Testing RF power amps with scopes

by Mike Borsch and Mike Schneckler, ROHDE & SCHWARZ Modern transceivers often incorporate several parallel RF front ends whose control signaling can be sorted out with advanced instrumentation….

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Managing interfaces in power supplies for test equipment

by Lorenzo Cividino and Paul Kingsepp, SL POWER ELECTRONICS CORP An awareness of standards for conducted and radiated emissions helps in fielding power supplies that don’t cause havoc…

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Flexible power for critical mission systems

by Gerald Hovdestad, Behlman Electronics Commercial-off-the-shelf power equipment can be an option for situations that normally demand specialized designs optimized for harsh conditions. A lot of DOD and…

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dynamic range featured

The Difference Between Dynamic Range of an Oscilloscope and Dynamic Range of a Spectrum Analyzer

When you hook a signal up to an oscilloscope or spectrum analyzer, you have usually done so because you are looking at a signal that is changing over…

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New High-Speed, High-Resolution PXIe Digitizers Feature Fast Data Transfers

High-Speed, High-Res PXIe Digitizers feature
Fast Data Transfers

Spectrum Instrumentation has released its first high-speed digitizer product line based on the popular PXIe (PXI Express) modular instrumentation standard. The M4x.44xx series consists of six new products…

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waveguide featured

Basics of waveguides

Monday, March 23, 2015

There is something almost comical about a waveguide – the notion that electromagnetic signals or usable power could pass through a hollow pipe and that techniques appropriate to…

oliver heaviside

Oliver Heaviside and Maxwell’s equations

Friday, March 6, 2015

Oliver Heaviside’s life, spanning the years 1850 to 1925, began and ended in squalid surroundings. He was never entirely free of the dark melancholy that characterized his private…

keithley handbook

Answer this 5-question quiz, win a measurement handbook

Thursday, March 5, 2015

What’s your test IQ? Answer this five-question quiz and be entered to win one of 20 Low Level Measurement Handbooks graciously donated to us by Keithley Instruments, a…

VFD simple schematic

Variable Frequency Drives: Viewing the DC Bus

Thursday, September 25, 2014

By David Herres In the field of motion control it’s often necessary to vary the speed of an electric motor and even reverse its direction of rotation. When…