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Prof. Freddy Mudry

Au t o m a t i s a t i o n

in s t i t u t d ' in d u s t r i e l l e

Des composants

vers les systèmes

Electronique

Unité EAN

analogique

Haute Ecole d'Ingénierie et de Gestion

du Canton de Vaud

Département Technologies Industrielles

U gULI L RLRgI g U LI LRL UL R L P L R L I L U LU L R L P L R L I L U L? kIg,k I ccUco Rthv U thv RnrtI nrt

Deux mesures

Uco et Icc

suffisent pour caractériser le circuit car:

Uthv = Uco

R thv = Uco / Icc I nrt = Icc R U

L=UgRLR

g+RL; IL=UgR g+RL????? P

L=ULIL= (Ug)2RL(Rg+RL)2?????

R

L=Rg?????

P

L;max=(Ug)24Rg=UcoIcc4

=UthvInrt4 U 2R 1R2 R 2R 1 I I1I2U Ug,kR kIg,kU = S ak Ug,k + S gk Ig,k [ak] = [V/V], [gk] = [V/A]?????? ??????? ????Udc I dc UgR g U inI inULI LRL Iout U outAmplificateur A uUoutU in; AiIoutI in; ApPoutP in????? A pPoutP in=UoutIoutU inIin=AuAi????? A u;dB20 log(jAuj)Ai;dB20 log(jAij)????? A p;dB10 log(Ap) = 10 log(AuAi) =12 (Au;dB+Ai;dB)????? U out=Uos+AuUin????? A uoUoutUin I out=0; A ioIoutIin U out=0?????? R inUinIin; RoutUoutIout

Uin=0??????Rout

A uo Uin R A uUoutUin

RL=; A

urUinUout U g=0;Rg=?????? R inUinIin

RL=; R

outUoutIout U g=0;Rg=?????? R in=UinI in=R1?????? R out=UoutIout

Uin=0=R2??????

A uoUoutU in I out=0= IinR2I inR1= R2R

1??????R1R2R

g R

LUgUinUoutI

inIout b I U in=UgRgIg?????? U in=R1Iin+R3(IinIout)?????? U out=R2(Iin+Iout) +R3(IinIout)?????? U out=RLIout?????? R in=UinI in=R1+R3RL+R2+R2R

2+R3+RL??????

R out=UoutIout=R2+R3

1 + R2R3R

g+R1+R3 A u=UoutU in=RLR

2+R3(1 +) +RL????= R2R3R

1+R3??????

R 3R g R

LUgUinUoutI

inIout b I A ur=UinU out U g=0=RgR3( R2R3)R3+ (R2+R3)(Rg+R1+R2)?????? A uo=???? ?? ??????? ? ?????? ???????UoutU in I out=0Rout A uo Uin UoutI outRLUgRin Rg U inI inA uUoutU in=1U in A uoUinRLR

L+Rout

=AuoRLR

L+Rout

A iIoutI in=Uout=RLU in=Rin=AuRinR L U

L=UinAu=UgRinR

in+RgR LR

L+RoutAuo

A io=???? ?? ??????? ? ?????? ??????IoutI in U out=0

Aio Iin

UoutI outRLI gRinRgUinI inRoutA iIoutI in=1I in A ioIinRoutR

L+Rout

=AioRoutR

L+Rout

A uUoutU in=IoutRLI inRin=(AiIin)RLI inRin=AioRoutR inR LR

L+Rout

I

L=IinAi=IgRgR

in+RgR outR

L+RoutAio

G in U out=0Gmo Uin UoutI outRLUgRin Rg U inI in RoutG mIoutU in=1U in G moUinRoutR

L+Rout

=GmoRoutR

L+Rout

A uUoutU in=IoutRLU in=(GmUin)RLU in=GmoRoutRLR

L+Rout

I

L=UinGm=UgRinR

in+RgR outR

L+RoutGmo

R in I out=0 Rout R mo Iin UoutI outRLRinRgUinI in IgR mUoutI in=1I in R moIinRLR

L+Rout

=RmoRLR

L+Rout

A uUoutU in=1U in(RmIin) =RmUin=RinU in=RmoR inR LR

L+Rout

U

L=IinRm=IgRgR

in+RgR LR

L+RoutRmo

uoA uoRinR out?????? ?? ???????A ioRoutR inA moRoutG mo1R inR mo1R ?????? ?????1 [V/V]10 W

100 W100 [V/V]1 kW

10 kW10 [V/V]1 kW

100 kW10 [mV]10 kW

100 kW

A u1= 10100101 = 9:9; Au2= 1001011 = 90:9; Au3= 1100110 = 0:909 A u=Au1Au2Au3= 818[V=V] U

L=UgRinR

in+RgAu= 10??100? 110?

818'7:4???

?? ???? ????? ??? ?? ???? ??????Au;gL???? A u;gLULU g=7:4[?]10[??]= 740[???] u

2(t) =Au(u1(t) +b(t)) =Auu1(t) +Aub(t)??????

u

2(t) =Adm(U+U)??????

u

2(t) =Adm((u11(t) +b(t))(u12(t) +b(t)))??????

=Adm(u11(t)u12(t))?????? u

2(t) =Au1U+Au2U??????

u

2(t) =Au1(u11(t) +b(t))Au2(u12(t) +b(t))

=Au1u11(t)Au2u12(t) + (Au1Au2)b(t) u

12(t)u

11(t)+b(t)

u

12(t)+b(t)u2(t)b(t)

u1(t)u1(t)+b(t) u

2(t)b(t)

A U A dmm (t) U2U11 U 12U dm U U dm=U11U12?????? U cm=U11+U122 U

11=Ucm+Udm2

; U12=UcmUdm2 U

2=Au1U+Au2U

U

2=Au1U11Au2U12+ (Au1Au2)B

U 2=Au1 U cm+Udm2 Au2 U cmUdm2 + (Au1Au2)B U

2=(Au1+Au2)2

Udm+ (Au1Au2) (Ucm+B)

U

2=AdmUdm+Acm(Ucm+B)??????

A dm=(AU1+AU2)2 ; Acm=AU1AU2?????? ???? ?? ??? ?????? ?? ?AU2=AU1? ?? ??? ????? A dm=(AU1+AU2)2 =AU1; Acm= 0??????

TRMC=A

dmA cm R in= 1? ; Rout= 10? g m1= 10??? ; g m2= 10:01??? A

U1+U2U11

U12=0= +gm1Rout= 100:0??

A

U2 U2U12

U11=0= +gm2Rout= 100:1??

A dm=(AU1+AU2)2 = 100:05?? U 11 U 12R in gm1U11gm2U12 R out A cm=AU1AU2=0:1?? A dmA cm '1000:1 = 1000 = 60?? U

11= 4:6?; U12= 4:5?

U dm= +0:1?; Ucm= 4:55? U

2=AdmUdm+AcmUcm

= 100:050:1 + (0:1)4:55 = 10:005 [?dm]0:455 [?cm]'9:55? U

1=z11I1+z12I2

U

2=z21I1+z22I2,U1

U 2 =z11z12 z 21z22
I1 I 2 1U2I 2 I

1=y11U1+y12U2

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