Referenced Items are not available for this document.
A class of ultra-wideband (UWB) bandpass filters (BPFs) with designable transmission poles is presented. Transmission poles are controlled in number by introducing m-section non-uniform transmission line in the center of a transmission-line multiple mode resonator. With the help of increased transmission poles, the constituted filter achieves deeper rejection skirts and wider bandwidths. In the design, a synthesis approach is developed to synthesize this filter with the target of Chebyshev equal-ripple frequency responses. As an example, a six-pole UWB BPF is implemented on hybrid microstrip line and slotline structures. The measured results validate and confirm the theoretical prediction.
Published in:
Microwave and Wireless Components Letters, IEEE
(Volume:19
,
Issue:
5
)
Date of Publication: May 2009
- Page(s):
- 284 - 286
- ISSN :
- 1531-1309
- INSPEC Accession Number:
- 10630542
- Digital Object Identifier :
- 10.1109/LMWC.2009.2017590
- Date of Publication :
- 24 April 2009
- Date of Current Version :
- 08 May 2009
- Issue Date :
- May 2009
- Sponsored by :
- IEEE Microwave Theory and Techniques Society
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