Differential bandpass filters and differential diplexer for WLAN using LTCC
Date Issued
2005
Date
2005
Author(s)
Tsai, Kun-Hung
DOI
en-US
Abstract
In the paper, we present a new balanced filter and a balanced diplexer for dual-band wireless local-area network (WLAN). By using the balanced-type circuit, balun can be eliminated. The balanced circuit can also improve the poor ground and suppress the common-mode interference. In addition, this filter which uses two finite transmission zeros can improve the filter rolloff rate near passband and the diplexer which uses LC resonator can obtain better isolation.
The LTCC (low temperature co-fired ceramic) is chosen for our component implementation for its low loss and multi-layer structure, which will give better insertion loss and give more freedom in balanced-type device design.
Subjects
低溫共燒陶瓷製程
差動帶通濾波器
差動雙工器
ltcc
differential filter
differential diplexer
Type
thesis
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