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Transformation of 4-port Self-feedback Dual-band Bandpass Filter into 2-port  

Lim, Ji-Eun (충남대학교 전파공학)
Nam, Min-Hee (충남대학교 전파공학)
Choi, Han-Ol (충남대학교 전파공학)
Lee, Jae-Huyn (충남대학교 전파공학과)
Publication Information
Journal of Satellite, Information and Communications / v.5, no.2, 2010 , pp. 25-28 More about this Journal
Abstract
The need for multiband RF front-end in modern communication system is growing rapidly. For example, satellite system always uses a complex arrangement of frequency plans and consequently needs filters for each communication channel and it will be ideal to have a single filter module that does jobs of all those channel filters to reduce the size and payload of the system. In this paper, a new method to transform four-port self-feedback balanced dual-band bandpass filter into two-port is proposed. The two-port balanced dual-band bandpass filter which has baluns at the input and output ports and the fundamental frequency at 2.5 GHz and the first harmonic frequency at 5.7 GHz is fabricated and measured. Good agreement between measured and simulated results was achieved.
Keywords
Dual band bandpass filter; SIR; Balanced filter; Balun; Filter synthesis;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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