{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

# Part6 - Chng 7 NG DUNG KHUECH AI THUAT TOAN VAO VIEC THIET...

This preview shows pages 1–4. Sign up to view the full content.

44 Chöông 7 : ÖÙNG DUÏNG KHUEÁCH ÑAÏI THUAÄT TOAÙN VAØO VIEÄC THIEÁT KEÁ CAÙC BOÄ LOÏC TAÀN SOÁ THAÁP I. Haøm truyeàn : H(s) = ) ( ) )( ( ) ( ) )( ( ) ( ) ( 2 1 2 1 0 n m p s p s p s z s z s z s H s D s N - - - - - - = Trong ñoù : + H 0 = n m b a : heä soá tyû leä + N(s) = 0 töông öùng vôùi caùc ñieåm 0 z 1 , z 2 , …, z m + D(s) = 0 töông öùng vôùi caùc ñieåm cöïc p 1 , p 2 , …, p n Caùc nghieäm naøy ñöôïc goïi laø caùc taàn soá tôùi haïn. II. Maïch loïc tích cöïc baäc nhaát : onesans Maïch loïc thoâng thaáp coù ñoä lôïi : Ñaây laø boä khueách ñaïi ñaûo neân ta coù : H(s) = - 1 2 R Z (1) ω 0 H 0 ω H(s) (dB) 0 v i v o R 1 R 2 C

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
45 Z 2 = C sR R sC R sC R 2 2 2 2 1 1 1 . + = + (2) Thay (2) vaøo (1) : H(s) = - 0 0 2 1 2 1 1 1 1 . ω ω j H C sR R R + = + (3) Trong ñoù : H 0 = - 1 2 R R (4) vaø ω 0 = C R 2 1 (5) twosans Maïch loïc thoâng cao coù ñoä lôïi : Ñaây laø boä khueách ñaïi ñaûo neân ta coù : H(s) = - 1 2 Z R (1) Z 1 = R 1 + sC 1 sC Cs R 1 1 + = (2) Thay (2) vaøo (1) : ω 0 H 0 ω H(s) (dB) 0 v i R 2 R 1 C v o
46 H(s) = - 0 0 0 1 1 1 2 1 1 . ω ω ω ω j j H C sR C sR R R + = + (3) Trong ñoù : H 0 = - 1 2 R R (4) vaø ω 0 = C R 1 1 (5) threesans Maïch loïc thoâng daûi baêng roäng : Ñaây laø maïch khueách ñaïi ñaûo neân : H(s) = - 1 2 Z Z (1) Z 1 = R 1 + 1 1 sC = 1 1 1 1 sC s C R + (2) Z 2 = 2 2 2 2 2 2 2 1 1 1 .

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 12

Part6 - Chng 7 NG DUNG KHUECH AI THUAT TOAN VAO VIEC THIET...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online