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Ultra-low Impedance Testing Using the 2-Port Shunt-Through Measurement Technique
Ultra-low Impedance Testing Using the 2-Port Shunt-Through Measurement Technique Measuring ultra-low impedances (20 micro-ohm) is a challenge for any power distribution network (PDN) design…
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Power Integrity Testing Requirements Introduce Extreme Interconnect Measures
Power Integrity (PI) engineers are familiar with the ground shield effect in the 2-port shunt through measurement. If not, there are many papers, articles,…
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Low Noise Power Integrity Measurements – A Guide to Effective Probing with the MXO58 Oscilloscope
In this blog, we will examine the noise performance of various probing solutions with a Rohde & Schwarz (R&S) MXO 5 oscilloscope. The goal…
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Picotest Is Exhibiting At DESIGNCON 2024
At DesignCon 2024 we will be exhibiting the following products in our booth; Other companies exhibiting at the show will also have Picotest products…
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Application Note – Port Saver – The Smart DC Block
Most instruments don’t tolerate high voltages well. High bandwidth oscilloscopes, spectrum analyzers, and vector network analyzers can easily be damaged by less than 5V.…
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Picotest Releases the World’s First Water-Cooled Electrical Probe for High-Speed Test Applications
The P2124A High Speed Line Modulator is the first water-cooled probe for electronics testing. Its creation is yet another testament to Plato’s axiom that…
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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 should be cut away under…
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How Can You Determine the Turns Ratio of a Power Transformer in a Sealed DC-DC Module?
by Steve Sandler Published by Signal Integrity Journal, December 28, 2021 I do not know if there was a legitimate reason for this request,…
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Calibrating the 2-Port Probe for Low Impedance PDN Measurements
May 18, 2021 Benjamin Dannan and Steve Sandler “High speed printed circuit board (PCB) design requires well-designed power delivery networks (PDN) to support today’s FPGAs or…
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Selecting a VRM Output Inductor
The selection of the output filter inductor is generally made using several figures of merit (FOM). Some of these figures of merit are discussed…
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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 Networks (PDN) to support today’s…
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New P2102A 2-Port Probes, Changes How Impedance is Measured for Power Integrity and PDN Applications
February 15, 2020 Phoenix, AZ: Picotest.com, a leader in high resolution test and measurement equipment, has released a new 2-port ‘Browser’ probe especially designed…