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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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...
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....
App Note: 2-Port Impedance Measurement using the P2102A Probe and E5061B VNA
By Benjamin Dannan and Steven Sandler, Picotest.com High speed Printed Circuit Board (PCB) design requires well designed Power Delivery...
App Note: 2-Port Impedance Measurement using the P2102A Probe and ZNL6 VNA
By Benjamin Dannan and Steven Sandler, Picotest.com High speed Printed Circuit Board (PCB) design requires well designed Power Delivery...
App Note: 2-Port Impedance Measurement using the P2102A Probe and Copper Mountain Tech 2-Port VNA
By Benjamin Dannan and Steven Sandler, Picotest.com, and Subbaiah M. Pemmaiah, Coppermountaintech.com High speed Printed Circuit Board...
Picotest P2102A 2-Port Probe Calibration with the Copper Mountain VNA
This video looks at how to perform a full calibration on the Copper Mountain Compact 2-port VNA using the Picotest P2102A 2-port probe...
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...
App Note: 2-Port Impedance Measurement using the P2102A Probe and Bode 100 VNA
By Benjamin Dannan and Steven Sandler, Picotest.com High speed Printed Circuit Board (PCB) design requires well designed Power Delivery...
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...
EDI CON Online Webinar Now Available On Demand
A Holistic Power Integrity Approach Reduces Board Spins, Supports System Analysis and Reduces VRM Modeling Effort Duration: 29 minutes...
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...
FREE Webinar: GaN for DC to DC Converters and Voltage Regulators
Title: GaN for DC to DC Converters and Voltage Regulators Date: August 28, 2018 Time: 8am PT/ 11am ET Presented By: Steve Sandler,...
How to Design for Power Integrity YouTube Video Series
Click here to watch the series #powerdistributionnetwork #vrm #design #flatimpedance #inductor #noise #powerintegrity #capacitors...
Fix Poor Capacitor, Inductor, and DC/DC Converter Impedance Measurements
Measuring VRMs, PDNs (power distribution networks), capacitors, and inductors, requires measurement accuracy in the milliOhms range –...
How to Design for Power Integrity: Selecting a VRM
This video explains why one should avoid Voltage mode VRMs and shunt compensation for the VRM Error Amplifier. The better performance of...