Reconfiguration Analysis for Notched Bands Based on Ultra-wideband Antenna
LIU Zhengtang
CHENG Yanjie
MA Hui
Abstract：A novel planar ultra‐wideband antenna with dual band‐notched characteristics is proposed .Two U‐shaped slots are embedded into the radiating patch ,to obtain the notched bands at frequency of 3 .5GHz and 5 .5GHz ,and the cause of notched band is analyzed with the transmission line model theory .Three switches are embedded into the notched slot to reconfigure the notched band .The influence from the states of the switches changed has been analyzed according to equiva‐lent circuits evolving from the transition‐line theory .The measured results show that the UWB antennas have the ability to transition within the four working states which comprise no notched band ,3 .5GHz single notched band ,5 .5GHz single not‐ched band and both notched bands ,providing clear evidence for the achievement of the band‐notched characteristics reconfig‐uration .
Keywords：ultra-wideband antennadual notched bandsU-shaped slotequivalent electro circuitsreconfiguration for notched bands
Publication Date：2014-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 64-68 )