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ESCUELA SUPERIOR POLITÉCNICA DE CHIMBORAZO

FACULTAD DE MECÁNICA ESCUELA DE INGENIERÍA INDUSTRIAL

INFORME DE LABORATORIO DE ELECTRÓNICA PRACTICA N° 2

GRUPO: 6

INTEGRANTES DEL GRUPO:

Jua E!a"#

A$!%& Ba'(a"a! 

Ru&)%' Ca!*a+a'

B!,a G!a-"#

TEMA DE LA PRÁCTICA:

EL OSCILOSCOPIO

OBJETI.OS:

E' %&/u$-a/% %&/a!0 % (a1a(-$a$ $%:

3 Ca'-)!a! , -*%'a! 'a &%4a' % %' #&(-'#&(#1-#23 D%/%!5-a! %' 1%!-#$# , %' *#'/a+% $% ua &%4a' $% (#!!-%/% a'/%!a

3 D%/%!5-a! 'a 7!%(u%(-a $% ua &%4a' $% (#!!-%/% a'/%!a83 M%$-! , (a'(u'a! *a'#!%& $% .!5&9 .19 .11

MARCO TEÓRICO:

OSCILOSCOPIO

E& u -&/!u5%/# $% 5%$-(- %'%(/!-(# 1a!a 'a !%1!%&%/a(- ;!07-(a $% &%4a'%&%'

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>?UÉ ES UN COMPROBADOR DE FASE@

La (#51!#)a(- $% 'a &%(u%(-a $% 7a&% %& (!u(-a' 1a!a $%/%!5-a$a& (a!;a& /!-70&-(a&9&-%51!% =u% $%)% (#%(/a!&% a' &-&/%5a %'MATERIALES:

O&(-'#&1-# C#51!#)a$#! $% 7a&% R%&-&/%(-a&9 $-7%!%/%& *a'#!%& 9 229 9 8 #5-#& , -'# #5-# T!a&7#!5a$#! $% * a 6* * 6*9 # 7u%/% $% C3A3 $% )a+a /%&- !%;u'a)'% P!#+%(/)#a!$ 8 !%/a"#& $% (a)'% 1a!a /-5)!% N° 22 # 5%#! $-05%/!# $% (59 1a!a (a$a

%&/u$-a/% Mu'/5%/!# $-;-/a'

E'%5%/#& # 5a/%!-a' =u% $%)% /!a%! %' %&/u$-a/% # %' ;!u1# &%;K &%%&1%(-7-=u%3

PROCEDIMIENTO

I$%/-7-(a! '#& 5a/%!-a'%& Ca'-)!a! , -*%'a! %' #&(-'#&(#1-#

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R%;u'a! 'a (#!!-%/% a'/%!a a' *#'/a+% $%/%!5-a$#

M%$-(- $% *#'/a+% .!5&

Ca'(u'# $% .!5& a 1a!/-! $% .11 Ca'(u'# $% .11 a 1a!/-! $% .!5& C#51a!a! (0'(u'#& #)/%-$#& , (a'(u'a$#& D%/%!5-a(- $%' 1%!-#$# , 7!%(u%(-a

DATOS OBTENIDOS:

Vpp=3,8 x5   Vpp=19,1

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T =5,8 x2   T =11,6ms T =0,0116 s

 F =1/T F =1/0,0116 s F =86,20hz

T =8,4 x 2   T =16,8ms T =0,0168 s

 F =1/T F =1/0,0168 s F =59,52hz

PREGUNTAS:

>Cu0' %& 'a $-7%!%(-a %/!% .RMS , .#'/a+% M0-5#9 C!%&/a # P-(#@

La $-7%!%(-a %& =u% %' .!5& %& %' *#'/a+% =u% 5%$-5#& (# %' 5u'/5%/!# , *#'/a+%50-5# %& %' *#'/a+% (a'(u'a$# , %' .1 %& $%' %+% a(-a a!!-)a %& $% 'a 5-/a$ $% 'a #$a

>?u< 1a!05%/!#& &% '%% % %' %+% *%!/-(a' , =u% 1a!05%/!#& &% '%% % %' %+% #!-"#/a' $%'a (ua$!-(u'a $%' #&(-'#&(#1-#@

E %' %+% *%!/-(a' &% 5-$% %' .11E %' %+% #!-"#/a' &% 5-$% %' 1%!-#$# , a &u *%" a(-%$# 'a !%&1%(/-*a (#*%!&- 'a7!%(u%(-a

>?u< K5%!# $% (a)'% AG !%*%&/-$# &% $%)% %'%;-! 1a!a a'-5%/a! u 5#/#! $% 1 $% 1#/%(-a , =u% !%=u-%!% * $% /%&-@

C# %&/#& $a/#& 'a (#!!-%/% =u% (-!(u'a!a 1#! %' (#$u(/#! &%!0 $% 298 A9 %/#(%&&%;K 'a /a)'a $% Ca)'% AG (#!!%&1#$% a u Ca)'% AG (a'-)!% 2

>S- % %' 5u'/5%/!# $-;-/a' #)/%%5#& ua '%(/u!a $% 2*3 ?u% *a'#!%& /%$!0 '#& .!5&9.11@

Vrms=12

v

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Vp=√ 2Vrms   Vp=√ 2(12v )   Vp=16,97 v

Vpp=2(Vp)   Vpp=2(16,97 v)   Vpp=33,94 v

>S- % 'a 1%!-''a $% (a'-)!a(- $%' #&(-'#&(#1-# %&/a % .D-* , 'a #$a &%#-$a' (u)!%96 (ua$!-(u'a& $%/%!5-% '#& *a'#!%& $% .!5&9 .19 .11@

  Vpp=5 v(5,6)

  Vpp=28 v

  Vp=Vpp/2

  Vp=28 v /2

  Vp=14 *

  Vrms=Vp/√ 2

  Vrms=14 v /√ 2

  Vrms=9,89 v

>S- % 'a 1%!-''a $% (a'-)!a(- $%' #&(-'#&(#1-# %&/a % 25&D-* , 'a #$a &%#-$a'(u)!% 698 (ua$!(u'a& $%/%!5-% 'a 7!%(u%(-a % H" $% %&a (#!!-%/%@

T =2ms(6,4)   T =12,8ms T =0,0128s

 F =1/T F =1/0,0128 s F =78,12 Hz

RECOMENDACIONES:

Pa!a %' 1!%&%/% -7#!5% 'a)#!a/#!-# %& %(%&a!-# *%!-7-(a! % %' 5u'/5%/!#$-;-/a' 'a /%&- (#!!%&1#$-%/% 1#!=u% % '#& 1a& &-;u-%/%& # #)/%$!%5#&'#& *a'#!%& %(#& % %' (0'(u'#

O)&%!*a! )-% 'a& (ua$!-(u'a& 1a!a =u% '#& *a'#!%& &% a&%5%+% % 'a 1!a(/-(a