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Test and Measurement News

PHY conformance test tool to support UWB development efforts

June 27, 2022 By Lee Teschler Leave a Comment

rhode schwarz

A FiRa-validated ultra-wideband (UWB) PHY Conformance Test Tool (PCTT) supports the further development of an open and standardized UWB ecosystem. With expertise and experience in wireless technology verification and certification, Rohde & Schwarz is well positioned to provide a test tool to support interoperability on the UWB physical layer as specified by FiRa. Thanks to […]

Filed Under: New Articles, Test and Measurement News Tagged With: rhodeschwarz

Can RF shock you?

June 24, 2022 By David Herres Leave a Comment

RF shock

Engineers know they’ll get a poke if they touch household ac wires. But RF current typically is not felt as electric shock because the frequency is too high to depolarize nerve membranes. However, RF current can cause both internal organ damage and surface radiation burns, so care must be taken to avoid high exposure. It’s […]

Filed Under: FAQ, Featured, New Articles, Test and Measurement News Tagged With: FAQ

Audio measurements for product development

June 17, 2022 By Daniel Knighten Leave a Comment

It pays to know the fundamental parameters that quantify the performance of sound equipment. Daniel Knighten, Audio Precision Quantitative, objective audio measurements have a role to play not just during design validation and as a manufacturing quality control tool, but during all stages of product development . They even come in handy during the earliest […]

Filed Under: FAQ, Featured, New Articles, Test and Measurement News Tagged With: audioprecision, FAQ

Whatever happened to parallel interfaces?

June 17, 2022 By David Herres Leave a Comment

Back in the early days of desktop personal computers, parallel interfaces were the norm rather than the exception. The parallel moniker refers to the way the data is sent; parallel ports send multiple bits of data simultaneously, as opposed to serial communication where bits pass one-at-a-time typically over a single connection. The rationale for parallel […]

Filed Under: FAQ, Featured, New Articles, Test and Measurement News Tagged With: FAQ

Is there such a thing as a catenary antenna?

June 3, 2022 By David Herres Leave a Comment

parabolic antennas

A conic section is formed by the intersection of a plane that cuts though a cone, usually with the circle at the top and the hyperbola at the bottom. Between them lie the ellipse and the parabola. The parabola has distinctive properties when rotated in space to make a concave surface. The parabola can be […]

Filed Under: FAQ, Featured, New Articles, Test and Measurement News, wireless Tagged With: FAQ

Design-to-test data analytics software speeds development tasks

May 24, 2022 By Lee Teschler Leave a Comment

The new DataStudio design-to-test data analytics solution provides the foundation for a modern, secure, scalable engineering data infrastructure and applications, accelerating the pace of innovation for wireless, semiconductor, and electronics innovators. Consistent with the need to fast-track product development, DataStudio bridges critical data across the semiconductor design and test workflow. DataStudio Specification Compliance Manager (SCM), […]

Filed Under: New Articles, Test and Measurement News Tagged With: nationalinstruments

The up side of under sampling

May 20, 2022 By David Herres Leave a Comment

A digital signal can be derived from the original time-varying, continuous analog signal by creating a sampled sequence of quantized values. It is intuitively evident that the fidelity and resolution of this quantized signal is based upon the number of samples taken per unit of time. Harry Nyquist published an early version, later further formalized […]

Filed Under: FAQ, Featured, New Articles, Test and Measurement News Tagged With: FAQ, texasinstruments

Measuring and using static electricity

May 12, 2022 By David Herres Leave a Comment

static electricity

Many moons ago, a future member of our editorial staff was playing with his very first multimeter. He was a farm kid. One of his first experiments was to put the negative lead of the meter on a ground rod and the positive lead on one of the metal bands used to reinforce the interlocking […]

Filed Under: FAQ, Featured, Meters & Testers, Test and Measurement News Tagged With: FAQ

Coaxial cable myths and misunderstandings

May 6, 2022 By David Herres Leave a Comment

coax myths

In this age of misinformation, you can add coaxial cable to the list of items for which it is easy to get steered wrong based on internet searches. Much of the bogus online commentary about coax relates to cable loss, cable impedance, and standing waves. Here are a few basics that may help sort the […]

Filed Under: FAQ, Featured, New Articles, Test and Measurement News Tagged With: FAQ

The difference between the Faraday effect and Faraday’s law of induction

April 1, 2022 By David Herres Leave a Comment

faraday effect

Michael Faraday is probably best known for his law of induction. But he also discovered the Faraday Effect in 1845 which states that light and electromagnetism are related phenomena. Faraday asserted that, in fact, light is a form of electromagnetism, anticipating James Clerk Maxwell by nearly two decades. Faraday stated that when a solid or […]

Filed Under: FAQ, Featured, Test and Measurement News Tagged With: FAQ

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