by Steve Sandler Published by Signal Integrity Journal, May 19, 2022 Most DC/DC converters and switching voltage regulators use filter...

by Steve Sandler Published by Signal Integrity Journal, May 5, 2022 I receive many questions about measuring power rail noise: Do I...

How2Power.com - November 2021 by Heidi Barnes, Keysight Technologies, Santa Rosa, Calif. and Steve Sandler, Picotest, Phoenix, Ariz....

"The time domain reflectometer (TDR) is an instrument that is often used to measure printed circuit board (PCB) test coupons and cable...

By Steve Sandler | March 12, 2020 “I recently designed an ultra-high speed, low-impedance pulse generator (Figure 1). I wanted it for...

Oscilloscope users can also calibrate their passive oscilloscope probes, though the process is much less sophisticated and for lack of a...

What is a sensitive circuit? Sensitive circuits are those that can easily be degraded by power supply noise.  These circuits generally...

Kenneth Wyatt Wyatt Technical Services, LLC ken@emc-seminars.comSteve Sandler Picotest steve@picotest.com Modern devices are...

Arduino has taken the product “maker” world by storm and one of the more popular Arduino modules is the Analog Devices AD9851 DDS...

Read more here #vrm #design #flatimpedance #powerintegrity #articles #roguewaves #capacitors #picotest #pdn #regulator #targetimpedance

Gallium Nitride (GaN) FETS are poised to replace silicon power devices in voltage regulators and DC-DC power supplies. Their switching...

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...

Recently, I used a shielded coaxial cable to measure power supply ripple and the results were even noisier than using an oscilloscope...

Engineers are under constant pressure to improve the performance of their products while reducing product cost. The key to doing so is a...

Many SPICE models are available online that were created by IC and semiconductor manufacturers. Unfortunately, availability doesn’t...

The mathematics behind the non-invasive measurement was incorporated into the OMICRON Lab Bode 100 VNA software, sold by Picotest.com,...

Since no impedance path is perfectly flat, we need to make some design adjustments. This article aims to help you make compromises that...

There are many good analyzers available for measuring PDN High performance VNAs are available from all of the major test equipment...

For an undamped LC circuit excited by an AC voltage source through simple phaser equations, we come to see that the circuit becomes short...

You’re probably familiar with clamp on current probes, but chances are you don’t know much about the Rogowski current probe. A Rogowski...