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Journal of Electromagnetic Waves and Applications Volume 22, 2008 - Issue 2-3
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Articles

A Compact Branch Line Coupler Using Defected Ground Structure

M. Ramesh Central Research Laboratory, Bharat Electronics Limited, Bangalore-560013, India
,
D. Packiaraj Central Research Laboratory, Bharat Electronics Limited, Bangalore-560013, India
&
A. T. Kalghatgi Central Research Laboratory, Bharat Electronics Limited, Bangalore-560013, India
Pages 267-276 | Published online: 03 Apr 2012

References

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  • Lee , Y. T. , Lim , J. S. , Park , J. S. , Ahn , D. and Nam , S. 2002 . A novel phase noise reduction technique using defected ground structure . IEEE Microw. Wireless Compon. Lett. , 12 ( No. 2 ) Feb : 39 – 41 .
  • Lim , J. S. , Kim , C. S. , Ahn , D. , Jeong , Y. C. and Nam , S. 2005 . Design of low-pass filters using defected ground structure . IEEE Trans. Microw. Theory Tech. , 53 ( No. 8 ) Aug : 2539 – 2545 .
  • Tu , W. H. and Chang , K. 2006 . Microstrip elliptic-function low-pass filters using distributed elements or slotted ground structure . IEEE Trans. Microw. Theory Tech. , 54 ( No. 10 ) Oct : 3786 – 3792 .
  • Sun , S. and Zhu , L. Z. 2005 . Stopband-enhanced and size-miniaturised low-pass filters using high-impedance property of offset finite-ground microstripline . IEEE Trans. Microw. Theory Tech. , 53 ( No. 9 ) Sep : 2844 – 2850 .
  • Chen , H. J. , Huang , T. H. , Chang , C. S. , Chen , L. S. , Wang , N. F. , Wang , Y. H. and Houng , M. P. 2006 . A novel cross-shape DGS applied to design ultra-wide stopband low-pass filters . IEEE Microw. Wireless Compon. Lett. , 16 ( 5 ) May : 252 – 254 .
  • Ting , S. W. , Tam , K. W. and Martins , R. P. 2006 . Miniaturised microstrip lowpass filter with wide stopband using double equilateral U-shaped defected ground structure . IEEE Microw. Wireless Compon. Lett. , 16 ( 5 ) May : 240 – 242 .
  • Sharma , R. , Chakravarty , T. and Bhoosan , S. 2006 . Design of a novel 3 dB microstrip backward wave coupler using defected ground structure . Progress In Electromagnetics Research , PIER 65 : 261 – 273 .
  • Dalili Oskpuei , H. , Forooraghi , K. and Hakkak , M. 2007 . Guided and leaky wave characteristics of periodic ground structures . Progress In Electromagnetics Research , PIER 73 : 15 – 27 .
  • Chen , J. , Weng , Z.-B. and Zhang , F.-S. 2007 . Lowpass filter design of Hilbert curve ring defected ground structure . Progress In Electromagnetics Research , PIER 70 : 269 – 280 .
  • IE3D , Zeland Software, Inc .

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