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Cobham and RFHIC to Develop GaN Solid State Radar

Engineers will develop GaN amplifier modules for 175kW solid-state transmitter prototype

US technology company Cobham and Korean firm RFHIC have signed an agreement, in which Cobham engineers will incorporate RFHIC's GaN technology into the company's next-generation RF products.

Within the agreement, Cobham and RFHIC engineers will develop GaN High Power Amplifier (HPA) modules that can be integrated into a 175kW solid-state transmitter prototype.

Work will be performed by Cobham Integrated Electronics Solutions, a business unit of CAES at its Exeter, New Hampshire site.

"GaN-based solid state transmitter technology is affordable, reliable, and scalable, and has a number of advantages over traditional Vacuum Electronic Devices (VED) used in current transmitter designs," says Bob McArthur, business Area VP for Cobham Integrated Electronic Solutions.

"Benefits include a significant increase in Mean Time Between Critical Failure (MTBCF), substantial decreases in operational and sustainment costs, and graceful degradation in the event of hardware failure, as opposed to single point of failure or instantaneous shutdown."

Cobham has successfully developed a 35KW prototype S-Band solid state transmitter for air traffic control and weather radar applications.  

Cobham and RFHIC will together explore domestic and international civil and military radar applications for GaN-based solid state technologies.  Additionally, the partnership between Cobham and RFHIC may help provide offset obligations between Korean Military and US Navy contracts. 

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