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oscilloscope measurements

CAN XL trigger and decode software works on scopes

April 21, 2022 By Lee Teschler Leave a Comment

keysight

An oscilloscope-based automotive protocol trigger/decode solution (D9010AUTP) covers CAN XL (Controller Area Network eXtra Long) protocol that enables engineers to verify and debug low-speed automotive serial bus protocols and simplify the development and troubleshooting of systems including CAN/CAN FD (Flexible Data Rate) and CAN XL. CAN XL is the third-generation CAN standard in development by […]

Filed Under: oscilloscope measurements Tagged With: keysighttechnologies

Does Kirchhoff’s Voltage Law really fail?

March 25, 2022 By David Herres Leave a Comment

kirshhoff's law

Gustav Kirchhoff (1824-1887) was an accomplished Prussian physicist and instrument maker, and best known for his current and voltage circuit laws. Kirchhoff’s first circuit law, known as his current law, states that the algebraic sum of currents in a network of conductors meeting at a point is zero. Kirchhoff’s second circuit law, known as his […]

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

Teaching instrumentation gets new filter options, lock-in amp

March 23, 2022 By Lee Teschler Leave a Comment

Moku:Go

New enhancements for Moku:Go, a complete, portable and accessible lab solution platform designed for engineers and students to actively test designs and projects, feature a full range of connectivity, optional programmable power supplies and an intuitive user interface. These enhancements include the addition of new instruments for Moku:Go: Digital Filter Box: A tool to design […]

Filed Under: Bench Test, Meters & Testers, oscilloscope measurements Tagged With: liquidinstruments

Scope test regime validates PCIe 6.0 standard transmitters

February 16, 2022 By Lee Teschler Leave a Comment

tektronix

An oscilloscope software pack implements PCI Express 6.0 compatible Base transmitter tests. PCIe 6.0 is an important and scalable standard for data-intensive markets such as data center, artificial intelligence/machine learning (AI/ML), and high-performance computing. To meet ever growing performance demands, PCIe 6.0 standard transitions to PAM4 signaling and new innovative error correcting techniques. The Tektronix […]

Filed Under: oscilloscope measurements Tagged With: Tektronix

Measuring resonance with a scope and signal generator

December 22, 2021 By David Herres Leave a Comment

capacitor self resonance

One of the first things EE students learn in their ac circuits course is resonance. Electrical resonance, to quickly review, arises in an electric circuit at a frequency called the resonances frequency when the impedances or admittances of circuit elements cancel each other. In some circuits, resonance happens when the impedance between the input and […]

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

Tricks for pulling signals out of noise

December 10, 2021 By David Herres Leave a Comment

minimizing noise

Thermal noise, also known as Johnson-Nyquist noise, is generated by thermal agitation of charge carriers inside an electrical conductor or component regardless of any applied voltage. A small voltage can actually be measured across a wire segment that is at non-zero temperature and lying on a non-conductive surface. Apprentice electricians are puzzled by this phenomenon, […]

Filed Under: FAQ, Featured, oscilloscope measurements Tagged With: FAQ, keysighttechnologies

PHY interposer supports PCI Express 5.0 CEM spec

November 22, 2021 By Lee Teschler Leave a Comment

teledyne lecroy

The CrossSync PHY technology now supports the PCI Express 5.0 Card Electromechanical (CEM) specification. This new CEM interposer (PE230UIA-X) joins the existing CrossSync PHY enabled M.2 form factor interposers (PE210UIA for PCIe 4.0 and the PE222UIA for PCIe 5.0), with more form factors in development to fill out the portfolio of cross-layer probing. Engineers at […]

Filed Under: oscilloscope measurements, Oscilloscopes Tagged With: teledynelecroy

Making pictures from sound on an oscilloscope

November 19, 2021 By Lee Teschler Leave a Comment

music on scopes

If you take an ordinary sound file and feed it to both channels of an oscilloscope operating in X-Y mode, you’ll get an image on the scope looking a lot like a pulsating straight line at some angle to the horizontal. But the situation changes if you use a stereo signal with the left channel […]

Filed Under: FAQ, Featured, oscilloscope measurements Tagged With: FAQ

Odd ball application department: Using a scope to display SEM images

October 29, 2021 By Lee Teschler Leave a Comment

The Applied Science YouTube channel run by Ben Krasnow (who in his day job is a hardware engineer at Verily, Google Life Sciences) focuses on interesting applications of science and technology. One video in particular caught our eye where Kranow uses an oscilloscope to help view digital images captured by a scanning electron microscope made […]

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

Examining serial protocols with test instruments

July 30, 2021 By David Herres Leave a Comment

There are currently a large number of serial protocols in use. Many oscilloscopes include the capability to decode and display data sent over widely used serial buses. Recently, a blog on the Tektronix website detailed which serial decode packages engineers most commonly configure on the Tektronix scopes they order. The buses that turn out to […]

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

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