physiquelisa5.py

Created on January 18, 2024

481 Bytes

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etude du filtre passe bas RC :1
TBF : w=0 => Zc=infini
condensateur devient interrupteur ouvert
pas de courant circulant 
e=s
THF : w=infini => Zc =0
le condensateur devient un interrupteur ferme 
s=0

Gdb = -10log(1+x**2)

TBF : Gdb = 0
x->0 et w->0

THF : w -> infini
GdB = -20log(x)

x=1 => elles se coupent en f0
on l appelle le gain à la coupure 


a la coupure :
  G=Gmax/racine 2
  
module de H barre = G ...
Gmax = H0
fc = f0

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