Design of microstrip lossy filter using an extended doublet topology

Jia Ni; Wenxing Tang; Jiasheng Hong; Riana H. Geschke

doi:10.1109/LMWC.2014.2309089

Design of microstrip lossy filter using an extended doublet topology

Jia Ni^*, Wenxing Tang, Jiasheng Hong, Riana H. Geschke

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

A lossy three-pole microstrip bandpass filter using an extended doublet network is proposed in this letter. Nonuniform Q distribution is considered by reducing the of one resonator, resulting in a flatter passband with an enhanced selectivity. Also, the novel feeding network adopted brings about two extra transmission zeros and a wide stopband that further improve the filter performance. Good agreement between the simulated and measured results can be observed to validate the design.

Original language	English
Pages (from-to)	318-320
Number of pages	3
Journal	IEEE Microwave and Wireless Components Letters
Volume	24
Issue number	5
DOIs	https://doi.org/10.1109/LMWC.2014.2309089
Publication status	Published - May 2014

Keywords

Extended doublet
lossy circuit technique nonuniform Q distribution
microstrip filter
transmission zeros
MICROWAVE FILTERS
NONUNIFORM-Q
RESONATORS

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10.1109/LMWC.2014.2309089

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title = "Design of microstrip lossy filter using an extended doublet topology",

abstract = "A lossy three-pole microstrip bandpass filter using an extended doublet network is proposed in this letter. Nonuniform Q distribution is considered by reducing the of one resonator, resulting in a flatter passband with an enhanced selectivity. Also, the novel feeding network adopted brings about two extra transmission zeros and a wide stopband that further improve the filter performance. Good agreement between the simulated and measured results can be observed to validate the design.",

keywords = "Extended doublet, lossy circuit technique nonuniform Q distribution, microstrip filter, transmission zeros, MICROWAVE FILTERS, NONUNIFORM-Q, RESONATORS",

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year = "2014",

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AU - Ni, Jia

AU - Tang, Wenxing

AU - Hong, Jiasheng

AU - Geschke, Riana H.

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Y1 - 2014/5

N2 - A lossy three-pole microstrip bandpass filter using an extended doublet network is proposed in this letter. Nonuniform Q distribution is considered by reducing the of one resonator, resulting in a flatter passband with an enhanced selectivity. Also, the novel feeding network adopted brings about two extra transmission zeros and a wide stopband that further improve the filter performance. Good agreement between the simulated and measured results can be observed to validate the design.

AB - A lossy three-pole microstrip bandpass filter using an extended doublet network is proposed in this letter. Nonuniform Q distribution is considered by reducing the of one resonator, resulting in a flatter passband with an enhanced selectivity. Also, the novel feeding network adopted brings about two extra transmission zeros and a wide stopband that further improve the filter performance. Good agreement between the simulated and measured results can be observed to validate the design.

KW - Extended doublet

KW - lossy circuit technique nonuniform Q distribution

KW - microstrip filter

KW - transmission zeros

KW - MICROWAVE FILTERS

KW - NONUNIFORM-Q

KW - RESONATORS

U2 - 10.1109/LMWC.2014.2309089

DO - 10.1109/LMWC.2014.2309089

M3 - Article

SN - 1531-1309

VL - 24

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EP - 320

JO - IEEE Microwave and Wireless Components Letters

JF - IEEE Microwave and Wireless Components Letters

IS - 5

ER -

Design of microstrip lossy filter using an extended doublet topology

Abstract

Keywords

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