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keysight

Test system validates 400GE networks and devices

February 16, 2021 By Lee Teschler Leave a Comment

keysight 400GE

The new AresONE-S 400GE test system enables network equipment manufacturers and data center operators to validate complex, mixed 400 gigabit Ethernet (GE) and lower-speed networks and devices. Data center operators have widely deployed mature 100GE non-return-to-zero (NRZ)-based technologies. However, higher Ethernet speeds, such as 400GE, create new mixed signaling and forward error correction (FEC) implementations […]

Filed Under: Test Equipment Tagged With: keysight

Basics of QAM reception and its measurement

December 3, 2020 By David Herres Leave a Comment

QAM

A conventional AM broadcast generally begins in the studio as a music or voice audio signal. The audio signal modulates the amplitude of a radio-frequency electrical signal. This AM signal–also referred to as double-sideband amplitude modulation to distinguish it from single-sideband modulation–produces equal frequency sidebands on either side of the center frequency. In single-sideband modulation […]

Filed Under: FAQ, Featured, New Articles, vector network analyzer Tagged With: FAQ, keysight

The back and forth of interferometer technology

September 15, 2020 By David Herres Leave a Comment

interferometers

Conceptually, the interferometer is a relatively simple instrument that compares two distances typically differing only by a slight amount. Two waves, often coherent light waves, reflect from standard mirrors mounted at the object under investigation. The light from one mirror passes through a half-silvered mirror while the light from the other reflects from the back […]

Filed Under: FAQ, Featured, New Articles Tagged With: FAQ, keysight

The complexity of wireless receiver testing

June 3, 2020 By Lee Teschler Leave a Comment

Receiver intermodulation products

Eric Hsu | Keysight Technologies, Inc. The demand for wireless communications now challenges the physical limitations of today’s wireless communications systems. Interference can easily arise when systems operate in a crowded wireless environment using a shared spectrum. Signal congestion makes the process of designing, testing, and isolating system problems more complex. In the next few […]

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

Using the scope integration function to determine energy use

November 9, 2017 By David Herres Leave a Comment

scope integration

Integrals come in handy in measuring power consumption when that consumption is intermittent or corresponds to a dissipation vs. time function that is irregularly shaped. The classic example is that of a controller that wakes up every second or so. You can, of course, use single-shot capture to get the current waveform when the controller […]

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

Automotive Ethernet test software covers BroadR-Reach, 100Base-T1 and 1000Base-T1 formats

October 27, 2017 By Test and Measurement Editor Leave a Comment

Keysight Technologies, Inc. today unveiled a total of five new automotive Ethernet solutions at the Automotive Testing Expo 2017, Suburban Collection Showplace, Booth 2008, Novi, Michigan, Oct. 24-26. These solutions help automotive design and test engineers bring their products to market faster with easy-to-use conformance testing. Among the innovations unveiled publicly for the first time is […]

Filed Under: Automotive and Aerospace Tagged With: keysight

Newark element14 to handle E36300 Series triple output power supplies from Keysight

October 19, 2017 By Lee Teschler Leave a Comment

E36300 Series Triple Output Power Supply

Newark element14 is now stocking the E36300 Series Triple Output Power Supplies, the latest product from Keysight’s general purpose bench power supplies range. The E36300 Series is said to be one of the quietest power supplies on the market with low output ripple/noise and accurate voltage/current measurement. Key features include an easy-to use front panel […]

Filed Under: instrumentation power supplies, Power supplies Tagged With: farnellelement14, keysight, newarkelement14

Proof-of-parameter test leads experts to formally request NB-IoT standard revision for transceivers

July 19, 2017 By Lee Teschler Leave a Comment

v5g_verificationlibrary

While designing a narrowband internet of things (NB-IoT) terminal transceiver, experts from Hong Kong Applied Science and Technology Research Institute (ASTRI) discovered an improper definition in the NB-IoT standard’s receiver wideband intermodulation requirement. The requirement was more stringently specified than that in the LTE standard, which runs counter to the promise of offering low-cost/low-power NB-IoT […]

Filed Under: Test Equipment, wireless test equipment Tagged With: keysight

The modern economics of renting test instruments

June 29, 2017 By Lee Teschler Leave a Comment

rental instruments

The development of online instrument exchanges puts a new wrinkle into how to get the optimum use of test gear. LEE TESCHLER EXECUTIVE EDITOR When a project comes up that involves expensive test gear like gigahertz-range signal analysis, statistics from the Equipment Leasing & Finance Foundation show this kind of instrumentation is increasingly acquired through […]

Filed Under: Test Equipment Tagged With: ebay, keysight, kwipped, rhodeschwarz, Tektronix, testequity

Photo gallery: Here’s what happens during Keysight’s Test-drive 2017

May 2, 2017 By Lee Teschler Leave a Comment

keysight room shot

Instrument maker Keysight is conducting what it calls a North American test-drive tour at 30 cities in the U.S. and Canada this spring. We sat in during the stop in Cleveland, Ohio. Here’s what we saw.

Filed Under: Featured, New Articles, Oscilloscopes, Test Equipment Tagged With: keysight

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