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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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...
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...
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...
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...
Why Full VRM Characterization is Essential
Read the entire article here. #powerdistributionnetwork #noise #powerintegrity #ads #psrr #powersupply #inputimpedance...
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...
Killing the Bode Plot
Many new linear devices, including voltage references, voltage regulators and opamps have internal feedback loops, prohibiting...
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...
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...
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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