Ultra-Improved Stop band Rejection of an Ceramic Filter Using Ridge Resonators | [Sindh University Research Journal • 2020]

Author(s):

1. U. AHMED: Department of Electrical Engineering, Sukkur IBA University,Sukkur,Pakistan

2. S. AFRIDI: Department of Electrical Engineering, Sukkur IBA University,Sukkur,Pakistan

3. SANAULLAH: Department of Electrical Engineering, Sukkur IBA University,Sukkur,Pakistan

4. M. R. ANJUM: Department of Electronic Engineering, Islamia university, Bahawalpur, Pakistan

5. A. A. JAMALI: Department of Electronic Engineering,Quaid-e-Awam University of Engineering, Science, and Technology, Nawabshah, Pakistan

Abstract:

This paper proposes improved design techniques for microwave filters to aid spurious performances of an monolithic ceramic waveguide resonator filter, with low insertion loss and good quality factor.The improved spurious performance of a filter is due to introduction of ridge in first and last resonator. The proposed filter design provide good miniaturization and with improved spurious performance up to 30%. Simulated result of the filteris in a good agreement with the theoretical concept which further confirms the validity and accuracy of designs without compromising the merits like Quality factor, return losses etc.

Page(s): 69-72

DOI: DOI not available

Published: Journal: Sindh University Research Journal, Volume: 52, Issue: 1, Year: 2020

Keywords:

Ridge , Ceramic Waveguide Resonator , Quality Factor , Return , Miniaturization , Spurious performance

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