On-chip Wi-Fi filter with FBW of 16.3 % and IL of 1.8 dB using novel T-type transmission zeros structure

被引：0

作者：

Xu, Bukun ^{[1
]}

Cao, Yuhan ^{[1
]}

Yuan, Bo ^{[1
]}

Wang, Gaofeng ^{[1
]}

机构：

[1] Hangzhou Dianzi Univ, MOE Engn Res Ctr Smart Microsensors & Microsyst, Sch Elect & Informat, Hangzhou, Peoples R China

来源：

MICROELECTRONICS JOURNAL | 2024年 / 154卷

基金：

中国国家自然科学基金;

关键词：

Integrated passive device (IPD); On-chip filter; Transmission zeros (TZs); Wi-Fi; BAND BANDPASS FILTER;

D O I：

10.1016/j.mejo.2024.106448

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 novel T-type topology is proposed for the first time to generate a pair of transmission zeros (TZs), enabling a wide range of resistive band rejection within a specific range. The working mechanism is elucidated through its even- and odd-mode equivalent circuits, and the design process is outlined. Moreover, an enhanced third-order high-pass filter is integrated with the T-type circuit to form a bandpass filter (BPF). This proposed BPF is fabricated using on-chip integrated passive device (IPD) technology. The measured and simulated results confirm its performance. Notably, the proposed IPD BPF has fractional bandwidth (FBW) of only 16.3 % and an insertion loss (IL) of 1.8 dB within the passband, thereby making it promising for narrowband applications. In addition, its compact size makes it suitable for Wi-Fi applications.

引用

页数：6