#videos 2/2

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...

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Picotest

May 9, 20161 min read

How to Design for Power Integrity: Finding Power Delivery Noise Problems

This video provides an understanding of how the voltage regulator module (VRM) interacts with the printed circuit board planes and...

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Picotest

Nov 19, 20151 min read

Flat Impedance in Voltage Regulator Modules

Today’s high speed systems require clean power under challenging conditions. Extremely fast current transients and high voltage stability...

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PDN Basics For Power Designers: Impedance Matching Is Critical. (Part three of the video series.)

Picotest

Sep 15, 20141 min read

PDN Basics For Power Designers: Impedance Matching Is Critical. (Part three of the video series.)

In modern electronic systems, the performance of FPGAs, CPUs, and other high-speed logic devices depends on the power distribution...

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PDN Basics For Power Designers: Keep Impedance Flat. (Part two of the video series.)

Picotest

Sep 15, 20141 min read

PDN Basics For Power Designers: Keep Impedance Flat. (Part two of the video series.)

In modern electronic systems, the performance of FPGAs, CPUs, and other high-speed logic devices depends on the power distribution...

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PDN Basics For Power Designers: What is PDN? (Part one of the video series.)

Picotest

Sep 15, 20141 min read

PDN Basics For Power Designers: What is PDN? (Part one of the video series.)

In modern electronic systems, the performance of FPGAs, CPUs, and other high-speed logic devices depends on the power distribution...

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PCB characteristics affect PDN performance

Picotest

Mar 31, 20141 min read

PCB characteristics affect PDN performance

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

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Picotest

Feb 5, 20141 min read

Inside the 21st Century Power Test Lab

In this 5-minute video, Steve Sandler of AEi Systems (www.aeng.com) and Picotest (www.picotest.com) takes you on a tour of an advanced...

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Troubleshooting Distributed Power Systems: Making Time Domain Measurements (Part 8 – The final

Picotest

Jan 11, 20141 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....

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Troubleshooting Distributed Power Systems: Measuring Ripple (Part 7 of the ongoing series)

Picotest

Dec 10, 20131 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...

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Troubleshooting Distributed Power Systems: The Switch (Part 6 of the ongoing series.)

Picotest

Nov 14, 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...

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Troubleshooting Distributed Power Systems: Using Current Injectors (Part 5 of the ongoing video seri

Picotest

Oct 7, 20131 min read

Troubleshooting Distributed Power Systems: Using Current Injectors (Part 5 of the ongoing video seri

Although not quite as accurate as the two-port VNA impedance measurement, the current injection technique has advantages including wide...

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Troubleshooting Distributed Power Systems: Measuring Impedance Using VNAs (2-Port) (Part 4 of the on

Picotest

Sep 8, 20131 min read

Troubleshooting Distributed Power Systems: Measuring Impedance Using VNAs (2-Port) (Part 4 of the on

Shunt through, wideband measurements can be made from approximately 100 microohms to a few ohms. This is the measurement performed by...

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Troubleshooting Distributed Power Systems: Measuring Impedance Using Vector Network Analyzers (One-P

Picotest

Aug 16, 20131 min read

Troubleshooting Distributed Power Systems: Measuring Impedance Using Vector Network Analyzers (One-P

This video focuses on single-port measurements, describing how they can be applied to low power circuits such as linear regulators,...

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Troubleshooting Distributed Power Systems: Impedance Is the Critical Measurement (Part 2 of the ongo

Picotest

Jun 11, 20131 min read

Troubleshooting Distributed Power Systems: Impedance Is the Critical Measurement (Part 2 of the ongo

As Sandler explains, analysis based on impedance measurements can more thoroughly assess control loop stability than Bode plot...

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Troubleshooting Distributed Power Systems: Why Stability Matters (Part 1 of the ongoing video series

Picotest

May 15, 20131 min read

Troubleshooting Distributed Power Systems: Why Stability Matters (Part 1 of the ongoing video series

In this 5-minute video presentation, Steve Sandler discusses how stability impacts circuit performance, offering examples that...

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Picotest

May 24, 20121 min read

Troubleshooting EMI: Use Versatile Instrument And Preamp To Search For Embedded Noise

Most engineers do not have convenient access to the equipment necessary for electromagnetic compliance (EMC) or electromagnetic...

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Power Supply Measurement Techniques: Non-Invasive Phase Margin using the J2111A Current Injector

Picotest

Jul 29, 20111 min read

Power Supply Measurement Techniques: Non-Invasive Phase Margin using the J2111A Current Injector

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Power Supply Measurement Techniques Instructional Videos: PSRR Measurement using the J2120A Line Inj

Picotest

Mar 13, 20111 min read

Power Supply Measurement Techniques Instructional Videos: PSRR Measurement using the J2120A Line Inj

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