Wideband low-profile low-temperature co-fired ceramic patch antenna with a differential-fed structure

The Journal of Engineering

Jian-Xin Chen¹  Wen-Jian Sun¹  Wen-Wen Yang² 

[1] School of Electronics and Information, Nantong University, 9 Seyuan road, Nantong 226019, Jiangsu Province, People's Republic of China

关键词: single-end radio-frequency circuits;    H-shaped patch;    differential feeding scheme;    cross-polarisation;    differential-fed structure;    March;    balun;    wideb;    low-profile low-temperature cofired ceramic patch antenna;   

DOI  :  10.1049/joe.2017.0147

学科分类：工程和技术（综合）

来源: IET

【 摘 要 】

A novel wideband patch antenna with a differential-fed structure is proposed in this study. For this antenna, an H-shaped patch is first adopted to build a compact design. Then, by introducing a via-wall-plate pair as the differential feeding scheme, favourable radiation patterns and enhanced operating bandwidth can be achieved in a low profile. Furthermore, a Marchand balun is incorporated into the overall design to facilitate the test and direct integration with existing single-end radio-frequency circuits. The proposed antenna, which is designed and fabricated, using low-temperature co-fired ceramic technology, could be used to develop a highly integrated system-in-package. The measured results demonstrate that the proposed antenna with a low profile of 0.06λ 0 obtains an impedance bandwidth of 11.2%, a peak gain of 7.1 dBi, and a low cross-polarisation of better than −20 dB.

【 授权许可】

CC BY