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Exceeding 100 Gbps with a sub-terahertz 6G testbed

July 1, 2022 By Greg Jue Leave a Comment

Here’s a look at testing necessary for super-high throughputs involved in the emerging area of 6G. Greg Jue, Keysight Technologies 6G research is in its early stages. The vision for what the International Telecommunication Union calls Network 2030 continues to take shape. While the industry is years away from starting the standards development process, subterahertz […]

Filed Under: Communication Test, FAQ, Featured, New Articles, Test Equipment, wireless test equipment Tagged With: FAQ, keysighttechnologies

The difference between electronic distortion and noise

July 1, 2022 By David Herres Leave a Comment

The concepts of distortion and noise in signal processing overlap to a limited extent, but they are distinct phenomena. Distortion in a signal is the alteration or change of the shape or some other characteristic of the waveform. In contrast, noise is an external random signal added to the original signal. It’s harder to remove […]

Filed Under: FAQ, Featured, New Articles, oscilloscope measurements, spectrum analyzer Tagged With: FAQ

Measuring ESR and ESL of dc-link capacitors

June 30, 2022 By Tim Ashworth, Meng Li Leave a Comment

Impedance analyzers work better than LCR meters when it comes to sizing up the super-low impedance and inductance of modern power converter capacitors. Tim Ashworth, Meng Li, Zurich Instruments DC-link capacitors are often found in power conversion applications such as inverters, motor drives, medical power supply equipment, and so forth. Consequently, dc-link capacitors often need […]

Filed Under: FAQ, Featured, New Articles, Test Equipment Tagged With: FAQ, zurichinstruments

Automotive cable and harness testing made easy

June 30, 2022 By Glen Broderick Leave a Comment

cable testing

A hipot tester, switch, and automated software can assure vehicle connectors are safe and reliable. Glen Broderick, Vitrek Inc. Loose or mismatched electrical components cause the highest rate of failures in vehicles. Often harnesses and components are inadvertently pinched, miswired or damaged during installation. Also, cable insulation that isn’t secured can wear through and cause […]

Filed Under: Automation, Automotive and Aerospace, FAQ, Featured, New Articles, Test Equipment Tagged With: FAQ, vitrek

Applying PC-based test & measurement instruments

June 30, 2022 By Trevor Smith Leave a Comment

pico technology

For some features, PC-based scopes sport higher performance than similar benchtop instruments. Trevor Smith, Pico Technology The debugging and validation of electronic systems calls for versatile instruments with wide-ranging functions and easy programmability. An engineer working on high-speed logic signals one day might be called upon to run a long-duration soak test the following day […]

Filed Under: FAQ, Featured, New Articles, PC-based Oscilloscopes - PCO Tagged With: FAQ, picotechnology

Test and measurement in education

June 29, 2022 By Paul Cracknell Leave a Comment

Lab classes become much more meaningful when students can operate their own test instruments rather than watch an instructor turn knobs and push buttons. Paul Cracknell, Liquid Instruments Consider the typical EE lab in the average university. Labs must be outfitted with costly equipment to give students exposure to the breadth of measurements that characterize […]

Filed Under: FAQ, Featured, New Articles, PC-based Oscilloscopes - PCO Tagged With: FAQ, liquidinstruments

Debugging digital and analog signals with cross-domain analysis

June 29, 2022 By Fernando Gomez Leave a Comment

multidomain oscilloscope analysis

Multi-domain signal analysis is blurring the line between real-time oscilloscopes and real-time spectrum and signal analyzers. Fernando Gomez, Tektronix Inc. Multi-domain signal analysis is enabled by advanced oscilloscope features such as 12-bit ADC, digital down conversion (DDC), and flexible channel inputs where each can be either analog or digital. As Signal Integrity (SI) and Power […]

Filed Under: Digital Oscilloscope, FAQ, Featured, New Articles, oscilloscope measurements Tagged With: FAQ, Tektronix

5G test equipment goes mainstream

June 29, 2022 By Lee Teschler Leave a Comment

5G test instruments

Performance qualities once only available in exotic instruments can now be found in gear designed for production testing. Rohde&Schwarz GmbH & Co. 5G has now made the jump from research to mainstream adoption, and most chip manufacturers are well down the road to developing second or third-generation components. In the early R&D phase, it was […]

Filed Under: New Articles Tagged With: FAQ, rohdeschwarz

Key considerations for RF power measurement equipment

June 29, 2022 By Bob Buxton Leave a Comment

boonton RF measurements

The choice of power sensor and meter greatly depends on the qualities of the signal being measured. Bob Buxton, Boonton Electronics Today’s complex modulation schemes and pulsed communication modes have brought the need to measure RF power ever more accurately and efficiently. There are multiple technologies available for the measurement of RF power, falling into […]

Filed Under: FAQ, Featured, Meters & Testers, Test Equipment Tagged With: boontonelectronics, FAQ

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

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