Novel design of a compact triple-band bandpass filter using short stub-loaded sirs and embedded sirs structure


Journal Article

A novel compact planar triple-band bandpass filter using two sets of short stub-loaded stepped impedance resonators (SSLSIRs) and a pair of embedded stepped impedance resonators (ESIRs) has been proposed. The SSLSIRs can adjust the bandwidths of the corresponding passbands over a wide range, and the ESIRs employing non 0±-feed coupled structure with mixed electric and magnetic coupling can obtain an extra transmission zero. The embedded resonators structure can further miniaturize the dimensions of the whole triple-band filter. The operating frequencies of the SSLSIRs and ESIRs are designed for the applications of the WLAN (2.45/5.2 GHz) and WiMAX (3.5 GHz) systems, respectively. The simulated and measured results are both presented and show good agreement.

Full Text

Duke Authors

Cited Authors

  • Xu, K; Zhang, Y; Li, D; Fan, Y; Li, JLW; Joines, WT; Liu, QH

Published Date

  • January 1, 2013

Published In

Volume / Issue

  • 142 /

Start / End Page

  • 309 - 320

Electronic International Standard Serial Number (EISSN)

  • 1559-8985

International Standard Serial Number (ISSN)

  • 1070-4698

Digital Object Identifier (DOI)

  • 10.2528/PIER13080507

Citation Source

  • Scopus