Wide Bandgap Amplifier Linearization (2008001)
Navy SBIR FY2008.1


Sol No.: Navy SBIR FY2008.1
Topic No.: N08-039
Topic Title: Wide Bandgap Amplifier Linearization (2008001)
Proposal No.: N081-039-0611
Firm: Hittite Microwave Corporation
20 Alpha Road
Chelmsford, Massachusetts 01824
Contact: David Helms
Phone: (978) 250-3343
Web Site: www.hittite.com
Abstract: The objective of the proposed program is to establish a design baseline for linearization of power amplifiers operating over the frequency band of 2.5 to 6 GHz (1 to 8 GHz goal). The proposed amplifier will be of a MMIC design fabricated by the novel technology of wide band-gap devices, GaN in particular. The power output goal is between 20-50 watts, and the goal for the power added efficiency is >35%. The Phase I effort will focus on analysis of nonlinear property of the amplifier and applicable linearization processes. The goal of linearization is to attain 30 dB total suppression of inter-modulation distortion with multiples (up to 8) carriers.
Benefits: The family of power amplifiers developed in this program will serve the need in the commercial market for cellular infrastructure and personal communication systems. There are literally billions of hand-held terminals operating in L/S band frequencies supported by and infrastructure made of base stations, relay stations and others. The proposed program will support introduction of novel technology into this market for high-performance (in terms of power output and efficiency) amplifiers. Hittite will bear the cost of productization and market introduction.

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