dtg2h2 elmagter 06 waveguide

8/18/2019 Dtg2h2 Elmagter 06 Waveguide

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1. Defnisi Wave Guide

Wave Guide !e&u'a(an saa) sa%u *enis sau&an %&ans!isi "e&"en%u"e&on##a di!ana "iasan+a %e&"ua% da&i !a%e&ia (ondu(%o& +an# "a"a#ian &on##an+a "e&isi "a)an diee(%&i( se!'u&na u!u!n+a "e&u(e&in#.

Ada'un 'ena!'an# ,ave #uide "iasan+a "e&"en%u( 'e&se#i 'an*a-&e$%an#ua&/ in#(a&an -$i&$ua&/ dan "e&"en%u( ei's se'e&%i 'ad"e&i(u% 0

rectangular sirkular ellis


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2. Mode Geo!"an# daa! Wave G

Tida( se'e&%i 'ada sau&an dua (a,a% +an# !e!un#(in(an !ode TEM/ !a(a 'ada ,ave #uide +an# se&in# dise"u% sau&an %&ans%un##a %ida( di!un#(in(an !un$u !ode TEM. Den#an (a%a ain %ida( da'a% !en*aa& 'ada sau&an %&ans!isi (a,a% %un##a. Haden#an o&de +an# e"i) "esa& "iasan+a daa! "en%u( !ode Ee$%&i$ - TE dan T&ansve&se Ma#ne%i( - TM sa*a +an# da'a% !en*,ave #uide.

Wave #uide "isan+a di#una(an un%u( sin+a "e&&e(uensi %in##i."e&a&%i "a),a sin+a den#an !ode TEM 'ada sau&an dua (a,a'ada &e(uensi %in##i/ %a'i e"i) (a&ena "esa&n+a &eda!an sau&an'ada &e(uensi %in##i.


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Mode Geo!"an# daa! Wave Gu

A&us (ondu(si +an# !i&i' 'ada sau&an %&ans!isi dua (a,a%

0 A&us dis'a$e!en% +an# !e!e&u(an (e"e&adaan (o!'onen a4

E.


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Mode Geo!"an# daa! Wave Gui

Aasan (ena'a '&o'a#asi !ode TEM %ida( !un#(in "e&ada 'ada ,a


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Pada G". 8.1a di%un*u(an aasan (ena'a adan+a (onf#u&asi !eda'ada !ode #eo!"an# TEM. Ha ini !un#(in (a&ena. Ha %e&sedia(i%(an den#an )u(u! a!'e&e da'a% dii)a% 'ada G".8.1a !edan !a#ne% H !asi) didu(un# oe) ai&an a4ia a&us (ondu(s"e&"eda den#an sau&an %un##a ,ave#uide G".8.2a/ di!ana!edan !a#ne% H %ida( didu(un# oe) )u(u! a!'e&e (a&en"e&adaan ai&an a4ia a&us (ondu(si Oe) (a&enan+a %ida( !un#

!ode #eo!"an# TEM.


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Te&da'a% 2 (e!un#(inan !ode #eo!"an# 'ada ,ave #uide/ +ai%u 1! M"#e TM $ Trans%erse Magnetik&

9ai%u sua%u (ondisi (e%i(a !edan !a#ne% H %&ansve&sa %e&)ada"u!"un# #eo!"an#. Da'a% din+a%a(an *i(a 0 !a(a .

2. M"#e TE $ Trans%erse Elektrik &

9ai%u sua%u (ondisi (e%i(a !edan is%&i( E %&ansve&sa %e&)ada' s"u!"un# #eo!"an#. Da'a% din+a%a(an *i(a 0 !a(a .


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'! Rektangular Wa%e Gui#e M"#e TM

Pada !ode TM / se)in##a sousi n+a adaa) !ea(aua(n 'e&)i%un#an 'ada !un#si da&i %i#a (o!'onen 4/ +/ ;.


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Ada'aun sousi un%u( 'e!e$a)a! !asaa) 'ada !ode TM da'a% d'en##una(aan )u(u! Ma4,e +an# "e&(enaan den#an Hu(u! =aA!'e&e.

dan

Den#an !en#>$u&e(an (edua sisi )o(u! =a&ada+ dan den#an !e

)o(u! Gauss un%u( !ensu"%i%usi(an dida'a% 0

Dan (a&ena dan !a(a 'ada Ga!"a& 8.2 )an+a di$a&i sousi un%u

den#an un#si 4/+/; da'a% di%uis s"" 0

ers!'(


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Den#an su"%i%usi 'e&s.12 (e daa! "en%u( 'e&sa!aan He!)o%; u!edan dida'a% 0

@ ers! ')

Ka&ena (o!'onen )an+a un#si da&i 4/ dan (o!'onen 9 )an+a + / !a(a da'a% di%uis se"a#ai "e&i(u% 0

dan ers!'*

den#an su"%is%usi (e ers! ')/ dida'a% 0


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Ada'aun sousi un%u( 'e&s.13 di%uis se"a#ai "e&i(u% 0

/ dan

Se)in##a sousi en#(a' un%u( (o!'onne a4ia da&i ')aso& !edan da'a% di%uis se"a#ai "e&i(u% 0

ers!'+


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n%u( !enen%u(an "esa&an>"esa&an +an# %ida( di(e%a)ui se'e&%i M/ dan N 'ada ers!'+ di"u%u)(an sousi +an# !e!enu)i s+dindin# (ondu(%o& ,ave #uide. Ada'un s+a&a% "a%as +an# di"u%u)

!edan is%&i( %an#ensia 'ada dindin# ,ave #uide )a&us sa!e den#

Se)in##a da&i G"&. 8.2 da'a% di%uis se"a#ai "e&i(u% 0


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Se)in##a den#an !ene&a'(an s+a&a% "a%as 0 and

Se)in##a !en#a(i"a%(an (oefsien B dan D )a&us no. Se)in##a ers! '+s"" 0

Di!ana AC !e&u'a(an a!'i%ude !edan is%&i( +an# di%en%u(an "e&dasa&

"esa&n+a da+a in'u% 'ada ,ave #uide. Sedan#(an (edua "esa&an ainn+adan N dida'a%(an den#an $a&a !e!enu)i s+a&a% "a%as 'ada 4 a dan +

Den#an !ene&a'(an s+a&a% "a%as !a(a dida'a% 0

er


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Da&i 'e&s.17 / (a&ena AC %ida( "oe) no/ !a(a ers!', da'a% di'enu)i *i(a dse"a#ai 0

/ di!ana ! 1/ 2/ / .

Ha se&u'a *u#a "e&a(u 'ada s+a&a% "a%as un%u( se)in##a dida'a% 0

/ di!ana n 1/ 2/ /

Ada'un ! dan n !e&u'a(an !ode +an# !un#(in !un$u/ di!ana !e&u'a(

%e&enda) un%u( !ode TM.

Se)in##a da&i 'e&s.17 un%u( (o!'onen a4ia !edan is%&i( dida'a% 0

ers!'-


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Den#an su"s%i%usi M dan N 'ada ers!'* !a(a 'e&sa!aan un%u( '!ode #eo!"an# TM da'a% di%uis se"a#ai "e&i(u% 0

Se)in##a 'e&sa!aan (ons%an%a '&o'a#asin+a da'a% di%uis !ena*di

ers! '.

Da&i s%udi !en#enai '&o'a#asi #eo!"an# da%a& di daa! !ediu! (diindi(asi(an "a),a un%u( '&o'a#asi #eo!"an# +an# %e&*adi/ 'as%

"ian#an i!a*ine& di!ana / Se)in##a 'e&s.1: da'a% di%uis s"" 0

ers!'/


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Guide

'! Rektangular Wa%e Gui#e M"#e TE

Pada !ode TE (o!'onen a4ia da&i !edan is%&i( dan se)in##a !!a#ne%n+a da'a% di%uis(an se"a#ai "e&i(u% 0

ers! )0

Daa! )a +an# sa!a den#an !ode TM/ !a(a "en%u( %&ansve&s un(o!'onen !edan is%&i( !ode TE - adaa) 0


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Ke!udian den#an !en#ai(an den#an dan !en#a!"i "a#ian &ea'ada 'e&s.18 dida'a% 0

ers!(0

Pada 'e&sa!aan dia%as !enun*u(an 'en*aa&an #eo!a"an# sinusoa&a( su!"u ; 'osi%i. Den#ann !ei)a% 'e&s.1


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Guide

n%u( !enda'a%(an '&o'a#asi #eo!"an# di daa! ,ave #uide / ,ave #uide den#an di!ensi a dan " / dan &e(uensi e(si%asi !e!enu)i 'ada ers! ('! =&e(uensi $u%o didefnisi(an se"a#a%e&enda) +an# a!si) !un#(in un%u( '&o'a#asi #eo!"an# se'an

#uide +an# dida'a%(an den#an su"s%i%usi 1 'ada ers!'.!

dan dida'a% 0

ers!((

Pada (asus di!ana (ons%an%a '&o'a#asi a(an "e&u'a "ian#an i!ase)in##a (ons%an%a ')asa 0

ers!()

o e e o! an# a a! av


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o e e o! an# a a! avGuide

Daa! )a &e(uensi $u%o / (ons%an%a ')asa da'a% di"e&i(an se"a0

ers! (*

Pe&sa!aan a()i& un%u( !edan is%&i( a4ia un%u( !ode '&o'a#asi /di"e&i(an 0

Ko!'onen !edan +an# %e&sisisa +an# !asi) !un#(in un%u( den#an su"s%i%usi 'ada 'e&s.26 dan un%u( un%u( !ode TM. Dan u%e&enda) 'ada !ode TM adaa) !1 dan n1/ se"a" *i(a (o!'onen ! a%au n sa!a den#an no/ !a(a !en#a(i"a%(

(o!'onen !edan !en*adi no.



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Sedan#(an 'an*an# #eo!a"an# 'ada !ode TM di daa! ,ave #udidefnisi(an se"a#ai *a&a( '&o'a#asi di daa! a&a) ; +an# di"u%u)'e&u"a)an ')asa se"esa& 2.

se)in##a 0

di!ana λ dan

Da&i 'e&sa!aan dia%as da'a% dii)a% "a),a/ 'an*an# #eo!a"an# '#uide e"i) 'an*an# *i(a di"andin#(an den#an 'an*an# #eo!"an# '&o'a#asi #eo!"an# da%a& 'ada &e(uensi +an# sa!a.


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Guide

Ha +an# sa!a *u#a da'a% di#una(an un%u+( !en*eas(an !en#en(e$e'a%an ')asa da&i !ode '&o'a#asi e"i) "esa& da&i'ada (e$e'a$a)a+a. Ada'un (e$e'a%an ')asa !ode '&o'a#asi da'a% dii)a% se""e&i(u% 0

Dan den#an !ensu"%i%usi(an da&i ers!(* / dida'a%(an 0

ers!(+

Di!ana di%un*u(an un%u( !ode '&o'a#asi di!ana 0

dan / di!ana !e&u'a(an (ons%an%a ')asa !u(a #eo!!ana "e&"eda den#an (e$e'a%an %&ans!isi ene+.


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Guide

Den#an !en##una(an 'e&s.18 un%u( 'e&sa!an !edan is%&i( a4ia !e!'e&oe) (o!'onen %&snsve&se un%u( !ode TM di!ana / dida'a

ers!(,a

ers!(,2

ers!(,c

ers!(,#

ers!(,e



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Da&i 'e&sa!aan %&ansve&se !edan 'ada 'e&s.27 dia%as dida'a% 0

den#an su"s%i%usi da&i 'e&s.18 dida'a% 0

ers!(-

Ha +an# se&u'a "e&a(u un%u( dan

ers!(.



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Da&i dua 'e&sa!aan di a%as +ai%u 'e&s.28 dan 'e&s.2: / ada (e%e&(a

'en$a&ian i!'edansi - !ode TM/ den#an !en#in#a% "a),a 'e&"aan%a&a !edan is%&i( dan !edan !a#ne% !e&u'a(an i!'edansi/ !a

ers!(/

Ada'in )u"un#ann+a an%a&a i!'edansi/ !edan is%&i(/ dan !edan da'a% di%uis se"a#ai "e&i(u% 0

.

.

id


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Guide

Da&i (u&va da'a% dii)a% "a),a/ i!'edansi !enin#(a% !enu*u i!'ins%&insi(/ dan *i(a &e(uensi n+a e"i) (e$i da&i sa!a den#an &e(u!a(a (ondisin+a short circuit.


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Guide

Ada'un s+a&a% "a%as +an# da'a% di'enu)i un%u( (asus Mode TE ad

Se)in##a "en%u( u!u! un%u( 'e&sa!aan !edan !a#ne% adaa) 0

ers!)'


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Guide

Se)in##a sousi un%u( s+a&a% "a%as da'a% di'enu)i un%u( 0

/ di!ana a%au

Ha +an# sa!a *u#a "e&a(u un%u( 0

Den#an su"s%i%usi M dan N 'ada 'e&s.1 dida'a% 0

e

Tida( se'e&%i 'ada !osde TM/ 'ada !ode TE niai ! ? a%au n? !dii;in(an di%e&a'(an 'ada 'e&s.2.



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Ada'un (ons%an%a '&o'a#asi un%u( !ode #eo!"an# TE adaa) 0

Dan '&o'a#asi !ode TE di!ana %e&*adi (e%i(a 0

Sedan#(an !ode non>'&o'a#asi a%au %ida( !e&a!"an# -evanes$e(e%i(a 0

G id


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Guide

Sedan#(an un%u( $u%o !ode TE adaa) (e%i(a 0

ers!))

n%u( di!ensi ,ave #uide se'e&%i 'ada Gbr.7.2 Rectangular wadi!ana " a / !a(a !ode %e&enda) un%u! !ode TE adaa) n%

ini/ !a(a &e(uensi $u%o n+a adaa) 0

G id


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Guide

Sedan#(an un%u( !ode adaa) 0

Ada'un )u"un#an !edan is%&i( E dan Medan !a#ne% H adaa) "eni!'edansi se"a#ai "e&i(u% 0

/ dan



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dtg2h2 elmagter 06 waveguide

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