R. Kumar
G. A. Edae
ABSTRACT
In this paper, hexagonal loop resonator filter with, without perturbation and tri-band hexagonal multiplexer of high selectively and compact size are presented. The tri-band multiplexer topology is based on the hexagonal loop resonators of different size which capacitive coupled from a single input. The filter and multiplexer have been designed on substrate dielectric constant εr = 10.2 and thickness = 0.635 mm. The hexagonal multiplexer offers the tri-band of bandwidth 60MHz with centre frequencies f1=4.45GHz and f2=5.3GHz, and 85MHz at f3=5.85GHz. The new filter offers the rejection around better than 35 dB. In tri-band multiplexer, the rejection has been observed better in first band in comparison the third band. The multiplexer structure has been simulated using IE3D software. This tri-band hexagonal multiplexer is compact and useful for communication system.
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Index Terms
- Design of hexagonal multiplexer for communication system
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