Mukesh Kumar, Sk. N. Islam, G. Sen, S. K. Parui, S. Das
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Design of Wideband Wilkinson Power Divider with Improved Performances
A wideband Wilkinson Power Divider (WPD) with improved passband responses is presented. This power divider composed of a pair of High-Low line (HLL) loaded at the outputs of the conventional WPD. The impedance ratio (K) of the HLL is tuned to obtain a wideband response. In addition to this two transmission zeros are obtained to improve the selectivity of power divider. Therefore proposed technique provides a fractional bandwidth (FBW) of 65% for the equal output at the output ports with respect to 2.45GHz (ISM band) frequency. The return loss and isolation responses are higher than 15dB from 1.6 to 3.2GHz frequency. This power divider is designed, fabricated and tested.
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