20091116Lect34EE529

20091116Lect34EE529 - ECE 529 EMI IN MICROELECTRONICS...

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Unformatted text preview: ECE 529 EMI IN MICROELECTRONICS University at Buffalo Dr. James J. Whalen Lecture 11 70ct96 \-AI f V\ BO l ~ J ~ / a' H I (J 7/()., 2 nd-ed. LeJI 3 I [Y)o~ It /3/0& \ I Effects of Reflections The Method of Images Reflection of Uniform Plane Waves (At Normal Incidence) Multipath Effects (Effect of Ground Plane) (FCC Class A Measurements) Broadband Measurement Antennas (The Biconical: 30-200 MHz) (The Log-Periodic: 200-1000 MHz) ll- J l"le-t hod +-L(Y1C(?ge.s PO i/)+ ChGtS'e.s I \ I I , \\ It h t v > / / ~ , ( : : ) 7 - - ~ - " - > - ,( - - . / '" / , . /- _ - 0 - - (a) ( ( - 2 f'rle-fhod CJ{ =t mce 3e5 C u tl'e r1 t ~ Carr- Yi1jW i 1 e5 1 / 1 1.+ ; L ~J~ .- ~ Components 77777777 "":::~ -, . G> 'I' . ~ . ~ I 1"-1 (d) . l t-3 . Rev i eco : R e-f led-fa f} U Y I i to fM Plcenf ~lceves x ll-L/ ~1 = Th-e Re~ l-ec-fc?d Wee ve .,~ u- s- - . . ' 0 _ H ~ t; ,~ z t: t;-p'-e-+ =-e -/2 a = _ e -!l:2 Z e- J 2 Z e-) ~ 2 a t ... Y . y 112 172- + - + - +------ E, + E; = E, at z =- + - + - + fJ-+H =H t atz=O 1 r Pe{'4ec~ CondlfC+Vr T ==- ~ ~2,=-O r=--,i , E i P artv lle I To ~e* lee, i,-'Ilj Plca~1i s k t- f-I- 11-1 3 (l-7 Transmitting antenna L ~ e eRr "'l,cbr- Receiving Td antenna- - - - - - - D 5ft ANI d / / / Perfect-- h // I\d r ~d lS~ClTl ;;*~ fefleek! WClif' _IT / +Ci/1Y1 i I'tl.'lJe [o reef>/vt'1'-'/ / Image of I I Ire . I-.--transmitting = HOri ZC/jiet ::>ef tP/Ctflt?1 antenna :3 In - rcc c (i.{S s (3 lOM F C( CLctss 6 cI ct 5 f f!- FCC (f v5 5 I-J MerPsu~(vJr?II+ h T :: ..1 (Y) h R ::: 1 10 L( tt] DlreciWuyp d z: J D2.+ChR-h T )Z- Re? V< lctvr d r = J DZ+(~+h~JZ (l- J) \ \-/3/f: Dired...
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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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20091116Lect34EE529 - ECE 529 EMI IN MICROELECTRONICS...

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