Miniaturized broadband monopole antenna in 130nm CMOS with gain improvement

被引：3
|
作者：
Wu, Lei [1 ,2 ]
Huang, Jiawei [1 ,2 ]
Sun, Bing [1 ,2 ]
Chang, Hudong [1 ]
Huang, Sen [1 ,2 ]
Liu, Honggang [3 ]
机构：
[1] Chinese Acad Sci, Inst Microelect, Key Lab Microelect Devices & Integrated Technol, Beijing 100029, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Peking Univ, Dept Elect, Beijing 100871, Peoples R China
来源：
IEICE ELECTRONICS EXPRESS | 2022年 / 19卷 / 08期
关键词：
AMC; miniaturized monopole antenna; broadband antenna; AOC; FMCW RADAR; BAND; ARRAY; INTEGRATION; DESIGN;
D O I：
10.1587/elex.19.20220076
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：
This paper presents a miniaturized broadband monopole AOC (antenna on chip) for W-band. The AOC miniaturization is achieved by a hexagonal grid at the top layer M6 and a capacitive AMC (artificial magnetic conductor) at the bottom layer M1 based on a 130 nm CMOS process. First, the reflection phase of different modes is analyzed using electromagnetics simulation. Secondly, the axial size of the AOC with AMC is further reduced by 16.290 (compared to a straight monopole antenna with AMC) by using a hexagonal grid, and the impedance is optimized by analyzing the grid angle. The proposed miniaturized monopole antenna has the size of 367 umx194.2 um (0.1 lambda(0) x 0.052 lambda(0)) at 81 GHz. Measurements show that the antenna has an impedance bandwidth of 31.59( (75-103 GHz) and a peak gain of -0.35dBi at 85 GHz. The proposed antenna has the smallest reported size and can be applied to W-band FMCW radar system on chip.
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页数：5
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