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Test Training Available from Picotest
Did you know Picotest has published a variety of training aids for engineers looking to learn power supply and power integrity testing...
Picotest
Apr 24, 20231 min read


How Oscilloscopes Will Evolve Over the Next 5 Years
Signal Integrity Journal Webinar Series Title: How Oscilloscopes Will Evolve Over the Next 5 Years Available on demand Length: 1 hour, 1...
Picotest
May 4, 20222 min read


To the Moon and Back
How long does it take to turn on a light if the switch, battery, and light are on the Earth, but the cable connecting them goes to the...
Picotest
Dec 27, 20211 min read


The Goldilocks TDR
Those that know me, know that I like things that, on a scale of one to ten, go to eleven.  For the youngsters out there, see Spinal Tap,...
Picotest
Sep 30, 20201 min read


Measuring a Scope Probe Requires Two Oscilloscope Channels and a Very Flat Signal Source
Oscilloscope users can also calibrate their passive oscilloscope probes, though the process is much less sophisticated and for lack of a...
Picotest
Jun 27, 20191 min read


Target Impedance Limitations and Rogue Wave Assessments on PDN Performance
Click here to read the entire article. #powerdistributionnetwork #vrm #flatimpedance #inductor #noise #powerintegrity #articles...
Picotest
Mar 27, 20181 min read
Optimizing Arduino and the AD9851 DDS signal generator
Arduino has taken the product “maker” world by storm and one of the more popular Arduino modules is the Analog Devices AD9851 DDS...
Picotest
Feb 12, 20161 min read
How to measure the world’s fastest power switch
Gallium Nitride (GaN) FETS are poised to replace silicon power devices in voltage regulators and DC-DC power supplies. Their switching...
Picotest
Nov 13, 20152 min read
Paultre on Power – Steve Sandler of Picotest on power test and noise (Podcast)
October 31, 2014 In this podcast Steve Sandler of Picotest talks to Alix Paultre of Power Systems Design on the issues of power test,...
Picotest
Oct 30, 20141 min read


Simple trick to measure plane impedance with a VNA
Having said all of this, the measurement of a PCB plane using a VNA may not be as straightforward as you might expect. One simple trick...
Picotest
Oct 8, 20141 min read


Understanding Voltage Response Of An LC Circuit
For an undamped LC circuit excited by an AC voltage source through simple phaser equations, we come to see that the circuit becomes short...
Picotest
Mar 18, 20142 min read


Troubleshooting Distributed Power Systems: Making Time Domain Measurements (Part 8 – The final
He presents examples of various waveform anomalies and discusses techniques and tips for observing them as well as pitfalls to avoid....
Picotest
Jan 11, 20141 min read


Troubleshooting Distributed Power Systems: Measuring Ripple (Part 7 of the ongoing series)
And by taking measurements across all three test domains, designers can trace power supply ripple-related problems back to root causes...
Picotest
Dec 10, 20131 min read


Six tips for better TDR measurements
The setup in Figure 2 illustrates the impact of poor quality connectors.  In this image, the TDR is deskewed with no cables attached to...
Picotest
Dec 4, 20131 min read


Troubleshooting Distributed Power Systems: The Switch (Part 6 of the ongoing series.)
With those measurement requirements as background, Sandler examines how switching frequency and duty cycle affect power supply stability...
Picotest
Nov 14, 20131 min read


PDN Issues Occur in the Simplest of Circuits
A single tiny logic gate The first case we’ll look at is a Fairchild NC7SZ04 ultra-high-speed inverter gate. This logic gate is a single...
Picotest
Nov 7, 20131 min read


Oscilloscope Mistakes: #4 (Part 4 of 4)
The engineering community uses oscilloscopes more than any other piece of equipment, yet many of the published results are questionable...
Picotest
Sep 26, 20131 min read
New Injector Supports Testing of POLs
High Fidelity POL Testing with the J2112A The J2112A: Faster, Non-Invasive, and High Fidelity POL Step Load Testing Testing the step load...
Picotest
Sep 18, 20121 min read
Sharpen Rising and Falling Edges
Wherever you find a digital control signal, you find sharp rising and falling edges that need characterization. These edges occur on...
Picotest
Aug 20, 20121 min read
Deconstructing the Step Load Response Reveals a Wealth of Information
What can be learned from the Step Load response and why we should care? When analyzing power circuits, engineers routinely evaluate the...
Picotest
Sep 22, 20101 min read
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