#articles

Apr 8, 20201 min read

The 5-Minute Method for Stabilizing Any Control Loop

By Steve Sandler | January 28, 2020 One method of designing stable control loops is to create an accurate broadband simulation model and...

164 views0 comments

Picotest

Apr 8, 20201 min read

Just How Fast is GaN Fast?

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

20 views0 comments

Picotest

Apr 8, 20201 min read

The Myth of Three Capacitor Values

By Eric Bogatin, Larry Smith, and Steve Sandler | March 3, 2020 “Many designs today include three different value decoupling capacitors,...

352 views0 comments

Measuring a Scope Probe Requires Two Oscilloscope Channels and a Very Flat Signal Source

Picotest

Jun 27, 20191 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...

16 views0 comments

Earn IEEE CEU/PDHs and learn the latest design techniques at EDI CON University

Picotest

Sep 27, 20181 min read

Earn IEEE CEU/PDHs and learn the latest design techniques at EDI CON University

All conference pass holders are eligible to attend, but pre-registration happens during the registration process. After attending an EDI...

3 views0 comments

Picotest

Jul 30, 20181 min read

EDI CON USA 2018 Announces EDI CON University

All conference pass holders are eligible to attend, but pre-registration happens during the registration process. After attending an EDI...

7 views0 comments

Picotest

Apr 28, 20181 min read

Characterizing and Selecting the VRM

The voltage regulator module (VRM) is at the foundation of power integrity, making proper selection essential. There are thousands of...

16 views0 comments

Target Impedance Limitations and Rogue Wave Assessments on PDN Performance

Picotest

Mar 27, 20181 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...

89 views0 comments

Picotest

Jul 6, 20171 min read

Accurately measure ceramic capacitors by extending VNA range

Ceramic capacitors play an oversized role in circuit performance as a major contributor to voltage regulator control loop stability and...

12 views0 comments

Picotest

Apr 28, 20171 min read

Designing Power for Sensitive Circuits

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

3 views0 comments

Picotest

Apr 26, 20171 min read

Top Three EMI and Power Integrity Problems with On-Board DC-DC Converters and LDO Regulators

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

29 views0 comments

Picotest

Feb 12, 20161 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...

27 views0 comments

Power Integrity: It’s not just decoupling caps

Picotest

Feb 12, 20161 min read

Power Integrity: It’s not just decoupling caps

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

10 views0 comments

Evaluation of Gallium Nitride MOSFET for VRM Designs

Picotest

Jan 29, 20161 min read

Evaluation of Gallium Nitride MOSFET for VRM Designs

View full article now View full slideshow now #efficiency #vrm #design #gate #gan #dropout #hemt #sifet #articles #presentations #psrr...

13 views0 comments

Picotest

Nov 13, 20152 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...

5 views0 comments

Impedance measurements stabilize op-amp buffers

Picotest

Jan 12, 20152 min read

Impedance measurements stabilize op-amp buffers

Figure 1. Op amps are often used as unity gain signal buffers, which are not as simple to use as it may appear. The unity-gain op amp...

17 views0 comments

Essential 1-Port PDN PROBE: Applications Abound

Picotest

Nov 14, 20141 min read

Essential 1-Port PDN PROBE: Applications Abound

BROWSER-CLASS PROBE Several companies manufacture and distribute high-frequency TDR probes. These probes are typically designed for very...

21 views0 comments

Simple trick to measure plane impedance with a VNA

Picotest

Oct 8, 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...

43 views0 comments

Match impedances when making measurements

Picotest

Aug 15, 20142 min read

Match impedances when making measurements

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

7 views0 comments

Picotest

Jul 1, 20142 min read

Three Stability Assessment Methods Every Engineer Should Know About

Many engineers are familiar with the Bode plot as an effective stability assessment method. However, some authors suggest and even teach...

12 views0 comments