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Compact Microstrip Low-pass Filter with Wide Stop-band and Sharp Roll-off

  • Mohsen Hayati EMAIL logo and Hamid Sherafat Vaziri
Published/Copyright: August 31, 2013
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Abstract

This paper presents a novel compact microstrip low-pass filter with wide stop-band and sharp roll-off. The structure consists of a transmission line, loaded with coupled novel Hairpin units. The cut-off frequency of the proposed filter is 2.9 GHz. The measured results show good LPF performance such as sharp roll-off skirt, low insertion-loss, high return-loss in the pass-band and wide upper stop-band of 3.2 to 16.1 GHz with an insertion-loss higher than 20.0 dB. The measured values and the EM-simulation results are in good agreement.

Received: 2012-12-02
Accepted: 2013-06-13
Published Online: 2013-08-31
Published in Print: 2013-09-13

©[2013] by Walter de Gruyter Berlin Boston

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