Ka-Band Front-End Monolithic Microwave Integrated Circuits (MMICs) and Transmit-Receive (T/R) Modules

reportActive / Technical Report | Accession Number: AD1086068 | Open PDF

Abstract:

The US Army Research Laboratory has been evaluating and designing efficient broadband high-power amplifiers, switches, and high-dynamic-range low-noise amplifiers for use in networking and communications at millimeter wave frequencies. Gallium nitride GaN monolithic microwave integrated circuit MMIC technology has superior performance in power amplifier applications as well as for low-noise amplifiers with high dynamic range and the ability to survive large, potentially damaging, input power levels without the need for additional limiters at the system level. This technology works well for high-power, solid-state switches, as well. Compact MMIC transmitreceive modules for use in Ka-band 28 GHz applications, particularly transceiver arrays, were designed and submitted to Qorvo for fabrication. Future transceiver designs could build on this effort by adding functionality, integrating new features in a single GaN MMIC, or using 3-D packaging to utilize the best integrated-circuit technology for the particular function to create compact systems in a package.

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