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
Jun 14, 20222 min read
Measuring High Output Voltage Regulator Noise
by Masashi Nogawa and Steve Sandler Published by Signal Integrity Journal, June 14, 2022 New electronic applications, such as electric...
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Picotest
May 18, 20223 min read
How Can You Measure a HUGE Inductance with DC Bias?
by Steve Sandler Published by Signal Integrity Journal, May 19, 2022 Most DC/DC converters and switching voltage regulators use filter...
33 views0 comments
Picotest
Dec 27, 20211 min read
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...
47 views0 comments
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...
149 views0 comments
Picotest
Dec 2, 20212 min read
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....
162 views0 comments
Picotest
Sep 9, 20211 min read
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...
74 views0 comments
Picotest
Sep 9, 20211 min read
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...
35 views0 comments
Picotest
Sep 9, 20211 min read
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...
34 views0 comments
Picotest
May 7, 20211 min read
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...
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Picotest
Apr 27, 20212 min read
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...
188 views0 comments
Picotest
Mar 11, 20212 min read
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...
225 views0 comments
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...
1,912 views4 comments
Picotest
Oct 27, 20202 min read
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...
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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...
9 views0 comments
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...
44 views0 comments
Picotest
Jul 30, 20181 min read
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,...
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Picotest
Jun 29, 20171 min read
How to Design for Power Integrity YouTube Video Series
Click here to watch the series #powerdistributionnetwork #vrm #design #flatimpedance #inductor #noise #powerintegrity #capacitors...
5 views0 comments
Picotest
Jun 8, 20161 min read
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 –...
11 views0 comments
Picotest
May 9, 20161 min read
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...
15 views0 comments
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