Design of RF Diplexer for Mobile Communication

Provided by: International Journal of Computer Applications
Topic: Mobility
Format: PDF
In this paper, a matching circuit for RF diplexer for mobile communication is proposed. Most wanted bands in wireless technologies like GSM and DCS is used. Both bands are designed by using stepped impedance resonators with single order and matching between this two are implemented by Y- junction method. Cutoff frequency for GSM and DCS band are 925 MHz and 1795MHz. Microstrip technology is proposed because it provides a better insertion loss, better return loss and good isolation between the pass bands.

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