Large scale W-band focal plane array developments for passive millimeter wave imaging

被引:4
作者
Kuroda, RT [1 ]
Dow, GS [1 ]
Moriarty, DT [1 ]
Johnson, RE [1 ]
Quil, AY [1 ]
Tran, SD [1 ]
Pajo, V [1 ]
Fornaca, S [1 ]
Yujiri, L [1 ]
机构
[1] TRW Co Inc, Space & Elect Grp, Redondo Beach, CA 90278 USA
来源
PASSIVE MILLIMETER-WAVE IMAGING TECHNOLOGY II | 1998年 / 3378卷
关键词
MMIC; focal plane array; W-band array; HEMT; radiometry;
D O I
10.1117/12.319405
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
A state-of-the-art W-Band passive millimeter wave focal plane array (FPA) consisting of 1040 highly integrated direct detection pixel has been designed, developed, assembled and tested. The FPA has been integrated into a passive millimeter wave video camera and has generated real time images. Each pixels is a highly integrated MMIC chip receivers. The MMIC chips is a wide band, high gain, low noise, 0.1 mu m InGaAs HEMT amplifier with an integrated switch and Schottky barrier diode detector. The FPA uses a brick architecture. Each brick or module consists of 4 MMIC chips or pixels and lays side-by-side on the card. Many cards are stacked to create the array of pixels. In the next generation FPA, the 1x4 modules and cards have been dramatically simplified with 50% less assembly time. In addition, the module and card still require no tuning and minimal test time. Thus a significant cost reduction in the FPA is expected over the first generation FPA without sacrificing performance. To further reduce cost and improve performance, new MMIC chips are being designed.
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页码:57 / 62
页数:6
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