1. A second-order dual-band bandpass filter using a dual-band admittance inverter.
- Author
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Hualiang Zhang and Chen, Kevin J.
- Subjects
- *
BANDPASS filters , *ELECTRIC filters , *ELECTRIC inverters , *ELECTRIC current converters , *RESONATORS - Abstract
In this article, a second-order dual-band bandpass filter is designed. The filter consists of two dual-band resonators connected by a dual-band admittance inverter. The dual-band resonator unit is made of two shunt stubs that coordinately produce two resonances. A novel dual-band quarter-wavelength line acts as the admittance inverter, providing suitable admittance transformations. To verify the design concept, a filter working at 2 and 5 GHz is devised and fabricated on Rogers' RO3006 printed circuit boards. In addition, the dual-band filter is connected with a bandstop filter to suppress the unwanted spurious response. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1184โ1187, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23326 [ABSTRACT FROM AUTHOR]
- Published
- 2008
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