A D-band SPST switch using parallel-stripline swap with defected ground structure

IEICE Electronics Express

Guangyin Feng¹  Alit Apriyana¹  Jiang Luo²  Qijun Huang²  Jin He² 

[1] School of Electrical and Electronic Engineering, Nanyang Technological University;School of Physics and Technology, Wuhan University

关键词: CMOS;    parallel-stripline swap hybrid coupler;    defected ground structure (DGS);    single-pole-single-throw (SPST) switch;    D-band;   

DOI  :  10.1587/elex.14.20171104

学科分类：电子、光学、磁材料

来源: Denshi Jouhou Tsuushin Gakkai

【 摘 要 】

In this paper, we propose a D-band switch design using a parallel-stripline swap hybrid coupler with defected ground structure (DGS). Compared to the conventional transmission line (TL) with high insertion loss at high frequency, the equivalent capacitance introduced by the coupler gap leads to series resonance condition which results in lower insertion loss at the higher frequency. The hybrid coupler enables two additional degrees of design freedom since the capacitance and inductance can be tuned by the structural dimension of the coupler. The fabricated switch with core area of 0.0036 mm2 shows measured insertion loss of 1.6–3 dB from 110–134 GHz, return loss of higher than 10 dB and isolation level around 16 dB.

【 授权许可】

CC BY