94-GHz Band High-Gain and Low-Noise Amplifier Using InP-HEMTs for Passive Millimeter Wave Imager

This paper describes 94-GHz band low-noise and high-gain amplifier MMICs using InP HEMTs, which have been developed for passive millimeter-wave (PMMW) imaging. To achieve a high gain with low noise performance, we propose a new stabilizing technique for the amplifier. The measured noise figure was 3...

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Bibliographic Details
Main Authors: Sato, M., Hirose, T., Ohki, T., Sato, H., Sawaya, K., Mizuno, K.
Format: Conference Proceeding
Language:eng ; jpn
Subjects:
Amplifier
gain
Gain measurement
HEMT
HEMTs
Indium phosphide
Low-noise amplifiers
microstrip
millimeter wave imaging
Millimeter wave measurements
Millimeter wave technology
MMICs
MODFETs
noise
Noise measurement
Performance gain
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Summary:This paper describes 94-GHz band low-noise and high-gain amplifier MMICs using InP HEMTs, which have been developed for passive millimeter-wave (PMMW) imaging. To achieve a high gain with low noise performance, we propose a new stabilizing technique for the amplifier. The measured noise figure was 3.2 dB and the gain was 33 dB. In addition, we developed a PMMW imager using this amplifier. We also demonstrated an example of a millimeter-wave image acquired by the PMMW imager.
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.2007.380074