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Volume 30 Issue 1
Jan.  2011
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Chai Wen-wen, Zhang Xiao-juan . Characteristics and Applications of Several Coplanar Waveguide Feeding Devices[J]. Journal of Electronics & Information Technology, 2008, 30(1): 241-244. doi: 10.3724/SP.J.1146.2006.01086
Citation: Chai Wen-wen, Zhang Xiao-juan . Characteristics and Applications of Several Coplanar Waveguide Feeding Devices[J]. Journal of Electronics & Information Technology, 2008, 30(1): 241-244. doi: 10.3724/SP.J.1146.2006.01086

Characteristics and Applications of Several Coplanar Waveguide Feeding Devices

doi: 10.3724/SP.J.1146.2006.01086
  • Received Date: 2006-07-20
  • Rev Recd Date: 2007-02-02
  • Publish Date: 2008-01-19
  • The effects of four coupling slots on antenna resonance frequency and bandwidth are studied respectively. And these effects are explained with the near field distributions. Feeding characteristics of several coupling slots are analyzed and compared, which greatly improve the flexibility of antenna design. By modifying the feeding device with the conversion idea, a broadband microstrip antenna is designed with a bandwidth of 28.9% .The gain is more than 8dBi in the operating frequency band of 3.76~4.80GHz. The gain bandwidth is 24.2%.
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  • Croq F. Wideband aperture coupled microstrip subarray.IEEE Antennas and Propagation Symp.Dig., 1990, 3:1128-1131.[2]Sullivan P L. Analysis of an aperture coupled microstripantenna[J].IEEE Trans. on Antennas Propagat.1986, 34(8):977-984[3]Deshmukh A A. Compact broadband stacked microstripantennas. Microwave and Optical Technology Letters, 2005,48(1): 93-96.[4]Deng S M. Impedance characteristics of microstrip antennasexcited by coplanar waveguides with inductive or capacitivecoupling slots[J].IEEE Micro. and Guide Wave Lett.1995,5(11):391-393[5]Lee R Q. Coplanar waveguide aperture-coupled microstrippatch antennas[J].IEEE Micro. and Guide Wave Lett.1992,2(4):138-139[6]Deng S M. Analysis of coplanar waveguide-fed microstripantennas[J].IEEE Trans. on Antennas Propagat.1995, 43(7):734-737[7]Giauffret L. Theoretical and experimental characterization ofCPW-fed microstrip antennas[J].IEE Proceedings, Microwaves,Antennas and Propagation, Part H.1996, 143(1):13-17[8]Giauffret L. Study of various shapes of the coupling aperturein CPW-fed microstrip antennas. IEEE Trans. on AntennasPropagat., 1997, 45(4): 642-647.[9]Nishiyama E. Stacked microstrip antenna with widebandwidth and high gain. IEEE Trans. on AntennasPropagat., 2004, 151(2): 143-148.
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