A 239-281 GHz CMOS Receiver With On-Chip Circular-Polarized Substrate Integrated Waveguide Antenna for Sub-Terahertz Imaging

被引：55

作者：

Shang, Yang ^{[1
]}

Yu, Hao ^{[1
]}

Fu, Haipeng ^{[1
]}

Lim, Wei Meng ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

来源：

IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY | 2014年 / 4卷 / 06期

关键词：

CMOS; 65; nm; high detection resolution; substrate integrated waveguide; sub-THz imager; SPECTROSCOPY; DESIGN;

D O I：

10.1109/TTHZ.2014.2352040

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A 239-281 GHz sub-THz imager with circular-polarized substrate-integrated-waveguide (SIW) antenna is demonstrated in CMOS 65 nm process with high spectrum resolution and high sensitivity for sub-THz spectroscopy imaging system with consideration of depolarization effects. The sub-THz imager is a receiver that consists of a circular polarized substrate integrated waveguide (SIW) antenna, down-conversion mixer and power gain amplifier (PGA). The proposed receiver is measured with -2 dBi conversion gain over 42 GHz bandwidth, -54.4 dBm sensitivity at 100 MHz detection resolution bandwidth, 6.6 mW power consumption and 0.99 mm(2) chip area. Moreover, frequency dependent sub-THz images are demonstrated by the proposed receiver.

引用

页码：686 / 695

页数：10

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