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Small Business Innovation Research/Small Business Tech Transfer

Ka-Band MMIC T/R Module, Phase II

Completed Technology Project

Project Introduction

Ka-Band MMIC T/R Module, Phase II
This Phase II proposal is presented as the follow on to the Phase I SBIR contract number NNC06CB21C entitled "Ka-band MMIC T/R Module" For active microwave surveillance of earth surface and atmosphere, radar transceivers perform functions of probing the atmosphere and the surface conditions of the earth. Radars for such applications operate in various frequency ranges depending on one or more specific needs extending all the way from UHF to millimeter-wave (MMW) frequencies. Radars today rely on phased-array antenna for beam forming and beam steering, and, in most cases today, the arrays are built with a large number of transmit-receive (T/R) modules made of amplifiers, phase shifters and duplexing switches. Microwave monolithic integrated circuits (MMIC) technology enables integration of those T/R module functions into a single MMIC chip, which, in turn allows compact implementation of phased array antennas with thousands of radiating elements. A typical T/R module consists of several circuit components that need to be optimized to achieve optimum module level performance. These components typically include a low noise amplifier (LNA), power amplifier (PA), switch, phase shifter and attenuator. This Phase II program will lead to a development of a 35 GHz T/R MMIC delivering output powers in the transmit path of 30 dBm with an associated PAE of greater than 40% and at the same time exhibiting a noise figure of less than 2.5 dB in the receive path. While beyond the specific MMIC mentioned, this Phase II SBIR will make significant contributions in MHEMT device characterization and the commercialization of MHEMT technology. More »

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This is a historic project that was completed before the creation of TechPort on October 1, 2012. Available data has been included. This record may contain less data than currently active projects.