Design of Compact Bandpass Filter with Controllable Multiple Transmission Zeros using The Second‐Order Inductive‐Coupled Resonator | Zendy

Huang HuiHsiang | Zendy; Horng TzyySheng | Zendy

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Design of Compact Bandpass Filter with Controllable Multiple Transmission Zeros using The Second‐Order Inductive‐Coupled Resonator

Author(s) -

Huang HuiHsiang,

Horng TzyySheng

Publication year - 2013

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.27807

Subject(s) - stopband , band pass filter , resonator , electronic engineering , inductor , microwave , harmonic , engineering , capacitor , distributed element filter , filter (signal processing) , topology (electrical circuits) , electrical engineering , physics , prototype filter , filter design , acoustics , telecommunications , voltage

This article proposes new synthetic design approach for a compact LTCC bandpass filter (BPF) with three transmission zeros over a wide stopband operating in the 2.4–2.5 GHz WLAN band. The BPFs have two feedback paths, one for a grounding inductor and one for a coupling capacitor, to provide controllable multiple transmission zeros at 1.07 and 5.05 GHz stopband, which suppresses the 0.82–0.96 GHz GSM850/GSM900 band and 4.8–5.0 GHz second harmonic band of the operating frequency. The presented design derives compact formulas for synthesizing a filter to meet the specification requirement. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2155–2157, 2013

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