P$eci" Ca#. Fed. Y GBA: $21,90 $21,90
$0,80 Reca$g" e!&'" a i!%e$i"$: $0,80 Reca$g" ISSN: 0328-5073 A(" 27 / 2013 / / N) N) 323
Feliz Cumplea(os saber eleCtr+niCa Saber Electrónica cumple 27 años de edición ininterrumpida mientras que el portal 111.1$$)$"/-,+'".",*.- cumple 20 años; logros que queremos compartirlos con Ud. A a"$i" de e#$e n/me"o, $odo# lo# lec$o"e# de s# ec%#)c !%e #ean #ocio# del C& se od"+n de#ca"ga" n$eg"amen$e n%e#$"a "e&i#$a "edilec$a an$e# de !%e la mi#ma #e enc%en$"e en c%en$"e en lo# %e#$o# de &en$a. &e n$a. Ac$%almen$e con$amo# con m+# de 120,000 #ocio# ac$i&o# en $odo el m%ndo (#on ac$i&o# a!%ello# !%e han ing"e#ado a n%e#$"o o"$al al meno# %na &e* en el /l$imo me#) 200,000 &i#i$an$e# "egi#$"ado# !%e al meno# ing"e#a"on a 'c%#!c en lo# /l$imo# 6 me#e#. E#$o oca#iona %n g"an $"+fico de da$o# !%e no# ha obligado a cambia" de #e"&ido"e# a"a a "a ode" b"inda" el mejo" #e"&icio. Cla"o e#$+ !%e a/n ha de$alle# !%e "e#ol&e" e# e # o" ello !%e m%cha# &ece# no encon$"a"+ la# de#ca"ga# of"ecida# nece#i$amo# #% a%da a"a ode" #ol%ciona" dicho "oblema. Cada &e* !%e Ud. no %eda "eali*a" %na de#ca"ga, o no enc%en$"e la info"macin of"ecida, "ogamo# !%e en&e %n mail a c"c%c!@'ebelec%#!c.c!m.# a"a ode" #ol%ciona" el incon&enien$e.
S obre obre loS temaS anunciadoS en la tapa, puede deScarga deScargar r 400 pginaS de informaci5n deSde el miSmo Sitio y con la miSma clave . mS de 400
adem*s de esta ediCi+n en Formato digital , ud. podr* desCargar g gra ratuitamente: tuitamente: 1) cd: S ervicio ervicio t cnico a lavadoraS 2) cd: S ervicio ervicio t cnico a r efrigeradoreS efrigeradoreS 3) cd: S ervicio ervicio t cnico a S ecadoraS ecadoraS 4) cd: S ervicio ervicio t cnico a lavavajillaS Pa"a "eali*a" la de#ca"ga di"ja#e a n%e#$"a 'eb: '''.'ebelec%#!c.c!m.#, ing"e#e en la 'eb, haga clic en el cono "$$'!#d ) colo!%e la cla&e !%e #e da en la e$i!%e$a de la +gina 1. Rec%e"de !%e de#de el me# "(imo od"+ 0com"a" la "e&i#$a en ael ) $ambin de$c##l sin Cargo de#de n%e#$"a 'eb. Bien, a $iene ma$e"ial a"a $odo el me# a# !%e: 3a #'%-0/-),! i+&. H,-"', d+'$) v))$(,
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Distri Dis tribu bución ción en Capi Capital tal Ca&"$' Ca#c Ca#c""a ""a&$ &$ H !$' !$' SH G)(e#be&g 3258 - Ca%. 4301-4942
Impresi%n: Impresiones BARRACAS
Distribución en Inte Interior rior D'(&b) D'(& b)d$ d$&a &a B&(&,# B&(&,# S.A.C. A*. V"+ V"+ S,&'f"d S,&'f"d 1950 - Ca%.
Uruguay Uru guay RoDeSol SA C)dad"a 1416 - M$#(*d$ 901-1184
P'bicaci+! adhe$ida a a A%"ciaci+! A$ge!&i!a de Edi&"$e% de Re(i%&a%
SABER ELECTRONICA
DEL DIRECTOR AL LECTOR
Di!ec#o!
I,%. H-0a!'- D. Va**# P!od$cci)n
Un Año Más...
J-1: Ma0;a N'#4#1 (G03- Q3a0 SRL) Col$mni"#a":
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EDITORIAL
QUARK
Edito rial QUarK S.r.l. P+ *$!a+$a ! & !+!c# ! ca!&&a ! &a *b&$cac$ '!a& Sa bEr ElEctro nica a"ge$: (G+* Qa+% SRL) Sa R$ca+ 2072, Ca *$a& F!!+a&, T!& (11) 4301-8804 M'& (SISA): Ca. Mc!'a 2, C&. Sa. A"!a, Eca!*!c ! M+!&, E. M/$c, T!&: (55) 5839-5077
ARGENTINA Admini"#!aci)n & Negocio" T##1a C. Jaa (G3 Q3a) S#aff L'*'aa T##1a Va**#, Ma'#*a Va**#, D'#% Va**# Si"#ema": Pa3*a Ma'aa V'"a* Red & Com$#ado!a": Ra>* R+# Video & Animacione": F#a" F#9"#8 Legale": F#a" F*#1 Con#ad$!(a: F#a" D3!a!& T'cnica & De"a!!ollo de P!o#o#io": A*$#" A+a" F*#1 M'%ico Admini"#!aci)n & Negocio" Pa'!'a R'4# R'4#, Ma%a'a R'4# R'4# S#aff I%. I1+a#* C#4a#1 "# A"a, I%. L3'1 A*# Ca1 R#%a*a", V'! Ra+= R'4# R'4#, G#%'a R'4# R'4#, J1 L3'1 Pa#"#1 F*#1 A#enci)n al Clien#e A*# a" Va**# a#!*'#@5##*#!'!a.!+.a Di!ec#o! del Cl$b SE: *3'1*#%3'8a+@5##*#!'!a.!+.a G!$o Q$a!k SRL Sa R'!a" 2072 - Ca'a* F#"#a* 555.5##*#!'!a.!+.a 555.5##*#!'!a.!+.+6 555.5##*#!'!a.!+.4# G03 Q3a0) SRL 7 Sa#0 E*#!20='!a 1# 0#11a'*'8a 0 #* !2#'" "# *a1 2a1 $'0+a"a1. T"1 *1 0"3!21 +a0!a1 3# 1# +#!'a 1 a *1 #$#!21 "# 0#12a0 3 1#04'!' a* *#!20, 7 #20a
Bien, amigos de Saber Electrónica, nos encontramos nuevamente en las páginas de nuestra revista predilecta para compar- tir las novedades del mundo de la electró- nica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¡Hasta el mes próximo!
Ing. Horacio D. Valle jo
Ar o d Ar t tíícul culo de e Ta Tapa pa Pe!en"amo! el !i!"ema elec"+nico coe!pondien"e a la a#"oma"i'aci+n de #n a!cen!o paa $aio! pi!o!. El a"*c#lo e%pone el cic#i"o de la maq#e"a de #n a!cen!o de 5 plan"a! con PIC peo nada impide q#e p#eda emplea el di!po!i"i$o paa #na can"idad dife- en"e de pi!o!. E!"e po&ec"o f#e el pimeo q#e de- !aoll c#ando me in"od#je en el m#ndo de lo! micocon"oladoe!, ac"#almen"e me do& c#en"a q#e, con lo! n#e$o! conocimien"o! q#e he adq#iido, pod*a habe eali'ado el pogama de foma ma! dep#ada, peo he decidido dejalo "al c#al paa q#e p#eda !e compendido po #n pincipian"e. El po- gama e! m#& fcil de compende & modifica de modo de pode #!alo paa o"a! aplicacione!. Decidimo! la p#blicaci+n de e!"e infome dado q#e en difeen"e! !eminaio! eali'ado! po Sabe Elec"+nica en M%ico, Agen"ina, Pe & El Sal$ado, 6 pa"icipan"e! (e!"#dian"e! #ni$e!i"aio!) e%p#!ie- on !#! modelo! ba!ado! en e!"e a!cen!o. A<;: JC M(;D, ,-(: ,@+,*., - ;;://>>>.+,*.,
AutomAtismos:
Ascensor
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PlAntAs
microcontrolAdo ProgrAmAble In$"od%ccIn H = =< 8 < += < +< +<= = +< + = << = + + 20 < =< +, += + 10 ++=< < =* * < << 4 << + + =< H, += > <* + =< + < < < +=<. C >+ < + ++<, + < +< + + ++ !IC16F84. E < < = 1 +=< << + = ++<-
!IC 16F84A, += +< 5 <. L + <+ < < +< = < +, + 16F628 = += ++ = < < 7 <. E = = + + = * > + = + < +< < = * = +=, + = += + <<< < < > < ++ < +<. L << ++< > = < = = + LED + = > = < <
Artículo de Tapa >< +*. E = > LED + = +=< +* + <. A = < < ++< <= + = + = +< <. L << + + < +< < =< < =< +, += = <* @ < . E =<, *<+= +* < = <=* = < = < >< = @+: E = 2 = *> < + = 40 @ 40 < <=* =, +<=++ = + = +<+ (= +). %* =< < + = < =+ >+ < =. E < *<=> = = =+, += = =, = + = +
F<( 1
F<( 2
F<( 3
F<( 4
= < . ' < = (= + = 2) = = = = + ++ ++ < = +< +< = < > +. L +* + , + > 2 >+, = > + = < <* =>. E = 3 < = >< 8 =+ <=* = 40 @ 40 100 <. E< =+ + < =+> = + = < = + = . A << = <* = = =. E + < ++ = LED +, = 4. E< LED ++< <-
Ascensor de “N” Plantas Microcontrolado Programable
F<( 5
< + ++<, =< < +< = + 8 < + =< + = < @. L < <+ LED +< + < . A =< <- <+ < > + < , = + <- += = < < ++< = +*. H =< = +< 50 @ 20 + <.
F<( 6
! < + +* =<+ = < = + +<>, << ++ + < = - +* = , = + > = + -, < + = +<+< + = *<+= < . A +*, , + = = = = <= = = + ++ <=< -, < + +* < <=*, = 5. *> < 3 < = > +, > = << 12, += > >< = +* < <=* =, + @ * +. E = 6 = *> -. $ << = <=< = ++ < = . $ + + ++< = + +=< +*. E< < < = + = . $= = = +=< < <+< <= =< ><. E = < < <* * +== < <> +: +-<=<, += <+<+ += <+< +< . E << +< = = < -: =<< +< < <, < +<+<, <+< + <+ << +<=. E = 7 = *> + = +=
F<( 7
F<( 8
Artículo de Tapa
F<( 9
< <=< <+. A *, + < ++ +*, +* <+ - ++ = 8. $ > = +=< =<, *> = += ++ +* <+< + LED, = << >=> + .
El cI"c%I$o Elc$"Ico dEl #I#$EMA dE con$"ol $ = *> = = 9 = +* < +< ++< !IC 16F84A, == +<< =< 16F628 + = = ++ +< 4MH 2 + +. $=< <+ = -
LED < ++< +< ++< = + > >. N<=<, < +=+, += = + = LED + < = = "0" < < ++< LED = <+ "1". *> = =, << + + +*, +< !IC + LED. E = < += < + <, += <+< = =+, + = (<< +) = + > + "0". L LED =< + = <+ < > < +. *><, =+< ++=< * = < * !IC; = < <, <* 1 < *; = =<, -
Artículo de Tapa
Artículo de Tapa
Ascensor de “N” Plantas Microcontrolado Programable
Artículo de Tapa <=++ <=++, < +>< + = +, = ++ ++ = + <=++. E< +> . .@ ( < = *+ = +< !IC += ) = + =< =< ?*: >>>.>,),,*;90*(.*.(9, + ++ + ? +>: (*,90*. E + < <* +< + ++=< , += + + + < <+=.
F<( 10
lA E$AA dE o$EncIA = 12' = , == = ++< +== = =+ < 5' 24', += =< < ** . E = 10 < ++=< = , <> < ++=< * = <> << ++<. E +<+< = 12', = < = + =+ =< <* + < <, = +== < <, += < 110' 220'. E <> = + +<+< < < + * , == < = , , <* + < < (110' 220') * >< = < +<+< + < +<=.
+ < 10JF (< < > =). N<=< 12' = + < 7805 > >< +<+ < + = + 1000JF. E = + > <= = , + =+ ++ < = = = + +*, += += + +*+ ++=< < < =<. & > >+ = ++< =+< =< = + ++< < +@ - = <+<
lA lAcA dE cI"c%I$o IM"E#o E !CB, < = 11, + < = = < 7805, += + * < 12' 5'. A = < > = + +<<+ 100JF
F<( 12
Ascensor de “N” Plantas Microcontrolado Programable F<( 11
Artículo de Tapa + +*. E = 12 = *> = >< + +< . % + + + < <+, < @+ +< = < +<, ++=< +< + +=< +, < = *>< < <+= < +.
"og"AMAdo" dE Ic gIc ! ++< + + = ++=< +. != = + = ++< =< = +=< = @= > <= $* E+<+. D+
+ =< @< < +>< ++< +=< < < , <* %*< = + <> =< . A ++ = <, < = =< CM ><=, <+ =+ =< >< ++ = ! 2. E = $* E+<+ NK 287 =*+ = + !IC =< &$B GI!C $E. E = 13 + ++=< < += @++ +< >< +, = + < + =< ?*: >>>.>,),,*;90*(.*.(9 , + ++ + ? +>: (*,90*.
F<( 13
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laaajia E+;693 !<92 #"l, #9 I5;95*653 #.A. + c&, 3 c3< #E ? 3 "=; #9 E3*;95* 95;5 ; 5<=6 96+<*;6 <3;+. 9 93@9 3 +*9 ;5 8< ;59 ; 9=; 3 3*5* + < 56, ++6 8< 3 /9B5 9<5; 69 < *65;5+6. 9 93@9 3 +*9, =? 3 ;6: >>>.>3*;965*.*6.9 , / *3* 5 3 D*656 >69+ 59 3 *3= Fcd-1407G. d9B 599 < +9**5 + *6996 3*;95*6 ?, ? ;B 9;9+6, + 5+;6 6+9B 93@9 3 +*9 <5+6 3 5;9<**65 8< 5+8<5. # 56 ;B 9;9+6, 3 5=9B < *33 + *6996 3 +9**5 + +*9 (9;99 5 >3*;965* 9;<;6 ? ;6+6 36 6*6 65 5*6).
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REGULADORES 78XX EN PARALELO 'G H @HL GG H 10. H C" GO , G@ G I L G H @L IS G G@. $ D1, D2 L D3 H Q G H, @G D4, D5 L D6 I Q GS @ G. A@ H , @ @OK@, C" G HS IG G HG. $ G G @ 3A.
REGULADOR DE TENSION FIJO DE 7A C HK H GG G, @ H@G GIQ @O G H C" G (H 11). AQ, G G 4A H@ H H GG " 42. G H (G 7A), GG @
F'&-" 11
lecci#n 5
%#2955 2&2955. $ GS GO C", L GG IH@ G . C@ S @@ H HG @GS @ HG@SI, HL C" 7812.
F'&-" 12 REGULADOR DE 7A CON PROTECCION CONTRA CORTOS E HG HG, H H H GHG , G@G C" L GG ( H HGM) H@Q. $ H 12 HG H HG H @ H G H. E H@G @, 2 G , HG@G C". E G *1 G GHG L H S@H:
F'&-" 13
D: = G @. = G GHG @. = GS -@ GG 1 HGM. H I *1, G HGGH I @OK@ G HG.
REGULADOR AJUSTABLE UTILI!ANDO CI. 7805 741 !L H G@ H @ HS . $ H 13 @HG H @ H GS HG 7 G 20.
F'&-" 14
G GS @ H H I @L H 2 GS HS C" G H I @OK@ GS G C". @, H 7805, HP@ HGM 7815, GQ@ H IS G 17 20 @O, G I GS G. *@ H C"7824 H HGM HS, H 741 Q H@, L H GQ@ G @O 25.
FUENTE DE TENSION SIMETRICA UTILI!ANDO CI 78XX 'I H, H 14, H@ HI@G 741 H G GT @ H I GS, HG@G G *1 L *2. A H H G G GI, @ H GI @ L Q G@ G GI L GI S G. $ G GS GI L GI GS -G 741, I GQ G 1@ L 5@. $ G C1, C2, C3 L C4 G G G H H KG L C5 H @G G G I ( 2) L C"-3 ( 6). CHH H H H, KS 7824, Q@G GS @ . FM, @G G H , H G HG G GO @HG G@G 2 G O@, 3 M, 26 G MS L @ H 24 GG.
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l amificr orci L' 4'7*'* + + ''*47 4+7'4' ' 489'*4 8+ *++ ' '8 9'8 *+ 9+7' > 8 4894 4 + 7+' 4 ' 4+*'* *+ +8948 ''*47+8. #4*4 94 7+89' ++'*4 + +894, >' + +8 @8 7+4+*'+ (> @8 4*4) 9?'7 ''*47 4+7'4' + +'47'7 794 +8+', ++7'+9+ 74**4 + 8+7+8 ++C'8, ''? *+ 7+'?'7 '8 8'8 4+8 + + 4+7'4'. #' 7++ ++48 + ++9' 47'*47 *+ *848948 ++9748 + 9+ + ''*47 4+7'4', + 8 +78 9+7'*', 47 ++4: 49++ '>47 4'*'* > *7', '8 44 +47 4894 949' *+ 74*94 '. INTRODUCCIN $ GQ H@G G @G, @G S@ H @ H M G@ G. I @S G G, @ HGM G H , , GQG @, HL H H : AI I, @ @HL . @ M G H .
EL AMPLIFICADOR OPERACIONAL IDEAL REAL E @ L H KG OG T HG GQG:
- G''' + '?4 '+794: 9' - A4 *+ '*': 9' - I+*'' *+ +97'*': 9' - I+*'' *+ 8'*': ' - %'7'4+8 *+ '7'9+789'8 4 + 9+4 > ' 9++7'97': +=89+9+8. E Q@ O @ Q @ HG HIG @ H H 1, @ H (GHG), @ G G (HG G), GS H H (GS G) H. E @ ( OG) H@ GQG @ H @ L Q HG:
- G''' ' '?4 '+794 +=97+'*'+9+ ++'*' (*+ 47*+ *+ 103 ' 106), +74 4 9', - A4 *+ '*' + 7+ ' '' *+8*+ .. '89' '48 +9+'7+8 *+ MH? (+'+79?); 4 94*4, ' ''' 8 7+'+9' 7@ *8>+*4 4 ' 7++' ' 7'? *+ 6*B/49'' ' 12*B/49'', '89' 4+78+ 9'74,
F'&-" 1
lecci#n 5
F'&-" 2
- I+*'' *+ +97'*' ++'*', *+ 47*+ *+ 48 MJ (+'4), '+ 4 +8 9'; +*+ *+87+'78+ ' 477+9+ +97+ 48 9+7'+8 4894 > +'94 *+ +97'*' + ' '>47' *+ 48 '848 7@948, - I+*'' *+ 8'*' 4 +8 ' +74 8 > ++C', - %'7'4+8 *+ '8 '7'9+789'8 44 + 9+4 > ' 9++7'97' > 7+**'8: - #+8 *+ 8'*' 489' > +'9' 4 '' '' *+ '47+8, 47'+9+ +97+ E10 49 ' E15 49. H I H, @G, @ G GQG PG @HL @ @ , G HG H, O HG GQ H O G, H@ H H G G G GI L GI, H H@ = W. GG, GS G GI, H O K, H G GI, H @@ L @ HG H 2. AHH OH H O O @G, H@G @S HH HG L S G, , H K = L.
AMPLIFICADOR INvERSOR EG HS @ Q H R (GS ) R HG G L H @L, H @, G H @ @ GIP H @ @GS GI.
F'&-" 3
$ R G, @ I@ H 3, G@ I, GI, @ GG G GI, I, I G H G HL I HG @ G @GS *1 L *2, H G, @ I@, @; I, S G *2 H I G@ G GI, H I S @GS, H @GS GI. $ GS G@ GI L GI H, H @ G @HL L G G G G@ O OG@G H, G K = L @ L Q@ @. IM H H G G G@ G HG (H 3) G L = 0, : K = L = 0. G , @ :
C@ "1 = "2 L K = 0 @ :
"@G@G I H S *2/*1 GH AI @ L H HS H@ HG G:
T%+-" E H:
D H H @ KG@ HG H:
- L' 8+C' *+ 8'*' +8 4+89' ' ' *+ +97'*'; ' 8+C' - 48 47' *+ +84; - L' ''' +89@ *'*' 47 ' 7+' +97+ ' 7+889+' *+ '+9' > ' *+ +97'*' (+89' 74+*'* 9' 8+ '' ' 497'8 47'4+8). @ H @ OG H G G H GS -8 G +200@ G. "@G H@ GS:
:
! *1 = 1,5` G@ *2 I 60`. E *1 *2 G I *3 L:
I G HG:
. EG H G @ H HGM @ G, PG G IM @O HGM L MS H @G @O G. GQG @GG H GS, G@ G I, K@ @ H AI @ G G. E G MS H G@ H HG G IGH. E HH LG @@M G Q GS H H HS G G @ (@ H KG H @ H ). E HG@G Q H G G *3 HG H 3, HL I @ G I @ G H G@G ; H I G *3 H GS@G M H HG G @ @ G H GS H (]H G^). E H 4 H HG H G G. E OG, H @ G @G G G @S. @G LGO G H T HG @ . E G @ G KG @ . E HG HS (2) @ H IO H R G G @ H, Q @ G@P I @ , G G O@G.
AMPLIFICADOR NO INvERSOR CH G @ G G H HG @ H HG H @ , @ I @O .
F'&-" 4
lecci#n 5
E H 5 @HG H HS GQ, I H R G I, G , GG, @@ R H G.
F'&-" 5
E HG@G H G HS @ @ I. C@ G HG HG @ I @G H 3 G GG @GH G @ HG. C@:
G@:
D H G G G "1 "2 @ :
$H:
$ HS (3) @HG H GS G @@ H G L O G:
' :
0,5 G HP@ G 5 GQ@ H G, @:
F'&-" 6
CHG (]H^) S GGI *2 = 0 L *1b W HG H 5. G Q, H HS @ H GS. E G , GS HG @OK@ @ G L @Q@ , H @G H G S @ G G L Q IG G . $ H 6 G G HG H GS @ . C@ @, G G@ G O H L @O G I@, HG H 6, H:
T%+-" H:
A G HS (3) L @ *2=0 G@P HG:
E HG H 6, H@ H GS G, G , HG L IS , H @ GG G G @ I, @G H 1%`.
AMPLIFICADOR SUMADOR E @ H@ (H 7) H @ H KGS @ I H HGM G IGH, MS H I G G , G, G H OG@G G H . $ H@ G G H *3, H Q H Q GS H GS @ H@. G G G GG I, GS HGO HIG H@ G G, H H H H I@G I @ R. DG@@ GQG HG (H 7) H@G H : K = L = 0 L "1 + "2 = "3. @:
F'&-" 7
C H K Z 0 G@:
@G:
C@ I@, G HG G H R H@ G, GH H 180U, I @
lecci#n 5
HS. E G *4 HL G HG G *1, *2 L *3 G @S H GS L G G. HG H 7 @ *1 = *2 = *3, HS (5) HO:
L HG IIO H @ H@ ( @S) R G, HG H@ GO 180U.
AMPLIFICADOR RESTADOR O DIFERENCIAL
F'&-" 8
$ GQG H@G H @ HGG @ G R G. $ H 8 G H HS GQ H HGM H @ IS G. EG @G G H H GS H G G GI (2) L H G GI (1), @HG H T@ () H I G G L @GS. E OG L G OH, G G *1 L *2 H, Q @ *3 L *4, :
E G K , @ G, H L = 0. H I GO H H G HG I GS @ *2 L *4, H 8, H H@ G@G H 9. @ G:
F'&-" 9
C@
:
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DB7 6BFG4G4@BF H ?4 GF
F'&-" 10
AMPLIFICADOR SUMADOR GENERALI!ADO C@ KGS @ H@ O, H 7, L @ H@ , H 8, @ H@ M G IG H@ R @G. G HGM @ G, I L I, H @K@M @. $ H 10 @HG H HS GQ. $ R H H G I H 180U S G, @G G G I @@ H G. & @ O @G@OG G HG H @ @ GH G@G.
RESTADOR CON ALTA IMPEDANCIA DE ENTRADA
F'&-" 11
E @LQ HG OG H H @ G @O I , @ H GKS HG HH HG R HM T G PG, G G @ @O H H@ @Q@. G@ H @G G H, G, @MO G G HG. E H 11 @ G HG HGM (]H^) G G @ G L HL GO G HG HGG. $ @ A1 L A2 GO HS L GS H G L, @ @, GM G H @ I G I R . G , @ A3, H 11, GGHL H G L, *1 = *3 GS H @:
'G HG @G H 12 H G @ I G I @ . %G@ H HG GGHL H HGG. C@ @ A1 I @ (HS ".3) HG:
F'&-" 12
lecci#n 5
E G@S GS HG, HGM@ HG GI @ A2 @ G H 13. D HS H@G K = L L @ G GI G@ GS (GS @ A1 H 12) G@:
F'&-" 8 D H HS H@G, "1 = "2 (H 13) G@:
"H H:
G *1 + *2
P@:
@G@OG@G, GQ@:
F@G:
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C@ @ I HS (8), GS G G G @HG G@ H I-
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D4*+ ' ''' *+ 9+8 +8 7@9'+9+ 9'7'. AMPLIFICADORES DE CIRCUITOS PUENTE $ @ HG HG HGM @ R HG, @G H M HG H @G GHG, G G@GH, S, HM, G.
F'&-" 14
EKG @ O H@G, H @ GS HG HG L H @ G HG HG, G G TG@ @ IG @O @ @@G H @ @ G, H 14. * @ H G @ GT H GHG G@ GS A L B HG; GG, @ G, , H GS G GHG HG. EG H IG G G HG H GS H HS IS G , H 14 @ *. C G, OG GGHL H @ , @ H [* (IS G ) @H @L H *, G PG H O HGM KS GHS. $ H 15 @HG G G H HG @ @G HG, S H G HG ]^ L G I (H 14) L Q G I (G ]+^). M @ HG, I@ R @ @O @ @ H 16. EG HG HG , G * GO H G H * = *2 H G HG A L B H (HG H). G , IS G , G [*2, H K @ H G H G *2 H GO G@ H GMO G HG; MS, G GG (* + [*) , (*2 + [*2) O K @ *2 + . *2, @, @ (1 + a) * H G G *2 ( *) H IO G GG . E @ (HG H) GO a = 0 L G (1 + a) . *2, IHI H *2 (L H G H a @H @ H H). D HG, H 16, @ , G:
, "4 = "5 + "6, G:
F'&-" 15
F'&-" 16
lecci#n 5
C4MO CONvERTIRSE EN T1CNICO SUPERIOR EN ELECTR4NICA
@ G @GS *1 H *3 L @H @L H G *2 M HG (*1 = *3 *2), H GG H I GS GH HR I G, HS H: 2 + a *2 2+a = L . \\\ + \ = \\\ . L 1+a *3 1+a L @ *2/*3 K@ ]0^: L = (1 + a) / (2 + a) EG HS @GO H GS @ H G@P I K. @P S HG H 16 G@: "2 = ( - K) / *2 "1 = (K - ) / *1 = (K - ) / *3 L H G@G @ *1 = *3 "3 = K / *2 $H, @ "2 = "1 + "3, G: - K K - K \\\ = \\\\ + \\\ *2 *1 *2 K K \\ - \\ = \\ - \\ + \\\ *2 *2 *1 *1
K b *2
2K K \\\ = \\\ + \\\\ - \\\\ *1 *2 *1 *2 F@G:
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F'&-" 14
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500 Fll y solucione en audio D!K-8744N
DA-3520
50-45-01-67-12-55-7C-FF
50-45-01-48-12-00-00-00-00-00-00-00-00-00-FF-00
D!S-8521N/D!E-8421N
D!$-9511N
50-45-01-47-02-55-74-FF
50-45-01-43-02-55-74-FF
LH-D6230
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50-45-01-6B-16-00-38-22
50-45-01-47-02-55-76-FF
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LH-"5100
50-45-01-47-16-05-70-00 00-00-C0-2C-30-10-05-00
50-45-01-6F-16-00-7C-B2 D!F-9900N
!-781
50-45-01-47-02-55-F4-FF
50-45-01-47-16-05-70-00 00-00-C0-C0-30-10-05-00
D!K-9913N
50-45-01-47-02-55-F6-FF !-641M
50-45-01-47-16-05-70-00 00-00-C0-C0-30-10-05-00
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50-45-01-47-02-05-F4-00 00-00-00-41-00-01-03-BB
DT-677M
50-45-01-67-16-05-7C-A2 00-00-00-00-00-00-00-00
NE-9313N
D!K-8721#
NE-9513
50-45-01-47-02-55-F4-FF 00-00-00-00-00-00-00-00
50-45-01-47-02-55-F6-FF
50-45-01-47-02-55-F6-FF
LH-T252SC D!K-8744A
50-45-01-67-86-05-F8-31
50-45-01-67-02-55-FC-FF LH-T552SB !-881M
50-45-01-67-86-05-FC-31
50-45-01-47-12-05-F4-00 00-00-C0-41-00-01-02-E5
LM-D7550A
50-45-01-46-82-05-F4-02 LH-D6245A
50-45-01-6F-16-00-7C-32
L#-D3350A
50-45-01-47-16-00-F4-12 LH-T6540
50-45-01-6F-16-00-7C-B2
D!P-9631N
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50-45-01-6F-16-00-00-B2
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Manuales Técnicos DK162
HT502SH-A2
50-45-01-47-02-55-F6-FF
50-45-71-67-02-05-FC-31 4F-00-00-00-00-00-00-00
DK174G
50-45-01-47-02-55-F6-FF
DP273B
50-45-01-43-06-66-F0-00 DK191H
50-45-01-47-02-55-F6-FF 00-00-00-00-00-00-00-00
FB162
50-45-71-47-02-05-F4-15 00-00-00-00-00-00-00-00
DP173G
50-41-04-4B-06-55-F0-40
MDD262-A5
LH-T3602SE
50-45-71-46-02-05-F5-15 4-00-00-00-00-00-00-00
50-45-71-67-02-05-F8-31 0C-00-00-00-00-00-00-00
MDS712-A5
LH-T7636SB
50-45-71-66-02-05-F-34 4-00-00-00-00-00-00-00
50-45-71-67-02-05-F8-31 0C-00-00-00-00-00-00-00
MD!902-A5
LM-K3960A
50-45-71-46-02-05-F5-05 4-00-00-00-00-00-00-00
50-45-71-47-02-05-F4-15 0D-00-00-00-00-00-00-00
MBD62-A5
LM-7960A
50-45-71-47-02-05-F4-15 4-00-00-00-00-00-00-00
50-45-71-67-02-05-FC-34 0F-00-00-00-00-00-00-00 D!246
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50-45-01-47-02-55-F4-FF D!298H
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50-45-71-67-02-05-F4-31 00-00-00-00-00-00-00-00 HT302SD-A2
50-45-71-67-02-05-FC-31 4D-00-00-00-00-00-00-00
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T écnico R epaRadoR En los artículos anteriores de esta serie vimos cmo !recuperar" un microcontrola- dor colocando !muletas" para señales de tipo permanente y las de corriente alterna de hasta 100kHz. En este artículo vamos a tratar la forma de restaurar el componente cuando hay problemas con señales de onda cuadrada de alta frecuencia de hasta 50MHz.
Por: I ng. ALBErTo HorACIo PICErno PICErnoA @ Ar.InTEr.nET www .PICErno.Com. Ar
- www .PICErnoALBErTo.Com
RecupeRación de MicRocontRoladoRes dañados
Muletas paRa señales alteRnas de alta FRecuencia intRoducción L' +'+ + *+ +' + > *' *+ *'+ *+ LCD > '' ' <++ +' ' ++' *+ *+ *+ 50MH. E ++ ' ' ''*' + ' ++' '+ + ++<' ''*+ +' '' '='*'++ 100H 200H. L+ + +*+ ' Figura 1 ''*+ ' ' > '* '+ *+ '' ''+B' ++ + MP"H10 + +*+ '+ '' 600MH <+++. D+ + ' ' + ' +' ' 100MH > '' ++ *+ *'. "+B' *+' '+ ++' *+ '' ++' + +' + + @ '+ PNP *+ '' ++' + *++ ' +<+++ > ' NPN.
ciRcuito de u na Muleta de alta FRecuencia E ' ' 1 + +*+ +<' ''* <+ '* * ''*+ MP"H10 + ''*'. C +' +' *++ ' + CA ++' *+ 1MH ' 50MH + ''+ ' + ++ ' '' *''*' +*+ +''+
Técnico Reparador + ' ''<' '' +- Figura 2 ' + '+ *+ . O+<+ + ' + ' 1 MP"H10 +'* ''* + + + *+ + + *+<'* ' '' + '' C2 *+ 10F. D+ ++ * ' ''' *+ ' C1 + ++ '' + + '+ *+ + ' ' '' ' > ' +' + ' '' *+ '*' *+ . E + + *+ 1 >' ++ ' +' ++'*' +' '* + ' ' +' <+*' ++ ' ' +' *+ +'*'. P +' ' + '+' ' +'' ' *+ '*' + <+<+ ' +'' ' <+ *+'* ' +' *+ '*' + '+ ' +'*'. A*+@ '<+' '' +* ' ++' *+ + !5 ' <' ' + ' +' ' *+ '*' ''' + 100 % '='*'++. L' +*'' *+ '*' *+ + ++++ '' '' ''' *+'++ ' ' +'' ++ ++ '' *+ ''+.
contRol del c iRcuito antes de conectaR el e quipo $*. *++ '' + *'* +=+ + ' *+* ' ' '' ++' *+ '' > '+ *+ +' *++ ' ' ++ ' + *' + *+ ' ' 2. P+++ + *++B' ' ' *' + CA '* ++'* *+ '* ++', + '+ + + + '+ + '+, *++ + + '> ++ *+ ''* > ' ++ ' +' + *< '@ +'++ + '+'.
FuncionaMiento en c oRRiente alteRna E + '+' + *' ' '*' *+ + ' *+ '
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Figura 3
Recuperación e Microcontrolaores dañaos Figura 4
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la salida con c aRga
Figura 5
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detalles de las s iMulaciones #''' ' ++' '' ' + + ++'* *+ + + *+*'++ +*+ '' ' '. E ++ ' +' *'*' "E# !I"E/FALL #IME . E *' + + *+ ++ > *+++ *+ ' +' + ++ + + '*+'* ' ' ++' *+ ''. A '+' +' +' + ++' ' ''' *+ ' ' 8 + '' +* + 50MH *++ +*++
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conclusiones C + '++B' + >' + +*+ '+ ' '*' +'* + ++ ' '' *''*'; + + '+' + +' ' +' 'B + **+ '> +'* *+ ' + +'*'* '> +'* *+*'* ' ++ G' > +'*+ ++ '' *+ '*' *+ ' '+ +< '* '' ''. #' ++ '' *+ +'*' *+ + > +'*' ++'+ + +*+ '' ' '' ''' *+ . P ++ ' +'*' '' + ' *+ . + '' ' ': ' + +'*. E ++' +''*+ ' ' ' *+ ' > ' *+: ' *+ ? & + * + ; +
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Montaje Presentamos dos proyectos útiles para ser empleados en sistemas de alarmas o en cualquier otra aplicación de seguridad. Estos circuitos pueden ser empleados junto con la central publicada en esta misma edición. Selección de Federico Prado
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En la p!gina 5 explicamos c#mo puede realiar el sis- tema de control de un ascensor con un microcontro- lador. Vamos a explicar el proyecto original del ascen- sor de 8 plantas (se puede hacer del n$mero de plan- tas que uno quiera, no tiene limite), realiado "ntegra- mente con puertas l#gicas. Y que sirvi# como %punto de partida& para la elaboraci#n del sistema microcon- trolado expuesto anteriormente.
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