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Oscilloscopes, electronics engineering industry news, how-to EE articles and electronics resources

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Test Equipment

What specialist software is available for USB oscilloscopes? part 1

August 31, 2023 By Jeff Shepard Leave a Comment

USB oscilloscopes capture analog and digital signals. Through software, engineers can analyze protocols and logic signals. By adding a D/A converter, a USB oscilloscope can also become a waveform generator. A USB oscilloscope consists of the signal capture and conditioning electronics package, a personal computer (PC) that can be a laptop or tablet unit, or […]

Filed Under: Digital Oscilloscope, FAQ, Featured, PC-based Oscilloscopes - PCO, PC-based Test Equipment Tagged With: digilent, FAQ, mathworks, nationalinstruments, Pico Technologoy

That Maxwell book that was returned to a library 115 years late: what’s it about? Part 2

August 22, 2023 By Rick Nelson Leave a Comment

Work on resistance measurement, described in An Elementary Treatise on Electricity, helped pave the way to successful trans-Atlantic telegraphy. In Part 1, I discussed An Elementary Treatise on Electricity by James Clerk Maxwell. One volume made national news earlier this summer when it was returned to New Bedford, Mass. Free Public Library 115 years overdue. […]

Filed Under: FAQ, Featured, Sensing, Temperature Measurement, Test Equipment

That Maxwell book that was returned to a library 115 years late: what’s it about? (Part 1)

August 15, 2023 By Rick Nelson Leave a Comment

Published in 1881, An Elementary Treatise on Electricity evolved from notes Maxwell had written in preparation for lectures on electricity at the Cavendish Laboratory. In June 2023, the national media carried a story about a book 115 years overdue that was returned to the Free Public Library in New Bedford, Mass. The book turned out […]

Filed Under: FAQ, Featured, Sensing, Temperature Measurement, Test Equipment

How does a thermocouple work, and do I really need an ice bath? part 2

July 17, 2023 By Rick Nelson Leave a Comment

Modern thermocouple instruments automate the cold-junction-compensation process. Part 1 of this two-part series introduced thermocouple cold-junction compensation (CJC). This part will elaborate on the concept. Table 1, presented in part 1 and repeated here, lists a subset of the NIST voltage and temperature data for the type T thermocouple.Figure 1 shows a typical measurement setup, […]

Filed Under: FAQ, Featured, Temperature Measurement

How does a thermocouple work, and do I really need an ice bath? part 1

July 10, 2023 By Rick Nelson Leave a Comment

Efforts at the Bureau of Standards 110 years ago paved the way for the cold-junction-compensation technique used today. Thermocouples have long been used to make temperature measurements. They are simple, consisting of a pair of wires of dissimilar metals welded together at one end. They are rugged, operate over wide temperature ranges, and generate readily […]

Filed Under: FAQ, Featured, Temperature Measurement Tagged With: FAQ

IMS 2023 roundup: test equipment

July 3, 2023 By Martin Rowe Leave a Comment

Test equipment plays a major role in product development and production, which was apparent at IMS 2023. In the photos and videos below, you’ll get a taste of test developments at RF, mmWave, and sub-THz frequencies. This year, D-band (110 GHz to 170 GHz) seized a larger portion of the exhibit hall than in past […]

Filed Under: Communication Test, Featured, PC-based spectrum analyzers, spectrum analyzer, vector network analyzer, vector network analyzers, Video, wireless test equipment Tagged With: anritsu, astronics, keysighttechnologies, marvintestsolutions, pickeringinterfaces, rohdeschwarz, siglenttechnologies, signalhound, taborelectronics, TMYTEK

SoC generates RF test signals and analyzes results

June 23, 2023 By Martin Rowe Leave a Comment

The Apollo MxFE software-defined signal processing SoC from Analog Devices digitizes and generates analog signals with DSP in between. Applications cover aerospace & defense, instrumentation, and wireless communications. Digitizing high-speed signals, processing them, and creating responses typically requires separate ADCs, DACs, and DSPs or FPGAs. The Apollo MxFE system-on-chip (SoC) combines signal capture, creation, and […]

Filed Under: Analyzer, Communication Test, signal generator, spectrum analyzer, wireless test equipment Tagged With: analog devices

EE World’s 2023 T&M Handbook is now available

June 8, 2023 By Martin Rowe Leave a Comment

For 2023, the digital version features 11 technical articles that cover test from signal integrity on the bench to automated test on the production floor.

Filed Under: Bench Test, Calibration, Communication Test, Featured, Oscilloscopes

Co-packaged optics: promises and complexities

June 5, 2023 By Greg D. LeCheminant, Keysight Technologies Leave a Comment

Integrating optics into the same package as switching ASICs improves signal integrity and increases data rates, but challenges remain. Near-packaged optics could emerge as an interim solution to the problem. The constant need for more throughput in data centers pushes engineers to develop ever-faster optical and electrical links. In addition to designing for more speed, […]

Filed Under: Communication Test, FAQ, Featured, Optical Tagged With: keysighttechnologies

5G mmWave test builds on RF best practices

May 16, 2023 By David Vondran and Rodrigo Carrillo-Ramirez, Teradyne

The high level of integration in today’s mmWave phone means traditional test methods no longer apply.

Filed Under: 5G, Digital Edition Back Issue, FAQ, Featured, Featured Contributions, Test Equipment Tagged With: FAQ, teradyne

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