1-*Z3?()?,'()*%('*.(-'&,-'*3B.C*(.*3"B.CK*:('*2(3[*'&/-$3[*,-.1&%'*%$*+\+(*?3%'$.&,-*]
U3& ^,-
_3'.&F&()*N```````````````````````````````````````````
2-$L('*.(-'&,-'*3B.C*(.*3"B.C*',-.1(%%('*(-*?a$'(*]
U3& ^,-
3-*H$)&()*%$*E)#@3(-0(*2(*%$*.(-'&,-*3B.C*(-.)(*7888*IJ*(.*G888*IJK*:,++(-.*5$)&(*%(*2#0$%$/(*(-.)(*3B.C*(.*
3"B.C*]
b3/+(-.( c&+&-3(* ^(*5$)&(*?$'*
4-*L(*2#?a$'$/(*(-.)(*2(3[*'&/-$3[*('.*2,--#*?$)*%$*)(%$.&,-*dφ=ω.Δ.4*,e*Δ.*f*%(*2#0$%$/(*.(+?,)(%*(-.)(*
2(3[*'&/-$3[K*:,++(-.*5$)&(*%(*2#?a$'$/(*(-.)(*3B.C*(.*3"B.C**%,)'@3(*%$*E)#@3(-0(*23*'&/-$%*$3/+(-.(*]
b3/+(-.( c&+&-3(* ^(*5$)&(*?$'*
5-**:,++(-.*5$)&(*%Y$+?%&.32(*2(*%$*.(-'&,-*3"B.C*%,)'@3(*%$*E)#@3(-0(*23*'&/-$%*$3/+(-.(*]
b3/+(-.( c&+&-3(* ^(*5$)&(*?$'*
iii. Étude théorique du circuit CR
6-*O0)&)(*%$*%,&*2Y$22&.&5&.#*2('*.(-'&,-'*?,3)*%(*0&)03&.*:"*N*````````````````KK
7-*U-*2,--(*%('*)(%$.&,-'**0,3)$-.1.(-'&,-*?,3)*%('*2&?g%('*"*(.*:*N*3"6&K"*(.*
K*h.&%&'()*%$*%,&*
2Y$22&.&5&.#*2('*.(-'&,-'*(.*%('*E,)+3%('*E,3)-&('*$F&-*2Y,P.(-&)*3-(*)(%$.&,-*(-.)(*3B.C*(.*3"B.CK*^,.()*0(..(*
)(%$.&,-*2$-'*%Y(-0$2)#*0&12('',3'*N
8-*U-*5(3.*)#',32)(*0(..(*#@3$.&,-*?,3)*3-*.(-'&,-*2Y(-.)#(*
$5(0*E*6*7888*IJ*4*
M888*IJ4*i888*IJ4*j888*IJ4*G888*IJK*c$-'*%Y(-0$2)#*0&12('',3'*-,.()*%('*([?)(''&,-'*,P.(-3('*?,3)*3"B.C*X*
%Y$&2(*23*%,/&0&(%*kblLb>K*c$-'*kblLb>*BZ&+3%&-mC*)#$%&'()*%(*0&)03&.*0&12('',3'*B5,&)*b--([(*?,3)*%('*
2#.$&%'CK*L(*.(+?'*2(*'&+3%$.&,-*2,&.*?()+(..)(*2(*5&'3$%&'()*G*?#)&,2('*23*'&/-$%K
2
Circuit CR
u(t) uR(t)