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2013•Progress In Electromagnetics Research LettersRequires access

MINIATURIZED UWB BANDPASS FILTER WITH DUAL NOTCH BANDS AND WIDE UPPER STOPBAND

Pankaj Sarkar, Manimala Pal, Rowdra Ghatak, Dipak Ranjan Poddar

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Abstract

In this paper, a miniature ultrawideband (UWB) bandpass fllter with dual notch bands and wide upper stopband is presented. The ultrawide passband characteristic is achieved using a microstrip to slot line transition, and a wide upper stop band is realized using an elliptical lowpass fllter. The dual band notches at 5.46GHz and 8.04GHz are obtained by incorporating defected microstrip structure in the input and output sections. A prototype of the proposed UWB bandpass fllter is fabricated and measured. The equivalent circuit of the proposed fllter is also presented. A good agreement between the measured, EM simulated and circuit simulated responses is obtained.

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What this paper is about

In this paper, a miniature ultrawideband (UWB) bandpass fllter with dual notch bands and wide upper stopband is presented. The ultrawide passband characteristic is achieved using a microstrip to slot line transition, and a wide upper stop band is realized using an elliptical lowpass fllter. The dual band notches at 5.46GHz and 8.04GHz are obtained by incorporating defected microstrip structure in the input and output sections. A prototype of the proposed UWB bandpass fllter is fabricated and measured. The equivalent circuit of the proposed fllter is also presented. A good agreement between the measured, EM simulated and circuit simulated responses is obtained.

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OpenAlex reports 7 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

In this paper, a miniature ultrawideband (UWB) bandpass fllter with dual notch bands and wide upper stopband is presented. The ultrawide passband characteristic is achieved using a microstrip to slot line transition, and a wide upper stop band is realized using an elliptical lowpass fllter. The dual band notches at 5.46GHz and 8.04GHz are obtained by incorporating defected microstrip structure in the input and output sections. A prototype of the proposed UWB bandpass fllter is fabricated and measured. The equivalent circuit of the proposed fllter is also presented. A good agreement between the measured, EM simulated and circuit simulated responses is obtained.

Key concepts: Stopband, Band-stop filter, Band-pass filter, Dual (grammatical number), Electronic filter topology, Filter (signal processing), Materials science, Computer science

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