A Compact Dual-Band N-Way Wilkinson Power Divider for GSM
In this paper, a compact dual band equal split N-way Wilkinson power divider (WPD) is presented for GSM. A coupled line is also proposed as dual-band quarter wavelength transmission line transformer (DBQWTLT). To understand the dual-band operation of DBQWTLT, the complete derivation for the design equations is also done herein. By replacing each quarter (ʎ/4) wavelength transmission line (TL) of the single-band equal split N-way WPD with the proposed DBQWTLT, the proposed circuit is obtained. To validate the proposed approach, dual-band equal split two-way- and five-way WPD for 900 and 1800 MHz (GSM frequencies) operating frequencies are presented here. The simulated results of the dual-band equal split two-way and equal split five-way Wilkinson power dividers validate the theoretical approach.
KeywordsWilkinson power divider Quarter wavelength transmission line transformer Advanced design system (ADS)
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