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Small Business Innovation Research/Small Business Tech Transfer

Ka-Band MMIC T/R Module, Phase I

Completed Technology Project
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Project Description

Ka-Band MMIC T/R Module, Phase I
This proposal is specifically written to address the need for improved Ka-band T/R modules. The solicitation calls for investigation and development of core technologies that will significantly improve T/R module performance. Improvements needed include reduced power consumption, mass, and size. Hittite Microwave Corporation is a fabless semiconductor company that has been developing microwave monolithic integrated circuits (MMICs) for over 19 years. Hittite proposes three possible areas of focus for the SBIR program, transmitter power amplifiers, receiver integration or complete T/R functionality. By far the largest contributor to the size and weight of a T/R module is the power amplifier. Both GaN and MHEMT are new technologies that have the potential for substantial improvement over incumbent PHEMT technology. MHEMT is most suited to power levels below 4 Watts reverting to the higher power density GaN technology at higher power levels. Both MHEMT and advanced SiGeBiCMOS technologies such as IBM 8HP can be consider for receiver functions. Finally MHEMT strikes a good balance as a single technology platform for a moderate power level (<2 Watt transmit) T/R MMIC/module at 35 GHz. The proposal includes a technology summary as well as basic design considerations and examples of LNAs, PAs and phase shifters. More »

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