#j2130a

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...

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Picotest

Oct 30, 20141 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,...

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Picotest

Oct 3, 20141 min read

Techniques for accurate PSRR measurements

By John Rice, System Engineer, Texas Instruments and Steve Sandler, Managing Director, Picotest Introduction In theory, measuring the...

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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...

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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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Picotest

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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How to Make Higher Voltage Power-Distribution-Network Measurements

Picotest

Jan 23, 20131 min read

How to Make Higher Voltage Power-Distribution-Network Measurements

Assuming the AC signals in the measurement are very small, the power ratings of the ports limit the absolute maximum DC voltage that can...

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Picotest

Oct 23, 20121 min read

Clock Power Optimization Depends On Jitter Control

Clock-jitter performance has become a top priority among clock, analog-to-digital controller (ADC), and power-supply manufacturers. Why?...

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Picotest

Sep 4, 20121 min read

Making Ripple Measurements

Making ripple measurements has traditionally been using an oscilloscope. For a number of technical reasons, an oscilloscope, in general,...

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Use A Signal Analyzer To Measure Power Supply, Regulator, and Reference Noise

Picotest

Aug 6, 20121 min read

Use A Signal Analyzer To Measure Power Supply, Regulator, and Reference Noise

Oscilloscopes often are used to measure power supply, linear regulator, and reference noise. Since an oscilloscope has a sensitivity in...

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Effectively Using the EM-6992 Near Field Probe Kit to Troubleshoot EMI Issues

Picotest

Jun 22, 20121 min read

Effectively Using the EM-6992 Near Field Probe Kit to Troubleshoot EMI Issues

The EM-6992 Probe Kit includes three magnetic (H) field and two electric (E) field passive, near-field probes and an extension handle...

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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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Measuring Optocouplers with the J2130 DC Bias Injector and the OMICRON Lab Bode 100 VNA

Picotest

Aug 1, 20111 min read

Measuring Optocouplers with the J2130 DC Bias Injector and the OMICRON Lab Bode 100 VNA

In this measurement the J2130A provides a DC bias to the Optocoupler LED, which returns to ground through a termination resistor. The...

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Picotest

Jun 9, 20111 min read

Selecting Test Signal Injectors

A number of test signal injectors are used when evaluating the performance of power supplies and other low-frequency components with a...

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