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Oct 1, 20131 min read

Five Things Every Engineer Should Know About PDN

Keep it flat Most PDN books tell you that the best performing PDN impedance looks flat over frequency. That is because noise signals are...

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Sep 26, 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...

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Sep 22, 20131 min read

Oscilloscope Mistakes: #3 (Part 3 of 4)

The engineering community uses oscilloscopes more than any other piece of equipment, yet many of the published results are questionable...

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Sep 17, 20131 min read

Oscilloscope Mistakes: #2 (Part 2 of 4)

The engineering community uses oscilloscopes more than any other piece of equipment, yet many of the published results are questionable...

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Sep 13, 20131 min read

FAQ #30: Can the Bode 100 measure complex permeability of Inductors/Chokes with some additional adap

It can measure impedance and that can get you there. We measure permeability by relating the inductance and physical core parameters such...

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Sep 13, 20131 min read

FAQ #29: How do you calibrate probes using the Bode 100 and the J2120A line injector?

The simple method of calibrating the probes is to connect them both to the same signal and perform a thru calibration. Details on this...

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Sep 13, 20131 min read

FAQ #28: Who uses the Bode 100 network analyzer?

The Bode is used in many industries including Military, Space, Medical and commercial. NASA, Ball Aerospace, Boeing, Lockheed and ESA...

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Sep 12, 20131 min read

Oscilloscope Mistakes: #1 (Part 1 of 4)

Avoiding these common pitfalls will get you better data with minimum effort. Steve Sandler takes a look at four common scope mistakes and...

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Sep 10, 20131 min read

FAQ# 27: Why is PDN measured using a VNA and not an oscilloscope?

Steve Sandler Answers Your PDN Questions (Power Electronics’ Q&A Series) Power Electronics received a question about why PDN is measured...

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

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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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Sep 5, 20131 min read

FAQ# 26: How do I pick a voltage regulator that will be good for my circuit?

Steve Sandler Answers Your Voltage Regulator Questions (Power Electronics’ Q&A Series) Power Electronics received a question about how to...

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Aug 27, 20131 min read

FAQ#25: How do you measure PSRR of a linear regulator circuit that powers an oscillator for an ADC?

Steve Sandler Answers Your PSRR Questions (Power Electronics’ Q&A Series Follow Up) Earlier this month Power Electronics received a...

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Aug 27, 20131 min read

How to Solve 8 of 10 Design Issues

The vast majority of design issues are directly or indirectly attributable to control loop stability. The most common offenders: Linear...

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Aug 20, 20131 min read

Inductors for the Uninitiated

What could be simpler than inductors? Pick one from a catalog based on saturation, inductance, DCR, etc, and you’re done. If you need...

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

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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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FAQ #24 J2180A 0.1Hz -100MHz Ultra Low Noise Preamp: Do you have any figures for the noise level ie

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Aug 7, 20131 min read

FAQ #24 J2180A 0.1Hz -100MHz Ultra Low Noise Preamp: Do you have any figures for the noise level ie

Here is a typical noise plot showing the typical noise is 2.4nV/rt_Hz when using the J2180A Ultra Low Noise Preamp. #faq #j2180a #noise...

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

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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

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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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May 1, 20131 min read

Target impedance based solutions for PDN may not provide realistic assessment

One of the more common design techniques for power distribution networks (PDN) is the determination of the peak impedance that will...

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Apr 11, 20132 min read

FAQ #23 What Injectors do I need for PDN Measurements?

Our J2112A current injector has been the most requested product to date. It provides a very fast low current pulse, though based on a RF...

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