jul 30, 20121 min read
Low Power And High Efficiency Can Degrade Performance Significantly
The general industry trend is to make electronic products more efficient and, in general, consume less energy. One of the major...
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Picotest
May 16, 20121 min read
Evaluate Feedback Stability When There’s No Test Point
Fortunately, a new technique permits non-invasive stability testing of such devices.1 Designers can evaluate stability by measuring (on...
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