R S Ngp800 Power Supply 5e78fbba427be

Power Supplies Boost Efficiency with Up To Four Independent Channels

March 23, 2020
With two- and four-channel models, Rohde & Schwarz’ latest power supplies let designers and quality-assurance teams simulate a noisy supply.

Looking to boost efficiency in labs or on production lines? One possibility is Rohde & Schwarz’s NGP800 series of power supplies. The line includes five models with two or four independent power supplies in a minimal overall footprint. Voltages range up to 250 V, currents go up to 80 A, and power is as much as 800 W. Each channel supplies up to 200 W with a maximum of 20 A or 64 V, which covers automotive and industrial applications. Users benefit from a large 5” high resolution touch screen, which also displays detailed statistics.

Channels can be operated fully independently or synchronized; the electrically equivalent and galvanically-isolated outputs can be wired in series for outputs up to 250 V or in parallel for up to 80 A. The tracking function makes it possible for users to adjust voltage and current simultaneously on selected channels, with programmable output delays used to meet specific power-up sequences. The supplied voltage can be ramped up to the required level in any period from 10 ms to a minute. All outputs operate in either constant-voltage or constant-current modes. To protect devices supplied with power, all models include overcurrent, overvoltage, and overpower protections.

To meet the requirements of both developers and quality-assurance teams, users may set up changes in voltage and current level over time using the QuickArb function. By so doing, users can simulate instable power supplies with the R&S NGP800. Remote sensing enables users to regulate the voltage directly at the input terminals of the powered device itself, instead of at the power supply’s output terminals, so that exactly the required voltage is supplied.

Moreover, the R&S NGP800 includes functions for logging voltage, current, and power values over time for all outputs. Data logs can easily be exported as .CSV files for in-depth analysis or documentation needs. The settings for all channels and functions can also be stored and recalled at the touch of a button, and even exported as a file to other NGP800s to duplicate the power setup.

For ATE or production-line applications, the supplies feature both advanced remote capabilities and fast command processing times that fully meet the requirements of such use cases. Optional digital I/O and analog input interfaces further extend the scope of applications.

The NGP800 power-supply series is available now.

Rohde & Schwarz, www.rohde-schwarz.com

About the Author

David Maliniak | Executive Editor, Microwaves & RF

I am Executive Editor of Microwaves & RF, an all-digital publication that broadly covers all aspects of wireless communications. More particularly, we're keeping a close eye on technologies in the consumer-oriented 5G, 6G, IoT, M2M, and V2X markets, in which much of the wireless market's growth will occur in this decade and beyond. I work with a great team of editors to provide engineers, developers, and technical managers with interesting and useful articles and videos on a regular basis. Check out our free newsletters to see the latest content.

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About me:

In his long career in the B2B electronics-industry media, David Maliniak has held editorial roles as both generalist and specialist. As Components Editor and, later, as Editor in Chief of EE Product News, David gained breadth of experience in covering the industry at large. In serving as EDA/Test and Measurement Technology Editor at Electronic Design, he developed deep insight into those complex areas of technology. Most recently, David worked in technical marketing communications at Teledyne LeCroy, leaving to rejoin the EOEM B2B publishing world in January 2020. David earned a B.A. in journalism at New York University.

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