Kelompok 3 - Impedansi Input Kabel Koaksial

Laporan Praktikum

Laboratorium Sistem Transmisi SEMESTER IV TAHUN 2015/2016

JUDUL

IMPEDANSI INPUT A!EL "#A$IAL

KELOMPOK 3

Di%k& Putra Pratama U'ima Lari(a S&a)*i +a,ra -i,a. Putri D

S1-TERAPAN

PR#RAM STUDI !R#AD!AND MULTIMEDIA -URUSAN TENI ELETR#

P#LITENI NEERI -AART - AARTA A 2016

I. TUJUAN

1 Mnukur imp.an(i (a'uran tr.apat pru3a,an )rkun(i4 (aat (a'uran .'am ka.aan

tr3uka4

tr,u3un

(inkat4

.an

.itrmina(i

.nan

imp.an(i

karaktri(tikn&a 2 Mnukur p,a(a .an kon(tanta (a'uran "4 L .an imp.an(i (a'uran ika .itrmina(i .nan imp.an(i karaktri(tikn&a

II. PENDAULUAN

A Uun Sa'uran Tr3uka Pa.a )rkun(i rn.a,4 ka3' &an uunn&a tr3uka 3rak(i (prti kapa(itor  .nan pr(ran p,a(a 70 o !i'a )rkun(i .itinkatkan4 in.ukta(i ka3' mna.i )kti) .an (u.ut p,a(a mna.i '3i, k%i'4 ('anutn&a tra.i r(onan(i 8)o9 -ika )rkun(i .itinkatkan tru( p,a(a 3ranti .iantara ni'ai kapa(iti) .an in.ukti) Untuk  mnntukan ni'ai kon(tanta kapa(iti) (a'uran 8"9 .iunakan rumu( 3rikut:  Rsh =

1

    →

2π   f  Xc

C  =

C  1

Dimana4 ; < 70 o

! Raktan(i Sa'uran Tr,u3un Sinkat Raktan(i in.ukti) tra.i (aat p,a(a po(iti)4 ika (u.ut p,a(a =5 o4 maka 3aian ra' (ama .nan 3aian imainr4 &akni: R1

=

m

Zin =

2

 L =

"

 Zin

    →

2π  2

Uun

Sa'uran

 L =

 L 1

.itrmina(ikan

.nan

imp.an(i

.nan

imp.an(i

karaktri(tikn&a -ika (a'uran .itrmina(ikan .nan imp.an(i karaktri(tikn&a4 maka (u.ut  p,a(a (%ara tori(ti( akan +ER# Ttapi pnaru, kapa(iti) (okt pnukuran mn&3a3kan (u.ut p,a(a nati)

III. DIA!RAM PER"O#AAN

I$. ALAT DAN KOMPONEN

nrator )un(i

1 3ua,

#(i'o(kop

13ua,

R(i(tor 1> S# 5125?R

13ua,

Sa'uran S# @5@?5"

13ua,

$. DATA ASIL PER"O#AAN

1 Mn&u(un Rankaian pr%o3aan (prti am3ar 14 kmu.ian m'nkapi ta3'  3rikut

 8HB9

Vin

I1

I1 8mA9

+in 8>9

µ∆t8uS9

T8uS9

/C

; 8o9

8Vpp9

10

24 

04= 

04= 

54

?

µs

76 µs

C

26425

100

246= 

046 

046 

545

2

µs

74 µs

C

?@4=6

200

1472 

046 

046 

24

142

5 µs



64=

@00

142 

04?2 

04?2 

14?

0452

µs

@4= µs



55405

=00

1452 

04=6 

04=6 

@4@

042=

µs

242= µs



@45

500

1452 

04@7 

04@7 

@4

0420

µs

240 µs



@=46

600

146 

0457 

0457 

24?

042

µs

146 µs



6040

µs

?00

14= 

04@7 

04@7 

=4?

042=

µs

14= µs



614?

1000

14?6 

0456 

0456 

@41

0416

µs

140 µs



5@4@

2 Mru3a, )rkun(i (,ina .i.apat (u.ut ; <70 o4 ,itun +in pa.a kon.i(i tr(3ut @ Hu3un (inkat 33an (a'uran4 Lnkapi Ta3' 2 Ta3' 24 Mnukur Imp.an(i Input (aat (a'uran tr,u3un (inkat4 Vin a*a' < 2 Vpp 

Vin

Vr

8HB9

 ∆t8uS9

T8uS9

/C

; 8o9

I1

+in

Pnu'i(an

8mA9

8>9

Imp.an(i

10

14@6

040?

040?

174=2

=

76

C

15

.a'am Po'ar  174=2F15

100

14?6

0405

0405

@542

04=0

746

C

15

@542F15

200

240 0405 0405 @546

0420

=4



15

@546F15

@00

2416 04052 04052 =145@

0420

@4=



2141?

=145@F2141?

=00

242= 0405 0405 @462

042

2425



==4

@462F==4

0405= 0405= @?40@

042=

240=



=24@5

@?40@F=24@5

600

14?6 04056 04056 @14=2

04@6

146



??41=

@14=2F??41=

?00

1452 04052 04052 2742@

042=

14==



6040

2742@F6040

1000

146 04066 04066 254=5

0410

760



040@5

254=5F040@5

500

2

Ta3' @4 Vin < 2 Vpp4 Uun Sa'uran mat%,in .nan Imp.an(i araktri(tik  

Vin

Vr

I1

8HB9

; 8o9

+in

 ∆t8uS

8>9

9

Imp.an(i

T8uS9

/C

Pnu'i(an

10

2

0456

0456

@45?

2

76



?45

.a'am Po'ar  @45?F?45

100

2

0405

0405

=040

0460

10



2146

=040F2146

200

1472

040=

040=

=40

04=0

=4



@040

=40F@040

@00

0472 040@ 040@ 2=421

04=0

@4=



=24@5

2=421F=24@5

=00

14= 040@ 040@ =4=2

042=

24==



=24@5

=4=2F=24@5

500

146

040=

=240

042=

1472



@54=0

=240F@54=0

600

1460 040=2 040=2

@47

0416

146=



=540

@47F=540

?00

146

040== 040== @64@6

0416

14=



524@6

@64@6F524@6

1000

14?6 040=6 040=6 @426

040

1



2

@426F2

040=

$I. ANALISA

 pa.a pr%3aan prtama &akni imp.an(i input &an tr3uka4 ktika .i3ri )rkun(i (3(ar 10 HB .i.apat Vin (3(ar 24V 4 Vr (3(ar 04= V 4 I1 (3(ar 04= mA 4 t8u(9 (3(ar ? µs4 T 8u(9 (3(ar 7

4 kmu.ian +in .i.apat .ari ,a(i' Vin/I1 &aitu

µs

(3(ar 54 4 kmu.ian ; 8o9 (3(ar 25426 .ari ,a(i'

%t&T ' 3()

(,ina .i.apat

 pnu'i(an imp.an(i .a'am po'ar 54F25426 ktika .i3ri )rkun(i (3(ar 1000 HB .i.apat Vin (3(ar 14?5V 4 Vr (3(ar 0456 V 4 I1 (3(ar 0456 mA 4 t8u(9 (3(ar 0416 4 T 8u(9 (3(ar 10

µs

4 kmu.ian +in .i.apat .ari ,a(i' Vin/I1 &aitu (3(ar @1 4

µs

kmu.ian ; 8o9 (3(ar 5@4@ .ari ,a(i'

%t&T ' 3()

(,ina .i.apat pnu'i(an

imp.an(i .a'am po'ar @41F@45 Pa.a (a'uran ini pa.a uun ma(ukan &an tr( am3un k (um3r pm3a%aan tanan .an aru( a.a'a, trtntu pa.a ni'ai V .an I &an (p(i)ik4 pr3an.inan V/I a.a'a, imp.an(i karaktri(tik +0 .ari (a'uran tr(3ut

Pa.a pr%o3aan k.ua &akni pa.a imp.an(i input &an tr,u3un (inkat tr'i,at 3a,*a panan (a'uranpa.a (a'uran tr3uka akan mmpnaru,i (u.ut )a(a antara tanan .an aru( pa.a (a'uran4 ktika .i3ri )rkun(i (3(ar 10 HB .i.apat Vin (3(ar 14@6V 4 Vr (3(ar 040?V 4 I1 (3(ar 040?mA 4 t8u(9 (3(ar =4 T 8u(9 (3(ar  764 kmu.ian +in .i.apat .ari ,a(i' Vin/I1 &aitu (3(ar 174 =2 4 kmu.ian ; 8 o9 (3(ar  15 .ari ,a(i'

%t&T ' 3()

(,ina .i.apat pnu'i(an imp.an(i .a'am po'ar 174=2F15

(.ankan ktika .i3ri )rkun(i (3(ar 1000 HB .i.apat Vin (3(ar146V 4 Vr  (3(ar 04066V 4 I1 (3(ar 04066 mA 4 t8u(9 (3(ar 0410 4 T 8u(9 (3(ar 760

4

kmu.ian +in .i.apat .ari ,a(i' Vin/I1 &aitu (3(ar 254 =5 4 kmu.ian ; 8 o9 (3(ar  040@5 .ari ,a(i'

%t&T ' 3()

(,ina .i.apat pnu'i(an imp.an(i .a'am po'ar 

254=5F040@5

Pa.a pr%o3aan ktia &akni (aat uun (a'uran mat%,in .nan imp.an(i karaktri(tik (u.ut p,a(a 3rni'ai nati) 89 karna a.an&a pnaru, kapa(iti) (okt .ari

 pnukuran Smakin 3(ar )rkun(i maka (u.ut p,a(a (makin 3(ar4 .imana .i.apatkan .ari rumu( ; <  ∆t/T G @60 o (aat +in < @5? o,m4  ∆t < 2uS4 T < 76uS maka (u.ut p,a(a &an .i.apat a.a'a, ?5 o4 (.ankan (aat +in < @26 o,m4  ∆t < 00uS4 T < 1uS maka (u.ut p,a(a &an .i.apat a.a'a, 2 o #', karna itu4 ,a(i' &an .i.apat mmnaru,i pnu'i(an imp.an(i .a'am po'ar &aitu +in F ; 

$II. KESIMPULAN

Dari ,a(i' pr%o3aan .iata( .apat .i(impu'kan 3a,*a :

1

Imp.an(i karaktri(tik (3an.in .nan r(i(tan(i &an mnntukan um'a, aru( &an mna'ir .a'am rankaian

2

Saat (a'uran tr,u3un (inkat maka 3aian ra' (ama .nan 3aian imainr

@

Imp.an(i (a'uran akan 3rantun pa.a )rkun(i .an panan (a'uran Trutama apa3i'a (a'uran tr,u3un (inkat4 karna (a'uran a kan 3r)k  in.ukti) atau kapa(iti) E)k in.ukti) atau kapa(iti) ini (anat rat ,u3unann&a .nan panan 'om3an .an panan (a'uran

=

 Ni'ai imp.an(i .a'am po'ar (aat Sa'uran mat%,in .nan Imp.an(i araktri(tik .i.apatkan +in F ; (prti pa.a (aat rkun(i < 10 HB4 +in < @45? .an ; < ?45o4 maka @45? F ?45  o