Referenced Items are not available for this document.
A simple stub-loaded ring resonator is presented as a novel wideband bandpass power divider with good in-band responses and out-of-band harmonic suppression. The first two resonances of the ring resonator are excited and employed to construct a wideband passband. By adjusting the length of loaded open stubs, four transmission zeros can be generated in the lower and upper stopbands. After installing three coupled-line sections at one input port and two output ports along the ring, additional two in-band poles and one upper-stopband transmission zero are further introduced. Subsequently, total five transmission zeros are utilized to improve the passband selectivity and suppress the high-order harmonic. In addition, a single resistor is properly placed between two output ports to ensure the isolation. Finally, a prototype power divider is fabricated and verified experimentally with attractive bandpass features.
Published in:
Microwave and Wireless Components Letters, IEEE
(Volume:23
,
Issue:
3
)
Date of Publication: March 2013
- Page(s):
- 119 - 121
- ISSN :
- 1531-1309
- INSPEC Accession Number:
- 13355486
- Digital Object Identifier :
- 10.1109/LMWC.2013.2244873
- Product Type:
- Journals & Magazines
- Date of Publication :
- 13 February 2013
- Date of Current Version :
- 07 March 2013
- Issue Date :
- March 2013
- Sponsored by :
- IEEE Microwave Theory and Techniques Society
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