FILTRES Flashcards

1
Q

Inductance

A

Laisse passer les basses fréquences

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2
Q

Condensateur

A

Laisse passer les hautes fréquences

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3
Q

Comment trouver la fonction, ordre 1

A

A = Uout / Uin

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4
Q

Fc Passe bas ordre 1

A

Fc = R / 2piL

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5
Q

Fc passe haut ordre 1

A

Fc = 1/2piRC

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6
Q

Passe bas, ordre 2, numérateur

A

1

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7
Q

Passe haut, ordre 2, numérateur

A

(jw/w0)^2

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8
Q

Passe bande, ordre 2, numérateur

A

(1/Q)(jw/w0)

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9
Q

Coupe bande, ordre 2, numérateur

A

1 + (jw/w0)^2

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10
Q

Q et m

A

Q : Facteur de qualité
m : Facteur d’amortissement
Q = 1/2m

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11
Q

w0

A

Pulsation propre / de résonance

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12
Q

Technique de recherche de fonction de transfert ordre 2

A
  • Chercher Zeq
  • Pont diviseur de tension
  • Simplification
  • Identification
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