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C4iSR: Air

AUSA 2018: Raytheon adds GaN to GEM-T to improve reliability

11 October 2018

Raytheon announced it will begin using gallium nitride (GaN) computer chips in new production Guidance Enhanced Missile-TBM (GEM-T) interceptors to replace travelling waveform tubes (TWT) currently used in the missile's transmitter.

By upgrading GEM-T's transmitter with GaN chips, Raytheon expects to see improved reliability and efficiency with the interceptor. Additionally, transitioning to GaN in new production missiles will mean the transmitters will not need to be replaced for the life of the interceptor, Bob Kelley, a senior manager at Raytheon IDS, told Jane's on 8 October at the annual Association of the United States Army (AUSA) symposium in Washington, DC.

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