# Part1 - BAI GIANG TOM TAT MON : IEN T 2 Ngi soan : TS.Pham...

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1 BAØI GIAÛNG TOÙM TAÉT MOÂN : ÑIEÄN TÖÛ 2 Ngöôøi soaïn : TS.Phaïm Hoàng Lieân Chöông 1 : ÑAÙP ÖÙNG TAÀN SOÁ THAÁP CUÛA MAÏCH KHUEÁCH ÑAÏI GHEÙP RC I. Ñaùp öùng taàn soá thaáp cuûa boä khueách ñaïi duøng tranistor : 1. Tuï ñieän bypass emitter : H.1_1 L i i o ->o ->oo E + Vbb C i Vcc Cc2 Cc1 r Rb R Re Rc i ' Rb ---- 1+hfe hib > ie < ic Rc ie Ce i R Re E E 1 2 E C R R ta seõ coù R b' = ) 1 ( 1 // * 1 E R hib hfe Rb ri + + + (coù r i ,coù R E1 ) i i '= ) 2 ( 1 // // * 1 E ib i b i b R h hfe r R r R + + + ( coù r i ,coù R E1 ) Ñaët R b' = hib hfe R b + + 1 (1) (khi khoâng coù r i ) R b' = hib hfe R r b i + + 1 // (1') (khi coù r i ) i i' = ) 2 ( 1 hib hfe R R b b + + (khi khoâng coù r i ) i i '= ) ' 2 ( 1 // // hib hfe r R r R i b i b + + ( khi coù r i } Ñaët bieät khi coù R e1 ,R e2 nhö hình veõ :

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2 Daïng haøm truyeàn toång quaùt : A i =A im ) 3 ( 2 1 ω + + s s A im =- ' b b R R =- ) 4 ( 1 hib hfe R R b b + + (khoâng coù r i ,khoâng coù R L ) A im =- ) ' 4 ( 1 // // // ' hib hfe r R r R R r R i b i b b i b + + - = (coù r i , khoâng coù R L ) A im =- ) " 4 ( 1 // // // 1 ' E i b i b b i b R hib hfe r R r R R r R + + + - = (coù r i , coù R E1
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## This note was uploaded on 09/08/2011 for the course ELCTRONIC 555 taught by Professor Kaimebenmahdi during the Spring '10 term at Abu Dhabi University.

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Part1 - BAI GIANG TOM TAT MON : IEN T 2 Ngi soan : TS.Pham...

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