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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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This paper focuses on InP-based, HEMT Monolithic Millimeter-wave Integrated Circuit (MMIC) power amplifiers for applications to heterodyne receivers, transmitters, and commmunications circuits.
We report on our effort to develop the world's fastest transistor with the ultimate goal of utilizing them in electronic devices for advancing the present state of RF electronic systems.
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This paper presents some recently developed MMICs based on a 0.1 meu gate-length InAlAs/InGaAs/InP HEMT process with an fmax above 600 GHz.
In this study we have measured mixers with a wide range of twin-slot antennas with slot lengths ranging from 26 meu up to 152 meu.
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Recently we have presented a concept for a hot-electron direct detector (HEDD) capable of counting single millimeter-wave photons.
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In order to facilitate further studies of water in the interstellar medium , the envelopes of late type stars, jets, and shocked regions, the frequencies of 17 newly measured H(sub 2) (sup 16)O translations between 0.841 and 1.575 THz are reported.
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Mass and power for the next generation of NASA's heterodyne spectrometers must be greatly resuced to satisfy the constraints of future small-spacecraft missions.
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