Microstrip Low-pass Filter with Sharp Roll off and Wide Stop-band Using Multiple Cascaded Modified Radial Stubs Resonators
Publish place: Journal of Communication Engineering، Vol: 5، Issue: 2
Publish Year: 1395
Type: Journal paper
Language: English
View: 516
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Document National Code:
JR_JCESH-5-2_003
Index date: 14 October 2019
Microstrip Low-pass Filter with Sharp Roll off and Wide Stop-band Using Multiple Cascaded Modified Radial Stubs Resonators abstract
This paper presents a novel microstrip low-pass filter with good performance. A complete detailed theoretical analysis for the proposed filter is given using equivalent circuit models. The proposed filter applying multiple cascaded modified radial stubs resonators provides a sharp cut off frequency response that has a 185 dB/GHz roll off rate. Also, U-shaped attenuators provide a wide stop-band about 14fc with more than -20 dB rejection. The filter has an insertion loss less than 0.027 dB from dc to 1.31 GHz. The proposed filter has a high figure of merit, equal to 32317. The experimental results are in fair agreement with the simulated results.
Microstrip Low-pass Filter with Sharp Roll off and Wide Stop-band Using Multiple Cascaded Modified Radial Stubs Resonators Keywords:
Microstrip Low-pass Filter with Sharp Roll off and Wide Stop-band Using Multiple Cascaded Modified Radial Stubs Resonators authors
Hamid Radmanesh
Aeronautical University of Science and Technology, Tehran, Iran
A. Zhaleh
Department of Electrical Engineering, Ashtian Branch, Islamic Azad University, Ashtian, Iran
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