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Riccardo Giuntoli 2022-02-06 11:10:00 +01:00
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commit 502d122010
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%!PS-Adobe-3.0 EPSF-3.0
%%Title: XC37676.0Fc2WZ
%%Creator: XCircuit v3.9 rev73
%%CreationDate: Sun Feb 6 11:03:05 2022
%%Pages: 1
%%BoundingBox: 68 68 358 292
%%DocumentNeededResources: font Times-Roman
%%EndComments
%%BeginProlog
%
% PostScript prolog for output from xcircuit
% Version: 3.9
%
% Electrical circuit (and otherwise general) drawing program
%
% Written by Tim Edwards 8/5/93--4/12/16 (tim@opencircuitdesign.com)
% The Johns Hopkins University (1993-2004)
% MultiGiG, Inc. (2004-2012)
% Open Circuit Design (2012-2016)
%
%%BeginResource: procset XCIRCproc 3.9 1
%
% supporting definitions --- these are the primary xcircuit types.
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/addtoy1 {1 exch addtoy pop} def
/addtoy3 {3 exch addtoy pop} def
/addtoy4 {4 exch addtoy pop} def
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/addtox1 {1 exch addtox pop} def
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/addtox4 {4 exch addtox pop} def
/polygon { gsave /num exch def moveto num 1 sub {lineto} repeat setstyles } def
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/elb { matrix currentmatrix 7 -1 roll 7 -1 roll translate 5 1 roll 4 -1 roll
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/ele { 0 4 1 roll 0 4 1 roll } bind def
/ellipse { gsave elb newpath ele arc setmatrix setstyles } def
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/beginpath { gsave moveto } bind def
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/psinsertion {/PSobj save def /showpage {} def /setpagedevice {pop} def bop
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/end_insert {PSobj restore} def
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/inchscale {setpagemat 0.375 mul dup scale} def
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%%EndResource
%%EndProlog
% XCircuit output starts here.
%%BeginSetup
/terminals::dot {
% trivial
begingate
248 1.000 0 0 6 0.000 360.000 xcarc
1.000 0.000 0.000 scb
(x) {/Times-Roman cf} 2 29 -0.000 1.000 0 0 pinlabel
endgate
} def
/euro::R {
begingate
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1 1.000 0 -40 0 -80 2 polygon
endgate
} def
/euro::C {
begingate
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241 1.000 -24 -8 24 -8 2 polygon
1 1.000 0 -8 0 -40 2 polygon
1 1.000 0 8 0 40 2 polygon
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241 1.000 -24 8 -24 16 24 16 24 8 4 polygon
endgate
} def
/sources::gnd {
begingate
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1 1.500 -18 -46 18 -46 2 polygon
1 1.500 -4 -60 4 -60 2 polygon
endgate
} def
/transistors::transistor {
% hidden
begingate
1 2.000 -32 24 -32 -24 2 polygon
1 1.000 0 32 -32 18 2 polygon
1 1.000 0 32 0 64 2 polygon
1 1.000 -32 0 -96 0 2 polygon
1 1.000 0 -32 -32 -18 2 polygon
1 1.000 0 -32 0 -64 2 polygon
endgate
} def
/terminals::arrowhead {
% trivial
begingate
8 -28 beginpath
3 -18 3 -15 0 0 curveto
-3 -15 -3 -18 -8 -28 curveto
-2 -26 2 -26 8 -28 curveto
249
1.000 endpath
endgate
} def
/transistors::circleTr {
% hidden
begingate
1 1.000 0 0 44 0.000 360.000 xcarc
endgate
} def
/transistors::npn2 {
begingate
1.000 -0.000 0 0 transistors::transistor
0.650 /sv 115.000 0 -32 terminals::arrowhead
1.000 -0.000 -18 0 transistors::circleTr
1.000 0.000 0.000 scb
(C) {/Times-Roman cf} 2 9 -0.000 1.000 0 64 pinlabel
(B) {/Times-Roman cf} 2 7 -0.000 1.000 -96 0 pinlabel
(E) {/Times-Roman cf} 2 13 -0.000 1.000 0 -64 pinlabel
0.180 0.545 0.341 scb
(spice:Q%i %pC %pB %pE npn) {/Times-Roman cf} 2 4 -0.000 1.000 -244 -139
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(sim:b %pB %pE %pC) {/Times-Roman cf} 2 4 -0.000 1.000 -244 -187 infolabel
endgate
} def
%%EndSetup
%%Page: 1 1
%%PageOrientation: Portrait
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1.000 0.000 -576 336 euro::R
1.000 0.000 -576 256 terminals::dot
1.000 0.000 -352 256 terminals::dot
1.000 90.000 -928 224 euro::C
1 1.000 -992 0 32 0.000 360.000 xcarc
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1.000 0.000 -768 80 euro::R
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1 1.000 -992 32 -992 224 -960 224 3 polygon
1 1.000 -768 16 -768 -48 2 polygon
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1.000 0.000 -576 224 transistors::npn2
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(Ce) {/Times-Roman cf} 2 16 0.000 0.800 -384 112 label
(Re) {/Times-Roman cf} 2 16 0.000 0.800 -640 96 label
(R2) {/Times-Roman cf} 2 16 0.000 0.800 -832 64 label
pgsave restore showpage
% amplificador_emisorcomun_basecomun is_filename
%%Trailer
XCIRCsave restore
%%EOF

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XCircuit Version 3.9
File "amplificador_emisorcomun" Page 1
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@ -151,7 +151,18 @@ Así como los bipolares se dividen en NPN y PNP los de efecto de campo o FET son
#### 3.5.2 Circuitos amplificadores con transistores bipolares.
![](https://github.com/redeltaglio/RNMnetwork/raw/master/Images/Curvas_caracteristicas.png)
Para diseñar un circuito en que intervengan uno o más transistores es preciso consultar las [familias de curvas](https://es.wikipedia.org/wiki/Familia_de_curvas) características. En ellas la intensidad de corriente que circula por le colector `A` en función de la tensión existente entre colector y emisor `v` con una cierta intensidad de base constante `lb`. En el eje vertical en donde las corriente aumentan rápidamente se le da el nombre de zona de saturación. Donde en el eje horizontal no aparece ningún corriente en proximidad de lo cero se le da el nombre de zona de corte. Todo los demás toma el nombre de zona de funcionamiento activo.
Un circuito amplificador que funciona utilizando una serie de transistores puede ser configurado en base a tres montajes típicos: emisor común, base común o colector común conocido también como seguidor de emisor.
Los principales parámetros del transistores a considerar en estos tres circuitos son:
- corriente de cortocircuito.
- relación de transferencia.
- frecuencia de corte.
- impedancias de entrada y salida.
## Bibliografía