konversi decibel
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Nama : Fauziah Anggini
Kelas : TT-3C
NIM : 3314130050
Decibel
Desibel
Desibel (Lambang Ine!nasi"nal # $%& a$alah sauan unu' mengu'u! inensias sua!a
)u!u* +%, a$a $% $iulis $engan hu!u* besa! 'a!ena me!ua'an bagian $a!i nama
enemun.a/ .aiu +%ell, (Alean$e! !aham %ell&
Desibel 2uga me!ua'an sebuah uni l"ga!imis unu' men$es'!isi'an suau !asi"
asi" e!sebu $aa be!ua $a.a ("e!&/ e'anan sua!a (s"un$ !essu!e&/ egangan aau
"lasi ("lage&/ inensias (inen6i.&/ aau hal-hal lainn.a Te!'a$ang $% 2uga $aa
$ihubung'an $engan 7h"n $an 8"ne (sauan .ang be!hubungan $engan 'e'e!asan sua!a&
9nu' mengu'u! !asi" $engan mengguna'an $% $aa $iguna'an l"ga!ima
Konversi bilangan dari watt ke dBw:
umus .ang 'ia e!guna'an a$alah:
p(dBm)=10 log P(w)/10-
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10-3 'ia e!"leh $a!i mili (10-3& sesuai $engan nilai .ang $iingin'an .aiu $alam
$%m($esi%ell mili& Aabila .ang hasil a'hi! .ang $iingin'an $alam $%; ma'a 10-3
embagin.a men2a$i 100 aau 1
8ebagai 6"n"h 'ia a'an meng'"ne!si bilangan 1 a men2a$i $%m
ma'a en.elesaiann.a a$alah:
($%m
l"g1<10-3
#10l"g103
#103#30$%m
9nu' '"ne!si bilangan ;a 'e $%m masih mengguna'an !umus $iaas .aiu:
misaln.a 'ia meng'"ne!si bilangan 30 $%m 'e ;a
ma'a en.elesaiann.a a$alah:
7($%m
l"g 7(a&<10-3
30 $%m#10l"g (a&<10-3
3 #l"g (a&=l"g103
3 #l"g 7(a&=3
0 #l"g (a&
(a& #100
# 1;a
7e!samaan $e6ibel egangan > a!us unu' ime$ansi be!be$a
$imana:
N$b # 7e!ban$ingan $ua $a.a $alam sauan $esibel
?@ # Tegangan Kelua!an
?1 # Tegangan Masu'an
@ # Ime$ansi Kelua!an
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1 # Ime$ansi Masu'an
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!"B#$ %"&'" D#B#$
DBCI%BL8
(D%&
7;B
ATI
7B%ANDINAN A98 ATA9
TBANAN
01 10@3 101@
0@ 104 10@3
03 10@ 1035
04 10E 104
05 11@@ 105E
0 114G 10@
0 115 10G4
0G 1@0@ 10E
0E 1@30 110E
10 1@5E 11@@
@0 15G5 1@5E
30 1EE5 1413
40 @51@ 15G5
50 31@ 1G
0 3EG1 1EE5
0 501@ @@3E
G0 310 @51@
E0 E43 @G1G
10 100 31@
@0 10@ 100
30 103 31@
40 104 1000
50 105 31@
0 10 10000
0 10 31@3
G0 10G 10000
E0 10E 31@3
10 1010 100000
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Apa itu dBm dan dBW?
• $%m H ialah $a.a .ang $iun2u''an $alam $e6ibel !elaie e!ha$a sau milia
• $%; - ialah $a.a .ang $iun2u''an $alam $e6ibel !elaie e!ha$a sau a
D%M D%; ;ATT8 TBMINL
=100 =0 10 000 000 10 Megaas
=E0 =0 1 000 000 1 Megaa
=G0 =50 100 000 100 'il"as
=0 =40 10 000 10 'il"as
=0 =30 1 000 1 'il"a
=50 =@0 100 100 as
=40 =10 10 10 as
=30 0 1 1 a
=@0 -10 01 100 millias
=10 -@0 001 10 millias
0 -30 0001 1 millia
-10 -40 00001 100 mi6!"as
-@0 -50 000001 10 mi6!"as-30 -0 0000001 1 mi6!"a
-40 -0 00000001 100 nan"as
-50 -G0 000000001 10 nan"as
-0 -E0 0000000001 1 nan"a
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!abel koversi dBm / millivolts / milli*atts
D%M MILLI;ATT8 ?LTAB
MILLI?LT8 (7-7&
?LTAB
MILLI?LT8 (M8&
-30 00010 @0 1
-@G 0001 @5@ GE
-@ 000@5 31 11@
-@4 00040 400 14@
-@@ 0003 50@ 1G
-@0 0010 3@ @@4
-1G 001 E @G@
-1 00@5 100 355
-14 0040 1@ 44
-1@ 003 15E 54
-10 0100 @00 10
-G 01 @5@ GE4
- 0@5 31 11@
-4 040 3EE 14@-@ 03 50@ 1G
0 100 3@ @@4
@ 15G E @G@
4 @51 4000 14@0
!abel Konversi dBm - milliwatts - +olts
D%M MILLI;ATT8 ?LTAB
?LT8 (7-7&
?LTAB
?LT8 (M8&
0 100 03@ 0@@4
@ 15G 0E @G@
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D%M MILLI;ATT8 ?LTAB
?LT8 (7-7&
?LTAB
?LT8 (M8&
4 @51 400 14@
3EG 1@ 045
G 31 15E 05
10 10 @00 01
1@ 15G @5@ 0GE
14 @51 31 11@
1 3EG 3EE 141
1G 31 50@ 1G
@0 100 3@ @@4
@@ 15G E5 @G@
@4 @51 100 355
@ 3EG 1@ 44G
@G 31 15E 54
30 1000 @00 10
3@ 15G5 @5@ GE4
34 @510 31 11@
!abel Konversi dBm - *atts - +olts
D%M ?LTAB
M? (7-7&
;ATT8
30 100 @0 10
3@ 15G @5@ GE4
34 @51 31 113
3 3EG 400 141
3G 31 50@ 1G
40 100 3@ @@44@ 15E E @G@
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D%M ?LTAB
M? (7-7&
;ATT8
44 @51 100 355
4 3EG 1@ 44
4G 31 15E 54
50 100 @00 10
5@ 15E @5@ GE4
54 @51 31 11@
5 3EG 3EE 14@
5G 31 50@ 1G
0 1000 3@ @@4
@ 15G5 E @G@