9
MISURE ELETTRONICHE ESERCITAZIONI DI LABORATORIO Data File Copyright 2000 di Enrico Rubiola. Tutti i diritti riservati

MISURE ELETTRONICHEled.polito.it/material/misure/laboratorio4h/4freq.pdf · 2002-06-18 · nbf#qmpkl~}Tg dTrsp(qmixhTp(}~}tpÀn(lt qmp Tqup(jmp(g y f yup¬judT} hTltju T}~fÒ! vÓ

  • Upload
    others

  • View
    0

  • Download
    0

Embed Size (px)

Citation preview

Page 1: MISURE ELETTRONICHEled.polito.it/material/misure/laboratorio4h/4freq.pdf · 2002-06-18 · nbf#qmpkl~}Tg dTrsp(qmixhTp(}~}tpÀn(lt qmp Tqup(jmp(g y f yup¬judT} hTltju T}~fÒ! vÓ

MISURE ELETTRONICHEESERCITAZIONI DI LABORATORIO

Data File

Cop

yrig

ht 2

000

di E

nric

o R

ubio

la.

Tut

ti i d

iritti

ris

erva

ti

����������� ���������� ������

��������! ! ! �#"�$&%(' )�*#+

, -�.0/2103 45-768103�9:/�3<;>=@?

A BDCFEHGJI KMLNEPO�QFRSQTEVUWIXWY�X Z �\[]��_^`�\^a���b� ���<�]�P�������� ������cedWf!gFhTikjmlon(p(qmnbfkhTl!rsltjudTquf#qmpvn(i!gwdTgxn(i!goyzf�yui!qmp{dTgwjmp(|!gWf#}~p�f#gWf#}~i!|!ltnbi�n(i!g���qmp(��dTp(gT�bf��z�������#�nbf#�Tlty�f`f!�F�Wf!j�y�f#gT�bfahTlk��qmp(��dTp(goy�p�nz�Tp�}~i`j�y�qmdTrMpbgoyui�hTl&f\hTp(}~}tp@}tp(ymyudTqmp�|!qmiojmjmi!}&f#gWf#rsp(goy�pjm�Wf#|!}~l&f�yup�gTp(}�jup(gTjmi\nz�Tp�}&f�}tp�yuyudTquf��p�rsi!}tyui��Tlu�daf#}ty�f�hTp(}~}&f���qup(��dTp(gT�bf`n��Tp���l�f!jm��p�yuy�f�yuphTl�rMl~jmdTq�f#qmp#�k��g���dTp(j�yulSnbf#jml���i!jujmp(q��#f#gThTi�l~}�jmp(|!gWf#}~p0f#}~}_� i!jmn(l~}t}~i!jun(i!�Tlti0��l]f#n(nbi!qm|!p�y�pxhTl]dTgWfp���l~hTp(g�yupMhTl~jmn(qup(�Wf#gT�bf�hTpb}t}&f�}~p�ymyudTq�f�hTlv��qmp(��dTpbgF��fF�¡cJdTp(j�y�i��Tqmi!�T}~p(r�f¡�Wf�f�n��TpM��f#qmp¢nbi!g}~f<qmp(|!i!}&f#�(l~i!gTp�hTp(}�yuqml~|!|!p(q(�Vr�f<jul��!p(qmlt£Wnbf¤�#¥§¦�¨�©���dWf#gThTi`}&f�jmi!|o}tl&fa�p�quf!|!lti!gTp(�#io}trsp(goy�p}tiogoy�f#gWf�hWf#}P��f#}~i!qmp¡hTl��Tltn(nbiT�{�§i!jmltyult�!i�i<gTp(|of�yult�!iT��hTp(}�jup(|!gWf#}~p#�«ª¬juf!gThFi`lt}�jmp(|!gWf#}~p�­ ® ��i!qursf@h8�¯i!gThWf �{dTjmn(lty�f�­�°0hTp(}�|!p(gTp(quf�y�i!qmp¡hTl�jup(|!gWf#}~l ® n(l~qmn(dTltyui�j�y�f!rM�Wf�y�i�°±�SqultdTjun(l²y�p�frMp(ymyup(qupJl~g�p���l~hTp(gT�bfsl~}§�Tqmio�T}tp(r�f�pxf¢ju�Tltp(|of!qm}~i�³

´ �!p(g�yudWf#}~rMp(g�yupehWf�y�p¬dFg8� i�n(n��Tl&f�y�fxjmd¡dTg8�µf#}tyuqmix�Wf#gTn(iT��hTi#y�f�yui0hTl�dFg¡n(iogoy�f�y�i!qmp¬hTlt�!p(qmjmihWf#}��!i!j�yuquiT�

XWYt¶ · �T������� ������¸�� �����¹�º!¸��§»���»�¸����n(i!goyzf�yui!qul§dTgTlt�!p(qmjuf!}tl�jmi!gTi¼hTi#yzf�yul�hTl8g�dTrsp(qmi!jmpJ��dTgT�(ltiogFl��S½{qui��#f�yup(}~pejup(|!dTp(gThTiM}&fxyuq�f#n(n(l&fltgThTl~nbf�yzfF�

) �k½]p(qml~i�hTi ® jmp(|ogWf#}tp�­ °��¾ �k½]p(qml~i�hTiMrMp(hTl~i ® jmp(|!gWf#}~pJ­ °±�¿ �À��g�yup(q��#f#}~}ti¢hFl8y�p(rM�§iT�Fp(h@p��!pbgoyudWf#}~rsp(goyupwj���f#j�f#rMpbgoyui ® jmpb|!gWf#}tl8­ psÁ °±� �À��g�yup(q��#f#}~}ti¢hFl8y�p(rM�§i¼rsp(hTlti ® jmpb|!gWf#}tl8­ pMÁ °±�à �kÄJdTquf�y�fehTl�l~rs�TdF}~jmi ® jmp(|ogTf!}tp�Á � °±� ´ �!p(g�yudWf#}~rMp(g�yupÀrMl~jmdTquf#yup�dTg¼l~g�yup(q��#f#}~}tiÅhTlFy�p(rM�§in(iog�lNnbf#gWf#}~l�l~g��Wf#q�f#}t}~p(}~iT�

Æ �kǬf#�T�§i!q�yui¢hTl8��qmp(��dTp(gT�bp ® jmp(|!gWf#}~l8­�Èxp¢ÁvÈ!�Wi!�T�TdTqup�­ � psÁ � °

Page 2: MISURE ELETTRONICHEled.polito.it/material/misure/laboratorio4h/4freq.pdf · 2002-06-18 · nbf#qmpkl~}Tg dTrsp(qmixhTp(}~}tpÀn(lt qmp Tqup(jmp(g y f yup¬judT} hTltju T}~fÒ! vÓ

MISURE ELETTRONICHEESERCITAZIONI DI LABORATORIO

Data File

Cop

yrig

ht 2

000

di E

nric

o R

ubio

la.

Tut

ti i d

iritti

ris

erva

ti

����������� ���������� ������

��������! ! ! �#"�$&%(' ¾ *#+

XWYtÉ Ê ���b¸�¹�������¸�� ����¹�¹��^«��������ºo¸��Ë�_¹Pº!¸��§»��F»�¸����gÌrsi!}tyul�n(i!g�y�f�y�i!qml�f��!p�yupD}&f2qmp(|!i!}&f#�(l~i!gTpÍhTp(}�yup(rs�§i2hTl�Îo�#Ï�©���hWf#}~}&f���dWf#}~pÍhTl~�§p(gThTp}_� l~gTn(p(q�yupb�(�bf\hTl¬��dTf!goyul~�(�bf#�(l~i!gTp#�н{qmi���f#gThTi�f`qup(|!i!}&f#qmp�yzf#}~p�yup(rs��iT���Tqmi���f�y�p@f«|!ltdTjmyult£FÑnbf#qmpkl~}Tg�dTrsp(qmixhTp(}~}tpÀn(lt��qmp��Tqup(jmp(g�y�f�yup¬judT}�hTltju�T}~f�Ò!�vÓ�p(rs�Tqmpkn(i!g�}&fe}~p�ymyudTq�fJhTp(}~}&f�Ô±Õu©�Ö(×W©�¥�Ø��#�lt}§�!i!j�y�qmi�n(i!g�y�f�yui!qupe��dTgT�(l~i!gWf¼n(i!rspwrMl~jmdTquf�y�i!qmpehTl8��qup(��dTp(gT�bfsiMhFlN�§p(qml~i�hFi�³

Ù Ú«EPOJÛ±UWEPO�QFEHG�ÜMÛ±UWI�ݬÞeI OJßNR5LNEPOàK�á�EVCFL�Ü�K�KâEVCFLNEPã�ÜâEäPio}t}~p(|of�y�p�f!l�nbf#gWf#}~l!åkÈ�pVå � hTp(}~}��¯i!jun(lt}~}~i!jmn(i!�Tl~iÀhFdTp�jmp(|!gWf#}~lFf#}t}&fÀj�yup(jujufÅ��qup(��dTp(gT�bfJgTi!rsltgWf#}~pf�ymy�i!qmgTi�f Âoæ!æ�ç �#�vrsf@n(i!gadTgTi�junbf#q�yui�hTl���qup(��dTp(gT�bfF��è]f#}~l�jmp(|!gWf!}tlV�§i!jmjmiogTi�p(jujmp(qmp�­ �Á i!�T�TdFqupMév�8�Tqmi��!p(gTltp(g�yulvhWf�hTdTp¼hTl²�!p(qujmlv|!p(gTp(quf�y�i!qml ® n(ltqun(dTl²y�i¡j�y�f#rs�Wf�yui�°�ê§i�����l~f#rsp(g�yup#���i!l~nz�Pëp�f��!p�yupxdTg�jmio}tiM|!p(gTp(quf�y�i!qmp#��f��!p�yupx�Tltjui!|!gTi¢hTp(}~}&f�n(i!}~}&f#��i!q�f#�(ltiogFp¬hTp(l��!i!j�yuqul���l~n(ltgTl��

Ó�|of#gTn(l&f#gThTi�l~}]y�qml~|!|!p(qen(i!g<l~}Snbf#gWf#}tp�åÀÈ!��}&f�yuq�f#n(n(l&f ) j�yzf¡��p(qmr�f¡rsp(goyuqup¢}&f�yuquf!n(n(l~f ¾jmn(i!quqmp0jmdT}~}tisjmnz�Tp(qmrsiT�Åì�l~jmdTq�f�yupxn(i!g�}_� i!jmn(l~}t}~i!jun(i!�Tlti¢p0n(i!g@l~}N�!i!j�y�qmi�i!qmi!}~i!|!l~i¢hWfs��io}tjmis}&f�!p(}~i�n(lty�f�hTl jmn(i!qmqultrsp(goy�iT�Ti!�T�TdTqmpxhWf#}�yup(rs��isltrs�Tltpb|of�yui��§p(qÀnbi!rM�Tl~p(qmp�dTgWf¼y�quf#jm}&f#�(l~i!gTpJhTldTg�l~goy�p(qmi¢�§p(qml~i�hTiT��pwnbf#}~n(i!}&f�yupe}~i¼jmn�f#q�yuishTl8��qmp(��dTp(gT�bfMyuquf¢l8hTdTpwjmp(|ogTf!}tl��

ì@ltjudTquf�yupsi!quf@}~p¢j�y�p(jmjmp¡hTdTps��qmp(��dTp(gT�(p¡n(i!g`dTg«n(i!g�y�f�yui!qupMps�!p(qmlt£Wnbf�yupsjmp�i#yuyup(gTp�yup�}~ij�yupbjmjmis�#f#}ti!qup#�

Çkl~n(i!qmhWf#gThTi0nz�Tpej�y�f#yupÅ}&fb�!i!q�f#gThTi�ltg�n(i!}~}&f#��i!q�f#�(ltiogTp�n(i!g¡l~}�|!qudT�T��i�hTp(}�y�f��#io}ti�f#n(n�f#goyuip�nz�Tpwj�y�f�y�p�rsltjudTquf#gThTi¢}~i¼junbf#q�yuiMyuq�f¼|!}~l8j�yup(jujml�jmp(|ogTf!}tl���nbi!gF��qmi!g�y�f�yupwlNqml~jmdT}ty�f�yul��

¶8Y�X Ê ���b¸�¹�������¸�� ����¹�¹��\^a���b� ���äPpbqmnbf�yupehFl§qmp(gThTp(qm��l�n(i!goy�i�hTl�n(i!j�f0jml&fw}&fwqml~jmi!}~dT�(l~i!gTpÀhTp(}~}&fwrMl~jmdTqufwhTl�l~g�yup(q��#f#}~}tiwhTl�y�p(rM�§in(i!gí}&f���dWf!}tp�fb�!p�y�p@qml~nbf��#f�yui\}~i\jmnbf!q�yui«hTl���qup(��dTp(gT�bfF�ͽ{qmi!�Wf#�Tl~}trsp(g�yup<�p@}tl~rMlty�f�yzf�hTf!}t}&f�!i!j�y�quf�nbf#�Wf!n(l²y��f¡hTlvhTp(nblthTp(qup¢l~g���dWf#}~p¢l~j�y�f!goyup¢dFgWf�yuquf#n(nbl~f��Tf!jmjuf���p(q�dTg\�TdTgoyui@hTp(jml~hTp(qâÑf�yui�hTp(}~}ti�jmnz�Tp(qmrsi�i!�T�TdTqmp�nbi!ltgTn(l~hTp0n(i!g�}�� f#}tyuqufF�eîeymyupbg�dFy�fsy�f!}tp0qml~jmi!}~dT�(l~i!gTp#��nbf#}~n(i!}&f�yupx}&fqml~jmi!}~dT�(l~i!gTpen(i!g�n(dTl j�yul~rsf�y�pe}~i¼jmnbf#qmyuishTl8��qmp(��dTp(gT��fF�

¶8Yt¶ ï �_��»���b��� �P�����8������o��M|op(gTp(quf�yuioqmlÅhTlejmpb|!gWf#}tl ® n(l~qmn(dTltyuiaj�y�f#rs�Wf�yui�°sjui!gTiðhTp(lejml~goy�p�yul~�(�bf�yui!qul_�kp���dTl~gThTlÅyudFyuyuleljmp(|!gWf#}~l�hTl§dTjun(l²yzf¼jmi!gTi¢ltg�q�f#�T��i!qmyui�quf#�(l~i!gWf#}~pÅn(i!g�dFg�dTgTltn(i¢jmp(|!gWf#}~pehTl8n(}~i�nzñMl~g�yup(qmgTi¢f!}t}&f��qmp(��dTp(gT�bf¡òóSô ¾ ì ç �#�WhTl~jm�§i!gTlt�Tl~}~pef#}t}�� dTjmn(lty�f¡õ ® �#pbhTl8�Wf!quf#|!quf#�öi ¾ °±�

Äeio��iMf��!p(qkyuqui��#f�yuis}~i¢jmnbf!q�yuisyuqufM}~pe��qmpb��dTp(gT�(p0hTl�dTjmn(lty�fT�Tn�f#}tn(io}~f�y�pJ}~i¢jmn�f#q�yui�f#jmjui!}tdFy�i® ��dTltgThTl8p(jm�Tqup(jmjmi¡l~g ç p(qmyu��°�hTp(}t}~p�hFdTp���qmp(��dTp(gT�(pxhTlNn(}ti�nzñ��

÷ i#yzfFø�}&f���qmpb��dTp(gT�bfahTl¬dTjmn(lty�fù�p�qml~nbf���f�yzf<hWf#}¬��dWf!qm�(i�f ¾ ì ç ��n(i!gídTg¤hTl²��ltjui!qmp�frMi�hTdT}~i Âoú!+ Æ �VäPi!r¼dTgF��dTpw�!p(qmlt£Wnbf�yupwn(i!g�l~}�n(i!goyzf�yui!qmp!�

û üýÜâCTÞJUWR5LNEPOàþeRSQ�QTÜmÿ I O�QTEÓ�p��Tqmi��#f�yup�f<qml~��p�y�p(qmp�|!}~lÀp(jm��pbqml~rMp(g�yulÀltgThTl~nbf�yulkf#lÀ�Wf#quf#|!q�f�£í�Tqmp(n(p(hTp(g�yulÅi!�§p(quf#gThTi`f!}t}&f��qmp(��dTp(gT�bf�hTl ¾ ì ç � ® dTjmn(lty�fsõ�hTp(}�|!p(gTp(q�f�yui!qup�°±����l§f!n(n(i!qm|!p(yupenz�TpÅ}tp¬i!�§p(quf#�blti!gTl�qmltjudT}²yzf#gTiltrs�§i!jmjml~�Tlt}~l�� � ixjunbf#q�yuixhTlT��qmpb��dTp(gT�bfs�pkp(n(n(p(jujmlt�!i�pÀlTjup(|!gWf#}~lWjmn(i!quqmi!gTiwyuqmi!�T�§iJ�!p(}~i�n(p(rsp(goyupjmdT}~}ti¢jmnz�FpbqmrsiT� ÷ pb�T�TdFqupx}tpJ£W|!dTqmp�hTl � l~jmj�f��mi!dTj���lN��i!jujmi!gTi�f#ltdFyzf#qmp#�

Page 3: MISURE ELETTRONICHEled.polito.it/material/misure/laboratorio4h/4freq.pdf · 2002-06-18 · nbf#qmpkl~}Tg dTrsp(qmixhTp(}~}tpÀn(lt qmp Tqup(jmp(g y f yup¬judT} hTltju T}~fÒ! vÓ

MISURE ELETTRONICHEESERCITAZIONI DI LABORATORIO

Data File

Cop

yrig

ht 2

000

di E

nric

o R

ubio

la.

Tut

ti i d

iritti

ris

erva

ti

����������� ���������� ������

��������! ! ! �#"�$&%(' ¿ *#+

� l~|!dTqmp ) øÀÓ�nz�Tp(r�fMhTp(}~}&f¢rsl~jmdTqufMhTl���qmp(��dTp(gT�bf¡n(i!g��Wf�ymyul~rsp(goy�iT� ÷ p(}~}~i¢jmnz�Tp(r�f�lt}�jup(|!gWf#}~phTp(lN|!p(gTp(quf#yui!qml8��ltp(gTpxf�ymy�p(g�dWf�y�i¢pw�Tqmlt��f�y�i¼hTp(}~}~f������ ���������������������������

� l~|!dTqmp ¾ øVì�l���p(qkhTi!�T�Tl~i¼�Tl~}~f#gTnbl~f�y�i¢Ó� � Ñ ¿

Page 4: MISURE ELETTRONICHEled.polito.it/material/misure/laboratorio4h/4freq.pdf · 2002-06-18 · nbf#qmpkl~}Tg dTrsp(qmixhTp(}~}tpÀn(lt qmp Tqup(jmp(g y f yup¬judT} hTltju T}~fÒ! vÓ

MISURE ELETTRONICHEESERCITAZIONI DI LABORATORIO

Data File

Cop

yrig

ht 2

000

di E

nric

o R

ubio

la.

Tut

ti i d

iritti

ris

erva

ti

����������� ���������� ������

��������! ! ! �#"�$&%(' �*#+

� lt|!dTqup ¿ ø � l~}tyuquf#|!|!l~i0hTp(}Njmp(|ogWf#}tp���p(qkp(}~ltrsl~gWf#qmpÅ}&f�n(i!rs��i!gTpbgoyupxf#}~}~fx��qup(��dTp(gT�bf ¾ ò]�

½{qmi��#f�yupDf#}~}ti!q�f�f#hÌdTjuf#qupDdTgÌrsl���p(qð��pbqùi!jmjmp(qm��f!qmpD}&f>��qup(��dTp(gT�bf hTl��Wf#ymyul~rMp(g�yuiT�jmp(|!dTp(gThTi�}~i¼jmnz�Tp(r�f¢hTl8£W|!dTquf ) ���Vn(i!}~}tp(|�f#rMp(g�yul�hTp(}NrMl���pbq�jmiogTiMl~g�£W|!dTquf ¾

»b»��������¸���"! l~}TrMl��Fp(q��p$#��§p(qmr�f#}ti!jui�%Jpkjml�qmi!rs��pÀjmpÅf#}~}_� ltgT|!qup(jmjmi�qml~n(p��!pkdTgWf�¦'&�¥WÏ)(ö¥W×F�i!�T�TdTqmpwdTg�jmp(|ogWf#}tp$*+(V�+,.-�(_©uØzØ��¡©z¦�¦z©��z�/(10�#�32�yuyup(gTp�yup(��l]f#}~}~pel~gThTltnbf#�blti!gTl��

ä�i!g�dTg@��iT�WhTl�f#�Tl~}tlty�f0ju��p(qml~rsp(goyzf#}tp�gTp(}t}�� dTjmi¢hTp(}8y�qmlt|o|!p(q(�Wf#}~}_� dTjmn(lty�f�hTp(}Nrsl���p(q��!p(hTp�yupl8hTdTpwjup(|!gWf#}~l_�Tf#}~}tpÅ��qup(��dTp(gT�(pxjmiorMr�f�pwhTl�4�p(qmp(gT�bfF�

½ pbq��!p(hTp(qmp���p(gTp�l~}!jmp(|!gWf#}~pVf#}~}~f���qmp(��dTp(gT�bf¬hTl54§p(qup(gT�bf��p�i!�T��i!qmyudTgTiÅf#|!|!l~dTgT|!p(qmp{dTgw£T}tyuqui�Wf#jmj�f¼�Wf#jmjuiT�Wn(i!rMpJltg¡£W|odFq�f ¿ ��äPi!g�}_� i!jmn(l~}~}ti!jun(i!�Tl~ix�§i#yup�y�pJi!q�f�rMl~jmdTq�f#qmpef#|!p��!io}trsp(goy�pJ}&f��qmp(��dTp(gT�bfshTl��Wf�yuyul~rMp(g�yuiT�

ä�i!gF��qmi!g�y�f�yup�l~}¬�#f#}ti!qup@hTp(}~}~i«junbf#q�yuiðhTlÅ��qup(��dTp(gT�bfùn(i!g¤��dTp(}t}~i�i#ymy�p(g�dFyuið�Tqup(n(p(hTp(goy�p±ÑrMpbgoyup#�

6 Ú«R�ÿÌãJÜâEPO�ÜMGwÜ¢Û±UWI�ݬÞJI OeßNR Ü�O QTI�U�ÿ EVC�QFRSQTE7�Y�X 8 ¸�������¸§��»�¸«� �������8� ������:9 X;Çklt�§p�yup�y�p0i!quf�}��¯p(jm�§p(qml~rsp(goyui��Tqmpbn(p(hTp(goy�p ® �TdTg�yui ¿ °kdTj�f#gThTi�l]jmpb|!gWf#}tl]�Tqmi��!pbgTltp(g�yulvhWfshTdTpnbf#rs�Tlti!gTl�hTl]��qmp(��dTp(gT�bf�f à ì ç �#�wªÅjuf�yup¢��p(q��i¡dTgTi�jun��Tp(r�f�dTg���iW��hTl²�!p(qujmiT�N��pbqmn���ëp¢gTi!gn#�²�p��Tltjui!|!gTi¼hTlNf�ymy�p(g�dWf#qupJl�jmp(|!gWf#}~l ® £W|T�  °�� � p�ltgThTl~nbf#�(l~i!gTl�qmpb}~f�y�l²�!p�f#}§��dWf#qm�(iMhTltjm�§i!gTl~�Tlt}~pjmi!gTiMltg�£T|odTquf Ã

è]f#}~l�nbf#rs�TltiogFl{�Wf#gTgTi�f#}~}_� ltg�yup(qmgTi@dTg\yupbqmrsi!j�y�f�y�i@nz�Tp¡j�y�f#�Tl~}~lt�(��f�}~f�yup(rs��p(q�f�yudTquf@hTp(}��dWf#qu�(i�n��Tp!�8�§p(qei�����ltp�q�f#|!l~i!gTl hTl]�Tq�f�yul~n(l²y��fMio��p(quf¡f#h�dTgWf�y�p(rM�§p(quf�y�dTqufsyul~�Tltnbf!rMp(g�yup�f�y�Ñyui!qugTi¡f�< ú>= äe� ÷ pb}t}&fM��f#jmp¼l~gTlt�bl~f#}~pwhTl]qml~jmnbf#}~hWf#rsp(goy�i¡}_�µf#jmjmi!qu�Tltrsp(g�yui�hTlSn(i!quqmp(g�yup��p¼f#}tyuiT�rMpbgoyuqupJ}&fx��qmp(��dTp(gT�bf��p�|!qmi!jujmi!}&f#gWf#rMpbgoyupJjm�Wf#|!}~l~f�yzfF�S½]i!l�}��µf#jmjmi!qu�Tltrsp(goy�i�nbf#}&fF��p�l~}§nbf#rs�Tl²Ñi!gTp¢�pJ�Tqmi!g�yuis��p(qkp(jmjup(qmpxdTjuf�y�iT�

cJdWf#gThTi\f#n(n(p(gThTp�yup@|!}~lPi!jmn(l~}~}~f#yui!qml��]i!jujmp(q��#f�yup�}~f��#f#qml&f#�(l~i!gTp¡hTlP��qmp(��dTp(gT�bf\hTdTq�f#goyup�lt}qml~jmnbf#}~hWf#rsp(goyuiW�

Ó�dTn(n(p(jujmlt��f#rsp(goy�p#����dWf#gThTi\|!}~l�i!jun(lt}~}&f�yui!qml�jmi!gTi`f\qmp(|!l~rMp#��rsltjudTquf�yup�}&f�hTl54§p(qup(gT�bf\hTl��qmp(��dTp(gT�bfF�

7�Yt¶ 8 ¸�������¸§��»�¸«� �������8� ������:9 ¶�;½{qmi�n(p(hTp(gThTiel~gxrMi�hTiÀjultrsl~}tp{f#}��TdTg�yui ¾ �#i!jujmp(q��#f�yup�}tikjmn(i!quqml~rMp(g�yuiÅhTl�dTgWf¬hTp(}t}~p�hTdTp�yuq�f#n(n(p#�äPiogF�öqui!goyzf#gThTi¡l]nbf#rs�TltiogTl�ltg@yup(qurMi!jmy�f�yuiT�§}~f�hTl54§p(qup(gT�bf�hTl ��qmpb��dTp(gT�bf��p0jud?Mn(l~p(goy�p(rMp(g�yup

Page 5: MISURE ELETTRONICHEled.polito.it/material/misure/laboratorio4h/4freq.pdf · 2002-06-18 · nbf#qmpkl~}Tg dTrsp(qmixhTp(}~}tpÀn(lt qmp Tqup(jmp(g y f yup¬judT} hTltju T}~fÒ! vÓ

MISURE ELETTRONICHEESERCITAZIONI DI LABORATORIO

Data File

Cop

yrig

ht 2

000

di E

nric

o R

ubio

la.

Tut

ti i d

iritti

ris

erva

ti

����������� ���������� ������

��������! ! ! �#"�$&%(' à *#+

� lt|!dTqup  øVÓ�n��Tp(r�fMhFpb}�n(i!gF��qmi!g�yui¢hTl8��qup(��dTp(gT�bfMyuq�f¼lNhTdTpwi!jmn(l~}t}&f�yuioqml§f¢��dWf#qu�(iT�

� l~|!dTqmp à øVä�f#rM�Tl~i!gTpehTl8��qmpb��dTp(gT�bf�f¢��dWf#qm�(isl~g¡yup(qmrsi!j�yzf�yui

Page 6: MISURE ELETTRONICHEled.polito.it/material/misure/laboratorio4h/4freq.pdf · 2002-06-18 · nbf#qmpkl~}Tg dTrsp(qmixhTp(}~}tpÀn(lt qmp Tqup(jmp(g y f yup¬judT} hTltju T}~fÒ! vÓ

MISURE ELETTRONICHEESERCITAZIONI DI LABORATORIO

Data File

Cop

yrig

ht 2

000

di E

nric

o R

ubio

la.

Tut

ti i d

iritti

ris

erva

ti

����������� ���������� ������

��������! ! ! �#"�$&%(' Æ *#+

� lt|!dTqup Æ øVÓ�n��Tp(r�fMhFpb}�n(i!gF��qmi!g�yui¢hTl8��qup(��dTp(gT�bfMyuq�f¼lNhTdTpwi!jmn(l~}t}&f�yuioqml§f¢��dWf#qu�(iT�

�Wf#jmj�f«hWfan(i!gTjmpbgoyul~qmp�}��¯p(ju��p(qultrsp(goy�i«f à ì ç �#� ® Çkl~n(i!qmhWf�yup�nz�Tp�n(i!g¤|o}tl¬i!jmnblt}~}&f�yui!qmlÀhTp(l|!p(gTp(quf#yui!qml8hTlNjmp(|!gWf!}tl8gTi!g�julNqml~dTjmn(lt��f��(�(��°

@ AÍÞJÿ EVUWI G�ÜMÛzU�I�ÝkÞJI OeßNRîejujmp(q��#f�yup�f#}~}��¯i!jun(lt}~}~i!jmn(i!�Tl~i�lt}Àjmp(|!gWf#}~p�hTl¬dFjun(lty�f\hTp(}Å|op(gTp(quf�yuioqmp@hTlÀ��dTgT�(l~i!gTl ®1B f��!p�yup(ñ��è]f#�§i!qPi¢f#}tyuqui�°{qmp(|!io}~f�y�i¼f�ymyuioqmgTi¼f ¾ ì ç �#�VÓFf#��p(yupJnz�TpJn#�²�pJhTp(}�qmdTrsi!qmpJhFl§��qmp(��dTp(gT�bfF�Wr�fgTi!g�qml~dTjmn(ltyupwf#h�p���l~hTp(gT�(l~f#qup�l~}§��p(gTi!rMp(gTiW�

ª¬juf#yupJf#}~}~i!qufwlt}§�Wf�ymyul~rsp(goy�iT��jmpbn(i!gThTi¼}~i�jmnz�Tp(rsf�hTl§£W|!dTquf Æ �{Çkp(|!i!}&f#gThTi0l~}�|!p(gTp(q�f�yui!qmpf#}~}~fM��qmp(��dTp(gT�bf�io�F�§i!q�y�dTgWfF�8nbi!g<}~fs��qup(��dTp(gT�bf@hTlS�Wf�yuyul~rMp(g�yui¡hTl{f#}tnbdFgTlvñ�l~}~i!�Tp(q�y��#���§i#yup�y�pi!jmjup(q��#f#qmpxf#}t}��¯iojmn(l~}t}~i!jmn(io�Tltix}~pDCWdFymyudWf!�(lti!gTlNhTp(}~}&f0��qmp(��dTp(gT�bfshTl�4�p(qmp(gT�bfF�

Page 7: MISURE ELETTRONICHEled.polito.it/material/misure/laboratorio4h/4freq.pdf · 2002-06-18 · nbf#qmpkl~}Tg dTrsp(qmixhTp(}~}tpÀn(lt qmp Tqup(jmp(g y f yup¬judT} hTltju T}~fÒ! vÓ

MISURE ELETTRONICHEESERCITAZIONI DI LABORATORIO

Data File

Cop

yrig

ht 2

000

di E

nric

o R

ubio

la.

Tut

ti i d

iritti

ris

erva

ti

E ��Fv�¹�¹���N»��¹��

��������! ! ! �#"�$&%(' < *#+

G R{þ0I]K�KâI2ÞÅQTÜmK�Ü

º!¸N� ��ºo@�����º!¸§¹�¸����gTpbqmi ú )�ú+Hr�f#qmqui!gTp ) )�úJI )�Kqui!jmjmi ¾ )�ú+L ¾ Kf!quf#gTn(l~i ¿ )�ú+M|ol~f#}~}~i  )�úON�!pbqmhTp à )�ú+P�T}~d Æ )�ú+Q��l~i!}~f < )�ú�R|oqml~|!lti æ )�ú+S�Tl&f#gTn(i + )�ú+Tioqmi )�úJU I à Kf!qm|!p(g�yui )�úVK

8 ¸�� � �� �b�F»�¸����� f�nbf#�Wf#n(lty�f�hTp(lSn(i!gThTp(gTjuf�y�i!qml��p0jm��pbjmjmi�l~gThTl~nbf�y�f�l~g��Tl~n(i#��f#q�f#h@n(iog�dFg�n(i�hTl~n(p¼fsyuqmp¼n(l²��quphTp(}8yul~��iXWOY�ZJhTi��!pW¼p[Y0jmi!gTis}~pJn(lt��qmpJjult|!gTlt£Wnbf�y�l²�!pehTp(}~}&f�nbf#�Wf#n(lty�fZ¼�p�lt}8rsi!}²y�lt�T}~l~nbf�yui!qup#�ohWf¢l~goy�p(gThTp(qmjml n(i!rMp�\ )�úO] �´ jmp(rs�TltiTø �!�#� n(i!qmqultju��i!gThTp�f ¾!¾ \ )�úON � � �Fi����!p(qui ¾!¾ ú g � ���}Vjmd?Mjujmi_^#�]y�f!}²�!i!}ty�f��Tqup(jmp(g�yup#��l~gFhTl~nbf�n��Tp¡n(i!gThTp(gTj�f�yui!qmp��p�n(p(q�f#rMl~n(i ® ¥�&�¥�jml�y�quf�ymyzf�hTldTgWf¼rsi!}tyult�T}~l~nbf#�(l~i!gTpk��p(q )�ú!ú!ú °��ª¬g@f#}tyuqui¼rsi�hTi��pw��dTp(}~}~i¼hTlNl~gFhTl~nbf#qupJ}&f�nbf#�Wf#n(lty�f¢ltg�rMl~n(qmi#��f#q�f#h8�´ jmp(rs�TltiT�a` È�l~gThFl~nbf ú � úF)cb � ô )�ú g � êvjmlÀgTi#yulÀ}_�µf#jmjup(gT�bf�hTp(}~}ti��(p(qui\�Tqml~rsf�hTp(}À�TdTgoyuihTp(n(l~rsf#}~p#�

d���¸N� ¸� fÅ��f#jun(p�ymyzfJjmio}tlty�f#rsp(goy�p�l~gThTltn�fÅlt}Fnbf�y�i�hTi ® }&fen(i!quqmp(goy�peCWdTl~jmn(pkhWf#}~}_�µf#gTi�hTief#}Tnbf�yui�hTi�°±� ÷ i!g£WhWf#qmjml��#rsfk�Tqui��#f#qmp�lt}�hTlti�hTiÅn(i!g0dTg�r�dT}tyul~rMp�y�qmikpPdTgWf¬y�p(gTjml~i!gTpPhTl��§i!}&f#qmlty�fÀgTi#y�fF�#qml~nbf���f�yzff#h�p(jup(rM�Tl~i¢hWf#}~}�� f#}~l~rMp(g�y�f�yuioqmp#�

Page 8: MISURE ELETTRONICHEled.polito.it/material/misure/laboratorio4h/4freq.pdf · 2002-06-18 · nbf#qmpkl~}Tg dTrsp(qmixhTp(}~}tpÀn(lt qmp Tqup(jmp(g y f yup¬judT} hTltju T}~fÒ! vÓ

MISURE ELETTRONICHEESERCITAZIONI DI LABORATORIO

Data File

Cop

yrig

ht 2

000

di E

nric

o R

ubio

la.

Tut

ti i d

iritti

ris

erva

ti

f �� ���F»�¸����]�P��¸���^`��hg ¸§� ���

��������! ! ! �#"�$&%(' æo*#+

ikj[lmj[npoXqsr$npjutmvxw�rynhz j{t}|~ryl�tmo

�h� ���

� �"���/� ���.�

�"���/� �����

�"���/� �����

�"���/� �����

�p����������������� ���/�

�s� ���O� ���   �¡� �'�/� �V�/�¢ ��£¤�e�D¥§¦��V�/¥O�

¨��(¸��}ShTl~jm�T}&fbÒ�ltgThTl~nbf�l~}]g�dFrsp(qmi�n(i!qmqultjm�§i!gThTp(g�yup¢f#}~}~fs��i!qursf�h8� i!gThWfF�Nquf#�T�Tqmp(jup(goyzf�yui�n(iog<dTgWfjml~gT|!i!}&f¼n(lt��qufsp(juf#hTp(nbltr�f#}~p ® hWf fª©�°±�§��} g�dTrsp(qmiT��px��dTltgThTl�}&fM��i!qmr�f¢h8� i!gThWfF���Td �i¡p(jmjup(qmpnbf#r��Tl&f�yuiÀf#|!p(gThTikjmdTl!�TdT}~juf#goy�l�«h¬ ® l~gTn(qmp(rsp(goyzfo°§p�õ®­ ® hTp(n(qup(rMpbgoy�fo°�ê!}_�µf#�(l~i!gTp]hTp(lo�TdT}~juf#g�yul�p�nbltn(}~l~nbfF��fMrMi�hTdT}~i ) Æ �

¹��_^`���»��T����¸�� ø jultrsrMp(yuqml~nbf°¯ ) ¾ �²� ) ð± ® qui!jmjmi³² ) ¾ �FgTpbqmi�´ ) ¾ �F�!p(qmhTpxrsf#jujufo°±� »�»��� ����¸§�� økqmp(|!io}~f#qup�}_�µf#}~ltrsp(goyzf�yui!qupD-�Õ�(1,M��hFlvn(i!}~}~p(|of#qmp0l~} |!p(gTp(q�f�yui!qup¼hTlSjup(|!gWf#}~l_��½]i!lf#jmjultn(dTq�f#qmjml8nz�Tp�}�� f#}~l~rMp(g�y�f�y�i!qmp¬jml&fM��-T©(¥WÏ�&erMp(g�yuqmp�jml8n(i!}~}tp(|�f#gTi�l�n�fb��l_� � pJjup(�(l~i!gTlNhTp(}t}�� f!}tl²ÑrMpbgFy�f�yui!qup�jmi!gTiwn(i!rs�T}tp(y�f#rsp(goyup�l~gFhTl~��pbgThTp(goyul��op���f#gTgTiwn(i!}~}tpb|of�yupVy�quf�}ti!quie��p(qv��i!qursf#qup�}&f,M���z���PhTp(}~}_�µf#}~ltrsp(goyzf#�(l~i!gTpvjultrsrsp�yuqml~nbfF����}FrMi!qujmp�ymy�iehTl�Ï�©�Õ±Õm��hTp(}~}_�µf#}tl~rsp(goy�f#yui!qmpk�p�n(i!}~}tp(|of#yuif#}~}~fxy�p(qmquf¢hTp(}t}�� ltrs�Tl~f!goyui0p(}~p�ymy�qml~n(iT�Tp¢¥�&#¥��pwn(i!}~}tp(|of#yui¼f¼r�f#jmj�fF�

Page 9: MISURE ELETTRONICHEled.polito.it/material/misure/laboratorio4h/4freq.pdf · 2002-06-18 · nbf#qmpkl~}Tg dTrsp(qmixhTp(}~}tpÀn(lt qmp Tqup(jmp(g y f yup¬judT} hTltju T}~fÒ! vÓ

MISURE ELETTRONICHEESERCITAZIONI DI LABORATORIO

Data File

Cop

yrig

ht 2

000

di E

nric

o R

ubio

la.

Tut

ti i d

iritti

ris

erva

ti

f �� ���F»�¸����]�P��¸���^`��hg ¸§� ���

��������! ! ! �#"�$&%(' +o*#+

µ�¸��^«��hg ¸��]���

­ ­DÈ ­ � ­·¶¸ ¸

¸ ¸¸ ¸º¹ ¹ ¹ ¹ ¹ ¹

Á ÁíÈ Á � Á»¶

­ �¼ ¼¼ ¼¼ ¼5½ ½ ½ ½ ½ ½ ½

­x¾ ­x¿ ­·À

Á � Á»¾ ÁÁ¿ Á»À

­ �

Á �