Empower RF Systems
666b9d29813cfd631a214f79 Empower Rf 2254 Gradient

Pulsed S-band Transmitter Leverages GaN-on-SiC

June 14, 2024
With peak power output of 15 kW, Empower RF’s model 2254 transmitter is ready for active duty in radar and EW applications.
Photo 8822040 © Songquan Deng | Dreamstime

Browse our complete IMS 2024 coverage.

Empower RF Systems will be at IMS 2024 (Booth 1730) to show off its Model 2254 S-Band pulsed transmitter. This air-cooled, high-power transmitter operates from 2900 to 3500 MHz and meets the demanding requirements of radar, electronic warfare, and directed-energy research applications.

With its peak power output of 15 kW, the 2254 is said to be one of the most powerful S-band transmitters in its class. Thanks to a duty cycle of up to 20% and pulse widths of up to 500 µs, this Class AB transmitter can drive sustained high-power pulses for extended periods, ensuring reliable performance in mission-critical scenarios.

The amplifier subsystem features multiple, high-power, gallium-nitride-on-silicon-carbide (GaN-on-SiC) power transistors that offer wide frequency response, high gain, high peak power, and low distortion. High reliability and efficiency are achieved through the use of advanced broadband RF matching networks and combining techniques, EMI/RFI filtering, and qualified components. Each drawer in the rack enclosure includes integral forced-air cooling. The system operates from 180 to 260 V AC, three-phase.

A built-in control and monitoring system includes protection functions, while remote management and diagnostics are handled via an Ethernet port to a LAN. Operators can manage functionality remotely using either a web browser or machine-to-machine interface, or they can use the system’s built-in touchscreen.

Browse our complete IMS 2024 coverage.

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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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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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