Stopband-extended balanced bandpass filter using coupled stepped-impedance resonators
Resource
IEEE Microwave and Wireless Components Letters 17 (7): 507-509
Journal
IEEE Microwave and Wireless Components Letters
Pages
507-509
Date Issued
2007
Date
2007
Author(s)
Wu, Chung-Hwa
Wang, Chi-Hsueh
Chen, Chun Hsiung
Abstract
A novel fourth-order balanced bandpass filter is proposed based on the half-wavelength (λ/2) stepped-impedance resonators (SIRs). By properly adjusting the parameters of each SIR, the proposed filter may be made compact and its stopband may also be extended simultaneously. Specifically, a balanced filter with acceptable common-mode rejection is implemented with its differential-mode and common-mode stopbands extended up to 5.5 f o d, where f o d the center frequency of differential-mode passband. © 2007 IEEE.
Type
journal article
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