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Waveguide-Packaged, Voltage-Variable Attenuators Cover Wide Frequency Range

Nov. 3, 2022

These attenuators handle mmWave frequency bands from 26.5 to 110 GHz, serving to tune downlink channels to optimize system performance.

David Maliniak

Related To: Microwaves & RF

The Overview

Pasternack, an Infinite Electronics brand, now provides six new models of waveguide-packaged, voltage-variable attenuators covering popular mmWave frequency bands ranging from 26.5 to 110 GHz.

Who Needs It & Why?

These high-reliability attenuators are suited for downlink or receive channels that require adjusting/tuning of mmWave signal levels to optimize system-level performance.

Under the Hood

The voltage-variable attenuators, which leverage gallium-arsenide monolithic-microwave IC (GaAs MMIC) semiconductor technology, offer 0- to 30-dB attenuation tuning adjustment with a voltage range of 0 to 5 V dc.

The attenuators come in rugged, compact, military-grade, gold-plated aluminum packages that operate across −10 to +60°C and support a UG-383/U-M waveguide flange pattern at the RF input and output ports. Solder pins are used for dc voltage control and ground connections. They support a variety of waveguide sizes and can withstand exposure up to 95% relative humidity and altitudes of up to 10,000 feet.

This portfolio of broadband, waveguide, voltage-variable attenuators feature a fast switching speed of 25 ns typical; insertion loss ranges from 4 to 6 dB; and high-input power handling ranges up to +23 dBm.

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.