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Communication Test

Swapfest May 2025: test equipment

June 2, 2025 By Martin Rowe Leave a Comment

Krautkrämer USM 2

The May 2025 gathering of the monthly electronics “Flea at MIT” swapfest featured an excessive number of test instruments. We break them down into oscilloscopes, meters, and signal sources. Click on any image to enlarge in a new tab. Oscilloscopes A Tektronix analog modular oscilloscope. The black bezel hides the model number. This unit has […]

Filed Under: Calibration, Communication Test, Featured, Meters & Testers, Oscilloscopes, signal generator, signal generators Tagged With: Hewlett-Packard, rigoltechnologies, Tektronix

OFC 2025: Test equipment

April 21, 2025 By Martin Rowe Leave a Comment

This year’s OFC in San Francisco featured one thing, or so it seemed: 1.6T. Every company making optical modules was showing them lest they be left behind in the always accelerating data rate race. As with any emerging technology, test equipment must lead the way. After all, how do you know if anything works unless […]

Filed Under: Communication Test, Featured, Optical, vector network analyzers, Video Tagged With: anritsu, bristolinstruments, EXFO Electro-Optical Engineering Inc., keysighttechnologies, spirentcommunications, viavisolutions

How to calculate and apply an inverse FFT: part 1

December 12, 2024 By Rick Nelson Leave a Comment

The inverse Fourier transform (inverse FFT or iFFT) reverses the operation of the Fourier transform and derives a time-domain representation from a frequency-domain dataset. In early 2024, EE World published a series on the Fourier transform, which can convert a time-domain signal to the frequency domain (Figure 1, red arrow). The process is reversible (Figure […]

Filed Under: Communication Test, Digital Oscilloscope, FAQ, Featured, PC-based spectrum analyzers, spectrum analyzer Tagged With: FAQ

RF cables cover frequencies to 43.5 GHz for test applications

November 19, 2024 By Martin Rowe Leave a Comment

Cables available in three standard lengths with SMA, 2.92 mm, and 2.4 mm end connectors. Samtec’s LL043 Series Nitrowave microwave cable assemblies have performance is optimized from DC to 43.5 GHz with a maximum VSWR of 1.4:1. The 43.5 GHz bandwidth lets the cables operate at 5G mmWave frequencies as well as those used in […]

Filed Under: 5G, Communication Test, wireless test equipment Tagged With: samtec

RF cable tests devices to 43.5 GHz

November 13, 2024 By Aimee Kalnoskas Leave a Comment

Samtec, Inc. is announcing the availability of full production quantity for its LL043 Series Nitrowave high-performance microwave cable assembly. Nitrowave is Samtec’s new flexible, low-loss microwave coaxial cable product line that demonstrates outstanding amplitude and phase stability in test and measurement, as well as 5G datacom, defense, aerospace, and computer/semiconductor applications. Nitrowave is easily recognizable […]

Filed Under: 5G, Communication Test, Test Equipment Tagged With: samtec

Voice testing platform adds satellite communications

September 13, 2024 By Aimee Kalnoskas Leave a Comment

GL Communications Inc. addressed the press regarding their Satellite Testing Solutions. These solutions evaluate the user experience across satellite communication networks. As the demand for satellite networks increases for mission-critical applications and rural home internet, GL provides tools that interface with satellite endpoint devices, generate customizable audio, objectively measure voice quality, and produce detailed reports. […]

Filed Under: Communication Test, Test Equipment Tagged With: glcommunications

Free online tools perform RF calculations

August 29, 2024 By Martin Rowe Leave a Comment

RF design tool

RF engineers often need to calculate parameters such as VSWR and RLC networks. Ampleon provides these and other free RF design tools for you to use. Ampleon, a maker of RF components, provides engineers with a free RF online tools page where you can find four sets of useful tools. Each of the four tools […]

Filed Under: Communication Test, Featured, New Articles Tagged With: ampleon

Verify, test, and troubleshoot 5G Wi-Fi FWA gateways

August 21, 2024 By Xiang Li, Keysight Technologies Leave a Comment

By Xiang Li, Keysight Technologies Follow these three steps to ensure your fixed-wireless access designs will be compatible with the Wi-Fi fronthaul and 5G backhaul. Many areas lack the wired infrastructure to bring residential broadband access. Making those connections has become costly and inefficient. Fixed Wireless Access (FWA) has emerged as a compelling alternative to […]

Filed Under: Communication Test, FAQ, Featured, Featured Contributions, wireless, wireless test equipment Tagged With: FAQ

Analog telecom lives, bulk-call generator tests 2 & 4-wire lines

August 14, 2024 By Aimee Kalnoskas Leave a Comment

GL Communications Inc. addressed the press regarding their high-capacity analog 2-Wire FXO/FXS or 4-Wire E&M bulk call generator used to test a Central Office, PBX, Analog Telephone Adapter, Optical Network Terminal/Optical Line Terminal, Gateways, and other telecommunications equipment. This system is a compact rack-mount solution that includes server hardware, GL MAPS software, and channel banks, with […]

Filed Under: Communication Test, signal generator, Test development software, Test Equipment Tagged With: glcommunications

OFC 2024: How AI and silicon photonics will drive network test

August 8, 2024 By Martin Rowe Leave a Comment

EE World spoke with Sarah Boen, Director of Technology and ASIC Strategy at Tektronix, who spoke at a panel session on how AI and silicon photonics are changing networks and the challenges facing test engineers and reliability engineers.

Filed Under: Communication Test, Featured Tagged With: Tektronix

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The factors of accurate measurements

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