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[Help-gnucap] Problems with C charge ¿?


From: Jesús Genicio
Subject: [Help-gnucap] Problems with C charge ¿?
Date: Tue, 26 Aug 2008 00:19:33 +0200

hello:

This is the problem:

gnucap> list

.model  C c  ( cj=NA( 0.) cjsw=NA( 0.) narrow=NA( 0.) defw=NA( 1.u)
tc1=NA( 0.) tc2=NA( 0.) tnom=NA( NA))
*+()
.model  2N2219A  npn  (level=1  kf= 0.  af= 1.  bf=NA( 100.)  br=NA(
1.)  is=NA( NA)  nf=NA( 1.)  nr=NA( 1.)  c4=NA( 0.)  nc=NA( 2.)
c2=NA( 0.)  ne=NA( 1.5)  rb=NA( 0.)  re=NA( 0.)  rc=NA( 0.)  cjc=NA(
0.)  cje=NA( 0.)  cjs=NA( 0.)  mjc=NA( 0.33)  mje=NA( 0.33)  mjs=NA(
0.)  vjc=NA( 0.75)  vje=NA( 0.75)  vjs=NA( 0.75)  xcjc=NA( 1.)
itf=NA( 0.)  ptf=NA( 0.)  tf=NA( 0.)  tr=NA( 0.)  xtf=NA( 0.)  xtb=NA(
0.)  xti=NA( 3.)  eg=NA( 1.11))
*+()
.model  2N4004  d  (  tnom= 27.  is=NA( 10.f)  rs=NA( 0.)  n=NA( 1.)
tt=NA( 0.)  cjo=NA( NA)  pb=NA( NA)  mj=NA( 0.5)  egap=NA( 1.11)
xti=NA( 3.)  fc=NA( 0.5))
*+()
Vin ( 1 0 )  DC  5.
R1 ( 1 2 )  1.K
C1 ( 2 0 )  47.u
gnucap> print tran V(C1)

gnucap> tran 0 1 0.1

#Time       V(C1)
 0.         5.
 0.1        5.
 0.2        5.
 0.3        5.
 0.4        5.
 0.5        5.
 0.6        5.
 0.7        5.
 0.8        5.
 0.9        5.
 1.         5.

I don't see the capacitor charge ¿?

Sorry for my very bad english

Regards.




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