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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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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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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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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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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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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