20091104Lect29EE429_529

20091104Lect29EE429_529 - ECE 529 EMI IN MICROELECTRONICS...

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Unformatted text preview: ECE 529 EMI IN MICROELECTRONICS University at Buffalo Dr. James J. Whalen L Z '1 2.·06b VI eJ· I No 'Y ZOif( \,ife ~ 3llk+ (a;7 L28 200t~ enOl) v 27Dch 2l.lOB Lecture 9 30Sep96 5.2 THE HALF-WAVE DIPOLE AND QUARTER-WAVE MONOPOLE (a) f(z)-1- h I I Image--tf(~__ j_ Perleclly conducting ground plane 7~3 (b) FIGURE 5.3 Illustration of (a) the dipole antenna and (b) the monopole antenna . ..uo ....- I"'~ ~(a) (~rlM+ ~ _{1m sin[fJo(tl- :)] 1(z)- ~. 1 t; sm[PoCII + :)J forO<z<tl for-il < z < 0 p I I +- - - - - - - - - - - - y / / / / / / Ji x i(Z) z (a) (b) FIGURE ?~l( Computation of the radiated fields of the dipole antenna: position of the Hertzian dipole fields: (b) the far-field approximation. (5.13 ) (a) supei T - Lin,e It;;( .I(;!) "= k:~5/{)p() (i-2') ()~2~~ H 2 I.Cz?) := ~XSi(}po (i+z?)--4~2'tE 0 fa) z cos I I q - [.;/ where the 8-variation term in this result is denoted by FUJ) = cos[/3o(tl) cas 8] - cos /3o(tl) sin COS[(7rl/-\0) cas 0] - cos(nl/Ilo)- sin / \ /" \ / HC¥ Ee 10 <t]~ = 3 7 7 J2...
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This note was uploaded on 02/22/2011 for the course EE 529 taught by Professor Dr.j.j.whalen during the Fall '10 term at SUNY Buffalo.

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20091104Lect29EE429_529 - ECE 529 EMI IN MICROELECTRONICS...

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