n : Mch khuych i cng sut

GVHD : Nguyn Th Ngc Anh

Mc Lc Tiu Trang ..4 Li Cm n ..5 Li M u A . Gii Thiu Linh Kin ..6 1. IC TL082 ..7 2. Transistor TIP41 ..11 3. Transistor TIP42 ..13 B . S Nguyn L V Nguyn L Hot ng 1. S Tng Quan .15 2. S Khi Tng Quan 16 3. Cu trc v nguyn l hot ng khi lc nhiu & m 174. 5.

Cu trc v nguyn l hot ng Khi khch i o

18

Cu trc v nguyn l hot ng Khi khch i Cng Sut 19

.23 C. Tnh Ton Chi Tit Cc Thng S D. Hnh nh PCB Hon Thin .26 E. Tng Kt 1. nh gi v Hng pht trin ....27 2. Kin thc thu c v Ti liu tham kho 28

SV : Nguyn Thnh Phc MS : 09C1010032

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n : Mch khuych i cng sut

GVHD : Nguyn Th Ngc Anh

Nhn xt ca gio vin hng dn Tp H Ch Minh ngythng...nm 2011

.Th.s Nguyn Th Ngc Anh

SV : Nguyn Thnh Phc MS : 09C1010032

Trang 2

n : Mch khuych i cng sut

GVHD : Nguyn Th Ngc Anh

Nhn xt ca gio vin phn bin ........... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... ....................................................................................................................... .......................................................................................................................TP. H Ch Minh ngythngnm 2011

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SV : Nguyn Thnh Phc MS : 09C1010032

Trang 3

n : Mch khuych i cng sut

GVHD : Nguyn Th Ngc Anh

Li Cm nLi u tin em xin chn thnh cm n c Nguyn Th Ngc Anh , ngi trc tip hng dn em hon thnh n ny. Nu khng c su ch dn , nhng ti liu ,nhng li ng vin khch l ca C th n ny kh long hon thin c Em cng xin chn thnh cm n cc thy c trong khoa C in in T tn tnh ch bo v gip cho em trong sut thi gian em hc ti trng v trong qu trnh em thc hin n Con xin chn thnh cm n ba me v c em gi na , lun ng h , to iu kin tt nht con c th va hc va lm. c bit trong thi gian thc hin n mi ngi lun ng vin con trong lc con nn ch . cm n Gia nh nhiu lm V cui xin cm n tt c bn b ti , nhng ngi lun st cnh cng ti, tp th lp 09LDDT1L nu khng c cc bn h tr chc chn ti khng th no hon thnh tt n ny. TP . H Ch Minh ngy 18 thng 9 nm 2011

Nguyn Thnh Phc

SV : Nguyn Thnh Phc MS : 09C1010032

Trang 4

n : Mch khuych i cng sut

GVHD : Nguyn Th Ngc Anh

Li M uChng ta ang sng trong mt k nguyn bng n v khoa hc k thut , mang li cho con ngi nhng sn phm cng ngh cao phc v mi nhu cu cuc sng. S bng n to nn mt kho tang kin thc khng l ca nhn loi , m kht vng vn ln tm cao ca tri thc lun l kht vng ca mi c nhn. Mi kin thc , mi lnh vc lun gip ta bit r hn v mt hoc nhiu vn . Hm nay vi s mong mun ca c nhn em, em mun tm hiu v mt lnh m trc y em cn m h. Em mun hiu r thay v ch hiu s s , em mun thnh thnh tho thay v ch m h ,ca dao Vit Nam ta c cu trm hay khng bng tay quen v vi mong mun em quyt nh thc hin ti thit k mch Khuych i Cng Sut. C l vi nhiu ngi y l mt vn c nhng vi em y l mt vn hon ton mi . Em tin rng vi nhng kin thc c c sau khi lm ti ny s gip em vng bc hn trn con ng ngh nghip tng lai Mc tiu cn t c ca ti -Thit k mt mch khuych i cng sut -Thi cng Board -To ra sn phm cui cng cho cht lng m thanh tt Cc bc tin hnh -Tm v hiu cc ti liu lin quan -Tnh ton thit k -Mua sm cc linh kin v dng c phc v vic thi cng board -Hiu chnh

SV : Nguyn Thnh Phc MS : 09C1010032

Trang 5

n : Mch khuych i cng sut

GVHD : Nguyn Th Ngc Anh

A. Gii Thiu Linh Kin1. stt 1 2 3 4 5 6 7 8 9

Tng qut:Tn Linh Kin Ic TL082CN R: 1M R: 1k C : 0.22uf Transistor tip41c Transistor tip42c Con 2 1n914 Bin tr n 10k Chc Nng Opamp Tr khng Tr khng T khng phn cc Transistor npn Transistor pnp Ni dy diode Thay i tr khng S Lng 2 2 2 4 2 2 4 2 2

SV : Nguyn Thnh Phc MS : 09C1010032

Trang 6

n : Mch khuych i cng sut I.2.

GVHD : Nguyn Th Ngc Anh

IC TL 082. -Hnh nh :

-c tnh chung : - in p ct trong -Dng vo nh thin thp -in p vo thp -Dng nhiu thp -Di thng khuch i rng -Tc chuyn mch cao - Dng vo cung cp thp - Tr vo cao - Mo a hi tng thp - Gc n thp (1/f) - Thi gian p ng gii quyt - Ngun cung cp - Nhit hot ng - Nhit ln nht(ton bng) 15mV. 50pA. 16nV/Hz. 0.01pA/Hz. 4MHz. 16V/ S. 3.6mA. 1012. 0.02%. 50 Hz. 0.1 S. 18 30 V. 0oC 70oC. 150oC.

- Dng cung cp (khi khng c tn hiu): 2.5mASV : Nguyn Thnh Phc MS : 09C1010032 Trang 7

n : Mch khuych i cng sut

GVHD : Nguyn Th Ngc Anh

- c tnh hot ng ch AC.+Tng khuch i ghp ni (TA=25OC,1 Hz20 Hz(u vo)) :-120 dB. + Tc xoay chuyn mch(VS=15V,TA=15oC) + Tng bng thng sn phm trong di(VS=15V,TA=15oC) : 16V/uS. : 4MHz.

+ in p n u vo tng ng (TA=25oC,RS=100,f=1MHz) : 25 nV/Hz. + Dng n u vo tng ng (TA=25oC,f=1MHz). : 0.01 pA/Hz.

+ Tng mo a hi (Av=+10,RL=10K,VO=20VP-P),BW =20Hz 20 KHz):