Three Pole Wideband Waveguide Bandpass Filter using Split Ring Resonator Integrated Circular Fractal Shape
-
Amit Bage
and
Sushrut Das
Abstract
This paper presents an alternative concept of metal insert to design compact, wideband, waveguide bandpass filter. Three planar circular fractals, integrated with Split Ring Resonators, have been placed on the transverse plane of a standard WR–90 waveguide at quarter wavelength distance to form the wideband, tri-pole bandpass filter. The proposed filter has been simulated using Ansoft HFSS (version 14) and using equiripple Chebyshev approximation its lumped element equivalent circuit has been obtained. The filter was also fabricated and its frequency response has been measured. The measured result shows a 3-dB fractional bandwidth of 14.08 % at resonant frequency 10.15 GHz. The total length of the filter is 20.33 mm. Detailed design procedure has been presented along with necessary diagram. A table has been provided to compare the performance of the proposed filter with those already available in literatures. The table shows that the proposed filter is compact, has higher bandwidth and better frequency response compared to the rests.
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Articles in the same Issue
- Frontmatter
- A Microwave Tunable Bandpass Filter for Liquid Crystal Applications
- Design of a Balun Bandpass Filter with Asymmetrical Coupled Microstrip Lines
- A Compact Coplanar Waveguide (CPW)-Fed Zeroth-Order Resonant Filter for Bandpass Applications
- A Compact Quad-Band Bandpass Filter Based on Defected Microstrip Structure
- Three Pole Wideband Waveguide Bandpass Filter using Split Ring Resonator Integrated Circular Fractal Shape
- Compact Dual-band Bandpass Filter Based on HMSIW and DS-CSRR
- High Selectivity Wideband Bandpass Filter Using Stub Loaded Resonator
- Narrow-Band Bandpass Filter for Wireless Communication System
- Design and Analysis of a Triple Stop-band Filter Using Ratioed Periodical Defected Microstrip Structure
- Design of Microstrip Lowpass Filter with Sharp Roll-off using Elliptical and Radial Resonators
- A Compact Via-free Composite Right/Left Handed Low-pass Filter with Improved Selectivity
Articles in the same Issue
- Frontmatter
- A Microwave Tunable Bandpass Filter for Liquid Crystal Applications
- Design of a Balun Bandpass Filter with Asymmetrical Coupled Microstrip Lines
- A Compact Coplanar Waveguide (CPW)-Fed Zeroth-Order Resonant Filter for Bandpass Applications
- A Compact Quad-Band Bandpass Filter Based on Defected Microstrip Structure
- Three Pole Wideband Waveguide Bandpass Filter using Split Ring Resonator Integrated Circular Fractal Shape
- Compact Dual-band Bandpass Filter Based on HMSIW and DS-CSRR
- High Selectivity Wideband Bandpass Filter Using Stub Loaded Resonator
- Narrow-Band Bandpass Filter for Wireless Communication System
- Design and Analysis of a Triple Stop-band Filter Using Ratioed Periodical Defected Microstrip Structure
- Design of Microstrip Lowpass Filter with Sharp Roll-off using Elliptical and Radial Resonators
- A Compact Via-free Composite Right/Left Handed Low-pass Filter with Improved Selectivity
