DESIGN OF RADIAL MICROSTRIP BAND PASS FILTER WITH WIDE STOP-BAND CHARACTERISTICS FOR GPS APPLICATION | Zendy

Prashant Kumar Singh | Zendy; Anjini Kumar Tiwary | Zendy; Nisha Gupta | Zendy

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DESIGN OF RADIAL MICROSTRIP BAND PASS FILTER WITH WIDE STOP-BAND CHARACTERISTICS FOR GPS APPLICATION

Author(s) -

Prashant Kumar Singh,

Anjini Kumar Tiwary,

Nisha Gupta

Publication year - 2015

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc15092001

Subject(s) - global positioning system , microstrip , acoustics , filter (signal processing) , electronic engineering , physics , computer science , electrical engineering , engineering , telecommunications

In this paper, a novel compact band pass filter (BPF) is proposed for Global Positioning System (GPS) receivers. The proposed BPF configuration is composed of a low pass filter (LPF) section formed by the coupled line transformer connected with a radial stub and two short circuited stubs embedded within the 50 Ω microstrip line connecting the input/output (I/O) port of LPF. The lumped equivalent model of proposed BPF is also presented and analyzed. Simulation as well as experimental results shows very good in-band (pass-band) and out-of-band (≈ 7fc (centre frequency)) characteristics. The 3 dB fractional bandwidth (FBW) is 3.2% of fc, thus satisfying the GPS receiver requirement and the minimum insertion loss (IL) in pass-band is 1.28 dB.

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