adc-dac2.ewb

电子模拟软件

Electronics Workbench Circuit File
Version: 5
Charset: ANSI
Description: 
"This circuit uses an A-to-D converter to convert an analog input to a digital output. It then uses a D-to-A converter to convert it back to analog again. Double-click on the function generator icon and decrease the frequency on the function generator to see the effects of  a lower sampling rate." 

EncryptionType: 2
UsingVectorGraphics: 0
/000@D0I0?4D<DHI@3078;L=8?@A404D8@4@8GD7L80@030B88HIHC078=4M040542
<@H9@34G4MHE0?D?<B8G0D4K<2@6L<4K0980DE<IDC0B<LHAD3<20=480J@A024:<
98=0?4N<DHADB4F0BDN8FH8H3<8D0<DH>@BD98:<L0BHG<6@<HJ8A@BDEH3@=DILJ
@O89<;<:49HKH@0B008880@2L24:8@@9@=4244<8LAH3@5D3L6L8L4@2LMD=DCDLH
I0OH7H8<;HJD>0248<4H:4D0I03D64;LD@B@C48<FL88BHH8G<IDDDAD14GLNH701
4J<DH=@B870H8LHADK0680H28:<CL90;4JD004DI@C@G454ADM4K<6@78=0J<<<A@
1H5H;@I8BH><9@M<58<82<0H9L20FHBDBH0H4@=<6@@L4L>HA<<4O444:<2HKLFH@
0@4K8306L>@N4;DE<5D1@C44L=HK0L@8D54<H4@9@3D6H>@LHD8F@C4:88L5@981L
E<@D:8CDF890DDC8G@5DOD10MH=H1@B46@><L0D86@3428>@8H8@>8;H30G4=0;H9
0L8<H5H@88DL<6@G<O03H:0@@7@@4A<:04LA0:<MDI4<@E@?4E<GL>@H@D0?4;L;0
AHC@8<;L3DI<@H943864>8A<9<;H2@48<L0H44I4K@5LNDID2L:<I8J0D4K<JH;4D
H?848BL44=0KHD@343<54BL@8C4O<084HO8B4I<;D;46<0D9HK0K8@<28LH9@3444
>8JHL8A@JDF@>4>8KH486HFH0L0<1DML480<0H9@=H=@JLND4DH4681H=@C8CDB43
@EL9@102<<8AH5L<4K008OH04$000@8@@0=0D0000@907D80144<@LAHB<78=D80D
@0424D<4HFH9DC06H><80I0J4248<<H0<I8E@@0<46<BL3060K<0444F<ADBH7LND
509DGLI0N@CL2<M0I<D<4H=LI0B@<49<K<M@4D8<>0;8H4I8@0B008888@K8?810H
<2HK41D74>8D8G8F4646DHDNLJ@D<G<7L4L345H=8O884D<9@1<3074LD;8GLMDL0
B@9<I<70;@I<L8CD5@3<50>8I8C054K<LL<H9@C4G4:8B4F0<D5@GD9<=0L0D@3DB
8G064N<FH5478EDK88@5@;L7DH0E@@<386L=@<8:@680DIDC<7<9H9LF@88DD4DG<
30?4L<@H5H0LAH:D08B<60<894?4<<?<2<N81<484L5D:HOH0LB@8H=LC@J@28HLA
87D:@N8H054A<N<>D1H8<KHF0?44<6LA@<HL<8HI@7HC@C0LHB@9D24K02HC@7D9D
8L:LJ8BH0<6L<L:4LDJ<4@A@C<G8DD3D3L;DB078>@KH4H=H?@I<C0A05@GHB@B@6
8>8KH6HE05@GHK82@78=4K0488H88D@1@C<F8O0L8;0J850;8?L=DI828I@9470G4
40=<0<2LJD@80@?@C0A4@<1L=LLHD@5D1D=LK@9H206<8<7@6D>8J000@40<4L8H8
@:H1<D@78<D0<5<>49H6D@L:D>4;<<<><@<LDFL0HO@0<$000@38500004:81L8<K
HF@=4N<HH1D90D8H4;HN8KD4<DDA@C44@8@800@044448HH1DB4<@D<GHH@=818CD
60>@M8I@04B40H0@9@F8;LC<5L>@L0J0B4:<@@9DC4FHI49<981@5L6064G4JLAL3
46H<4IH48LDB4LHI<K0:88D0H@@;@B@6H=HL@D@HD>DDDGHKL=H>0=4:LA@CDD0@@
B48<HL94KD68;8><6<>8<8K8G@C4B<@H9HK8ADBL8HHLI@J<A<@4H<0H1D206L=HJ
04@5<;014H<DH9HK4>8D04<4HIH4<9DKHB054H<DHA8K<38KLDHO0JH:0B0@09DE0
98404HJ044@4386HK<I0640<4LK094D04H4@4D<0L@90346L;H<@489<28<<><B0B
D0@1DC0L<0LA@C8<04L14C8D894H07L$000@80@0O@J0DL@488?L7L9@D42<@H9HC
D7440J8@0@004B8=0J8LH1<3D70>@L@2@<4:<DH1DA040408@;0A4L40D@H90;@6L
6<=@H8C@9D3H70>4;DJ8?@34N<HH1D3420>8N4946LI8ADC@F@G0EHJ@>L8<KHF@@
49<G<M@4D><@4288H1H3D4L>DI<=0IDIDI0A4=4N<<H9H3878=4I<<<L<>@I@7@GD
306<=@J000K44DB<E@<04D1@C<78<DI<@4AHC070AL6@?48<DH1@C<58=H=<?@C<L
8;<MLA4FH8L906@H@?0FH8L98346<94A08HD<LD3HD<945094404HF80@24B@1@CH
28B0440<0H1D206L=@J@0@7<14I0@@D@0@DHA@?40<DL5@1@J80@=L7@B404L<LHJ
8H014?8J8H@=42868J830N8H@A42<34;H<008OH04$000@8@@0=0D0000@907DF@O
4<8@H9DC06<><80D@04042<JL4DIDBL64=LK@B004442LDDAD3<74=4>4;DO8N8=0
I0C<6H>0=4BLGD<@5H:0H8I0D4L<D@9HK<@<C0B42<J<LHIDC@6@>@J8BHHLHHM4C
0?4?864>0J0D004L8HHA@C8<@0D5<<4K0J@54;<1H>@H@H@?4D@I43<68<DK0:@>4
;<L<K<2@KL?89LF@7D88D844HHF<7D:8I8C094880@8@202048<8H0H@=0B8;8F4<
L18CD60>@M848=4A@1H3@78>8A8F054J<6H?494B4L42DBL7<:040@43470=0FH04
D<0H9HB0B<889H9098D0989@408@0870BL80AHC8<0@L1L704454GL449LC@70F41
4:D9408OH04$000@J8?@>44<4L1D107440<0@0=0D0000@I03@O8N8=0I0C<6H>0=
4BLGDN@K@0<4DA@3@789HM8F@04;4><6<>8<8K8G@C4B<@H9HC86L=H3<DL<<LHM4
HDH0@4@<0HA03@6@=8B82DE@@@<4:<DL=@74J024B<1@GHDLI43<68<DK0:@>4;<<
<><IL34K<?89LF@7D88D844HHF<7D:8I8C094880@8@202048=HA04@O<:81<NH9@
D42<@H9HKDD<HD8DJ8LH1<3D70>@L@2@<4:<DH=DF8E848H<9<9@9@MHND<<@H9DC
0F<90?4D@O468FHJ@B0HD54;4K<@8B8O@=@5HGLC4<04L7LC<:0BDCL9@L08<?H6D
BLCL9@F0B<;L9DE0I8=L4H70I<3LN01L$000@806@:00008D@3HD0G@C4B<@H9HC8
6L=H80D@J4640<0@1@2064>0I@D004480LA@C8<@0D5<<4K0J@540<88AHAHC0FL4
LG86@?48<DH1@C<58=H=<=@MH74<<;<1D?4J<DHMD24281DNHB8ML3H54<DI@4@44
08481010246@8@B8?DO828E<54>@H8J0E4?<F@G090K8?@D40<@LAHC@48=@I8F@9
D:H:D<@?0HDLD;H7L<HK0@@74A<B@8LC85L<<9<1DK448A0J8HHADC@F@G0EHJ@NL
K<1@5HMDA8F424B@60>8M070E4;<8H=<=H8H9HC0L@2L2<1@LD6L2<E8N8E<14?@I
01L0H1D2070>0@8CDO@<@88:D?H6H@41HO4KDI0G4O@=HH84L?LH07L$000@80@00
0J4L@1DC468=@E8G0948<<L1HA06@78<8@0@004D8@4H8G<O860L@9DC<6H=LK@B8
1DNHB8ML3H54<DI@4@440848101024648@B8?DO828E<54>@H8J0E4?<F@G090K8?
@D40<@LAHC@48=@I8F@9D:H:D<@?0G4A4I4GD?HI@F014><2H54AL6@;LHHBH3868
40L@D8F@>44<4L5DEH5<NDOD6H@<9<G<<8=@0@4DA@3@789HM8BHJ4C8A<A4M4N8<
H9H3878=46L;8383D6<9L5HHH1D3@6L80K@E0B4B<E@<04D1@C<78<DI<CDAH3840
?<<0I8B4M0AHB<=@7DH@8@5<1404I494@D84O81HH<94C0FHDD8D=8KD<8=8D8146
4ID4HA4C<74>@L@2H8@<DK@J0@D9L=<68F4;8<L1DJ4B0@4F<1DC0=D8<9D3064G8
HL14<<74A064<<<H@DF064D<4HG860K0E@D4C@N014@L9@=018@L:DJ02D9H88E83
0L4B0044<0LIH@80@4LL@@@084L5@=0;8>46@2L18C@A08854@030N01L$000@80@
0N@D4I43<68<DK0:@>4B<@HIH3@20=4>@H@00040<8@0<@DJ814H@B06L=DK8G@>4
9<6HK09<GH?<D@B@64B<@@10A040408@H02094NHM49<E@DHJ0148<DLMHJ4B8B4J
8MHHL0DBL>HHDH@0<4DA@3@789HM8F@7DBLC@C05H=LLH2HCLF@?<G@O0ID7@7434
60=@FH>D8<4HDH@8BD60=@M8B@04442L=L94=0C<=DI02<4L9H<8@8EL24=@@8D42
4<@@8AH24<@H8<8@@306<<HL000:40<4LD824JLN<0DL460=8?DI4H@FL@L@0B4E@
H8<0;0HLLL4@9@K<6848FD=H646DD4E<7LC@60M8EL8H9@B0<<8H8@J010O00L$00
0@80@0M@C4884L1@CD78><80D@04040<8@0<@D=4K0J<BL8L8<KHF@@49<G<M@DDL
L3H50<4L@J0>4:8DLMDG4L@H@>@?46<4L1DCD6@=LK@6H98HLI@B<B<244<<L;<6L
=0<858;014H<DH9H3420>8>@H@4@8<ML=4N8@H9@346H:DK@JHO0CHHDFLKH1<=DA
LB0=0A0N4=8ALB@68<HB82004240@@@A0449LC@70C444B8M@9DED14<D4<H@E014
@<44=0=HA0C0HDM@@H9@A@44D4=DF440:8<8D8;<K8B47414J<DH=@=DJH:DK8JHH
8F0HD2@@HF0@4<4609HID0HL4B0@40<@@AD3868J4K0G87H?<<0I824;DE<LLAL:H
2808;8B<482<<HAD@<@<>H>0H8@82864>0NH2H<@7464980H4<B@@01478=0ALH4=
HH07L$000@D0G@C4B<@H9HC86L=H80D@J4640<0@1@2064=8L0=@1<@LAD3@40385
00004:81L:HH8F0E4:<0H@@3@3D64=L9L>@=4N8@H9@346H:DK@JHK0K@><HHFH38
N8DH9DK<4<4@38M@4DKL7D:8I8C094880@8@202048@H7@>4L8@@@H90F8:L;L<86
D@D9H3078>DALC8A@C0>H7L7HG0F@5<4H5H50<4L@J0>4:8DLMDG4I0H@>@HD3<@4
@H1DC@M08HE@ML08O0A8>030FHOH<@L8K<8<H0:0:H<HD83<JLN47414J<FH1@94E
D;<9@9DM0=8004L9@38B0;47L74=8<82@148H9@042<>@;05H4H5@<HB<240<@HID
08D@4H48I<JD00E4E@1H1L6<JH8<9@F@B82060C8:@F0<0BH48?0M0H8D4=49HA<9
0B84<94E00@<4D80<A8C@6L<8I890HDH@A@:<MD506@D<LHA008D<4HA8AH04OL$0
00@K@D@D46<0L8@383D6480H000J4800410B0?830N8DH9DC<6L=HI40H?<I4>LAL
B@68<HB82004240@@@A058648@B8ADO8285<48<4M0@@EDM<?8H@F@=<N8@H9@346
H9HH8F@54C<8H=4;<1<H<2HJ<=D=85DJ0E4G<BL94MLJ8N@NL3@;@K82DL<5450<4
L@J0>4:8DLMDG4L@H@>@?46<FL:090G<OD1<DDC44L2L<<8HIHFH=@L0H@:@F0;8L
HM8BH4HG4?0GDK804:DD4E8@8449LC@70E4A4EH9H>06808AHC<=D2LA@<0=00@C<
J06888247@>@L46050J<10B44@8LB8:014H88@0LB4D0C000:41@<H0<0LA03<686
40H@LFH=4E8I00@7<>@@HA0:HDHB@74><@<50;@38C8@40<8@AH3<6H44E<<4H07L
$000@80@0N@8498346<94A0@01008888@BD3448806@:050;D80N@4D:H8@H8J014
;<JLNDA0=4JLL@1DC468=@C@@@=4:<6HADJ8FH2H@H5DDHK<J@;8D0:<<L1HA06@4
0<0J8DH6@GD44=LK8H0DD;DNHB8C480144<@LAHB<78=DIL4D4LDHI<C<74=4M0D@
?4L<FH:478<HCH;@A@3<70K<H8:42<:<H4=8C4E<;<C8L@M0A094@H5H1HE0L8FHH
HNL5@GHND;H=0?<@@8@8<A@:L942D1@?4L8H@I49D>@>D@8B@24>8=H0@C<<0=00@
C@D0=80@3@606L089H606@889H>06D@89@F06@881@C0J0684@L03L$000@@HG@=4
0<0L8@0<0D4080LHF0BLCH?<D0@@B48<HL94CD6H40J8@0I0A4M4N8<H9H3878=4K
HG0=DB@AH3440<0@0A0@4@<<H;<74<0<858;014H<DH9H3420>8>@H@G@7DJ4DDI4
3<68<DK0:@>4;<<<><IL34K<?85LF@7D88D844HHE<7D:8I8C094880@8@202048@
H7@>4L84@8H1@B4<@F<GHH@=818CD60>@M83H6L346<MD1H<48<J@K@206484J420
68H4JD206L6L@@9@:06@H@9@=034D8103HG8>030HD94C0FHHD80=80D40B8L@902
85884C0M0C0:8LHI@1DD8C06024>@>00<0LIH08L<@H9DJ060:D2DC8M0DH44;8E0
@@ADM<64MD3D7HK<4L=D=<<4K0<8G8@<@0@H@8H8DD2D3<6@=@@00@O@0<$000@>0
I0I004D8@4082040NDJ0L@1DC468=@E8G0948<<L1HA06@78<8@0@094FH38N8DH9
DC<6L=HI40H?<I4>LALB@68<HB82004240@@@A0586D8@B8ADO8285<48<4M0@@ED
M<?8H@F@>L?09HH8F@54C<8H=4;<1<H<2HJ<=D=85DJ0E4G<BL94MLJ8N@NL3@;@K
82DL<5450<4L@J0>4:8DLMDG4<89@0@LDIDK@8844MDNH5LB@<HCH;@A@3870K<I8
042<:<H4=8C4E<;<C8L@L8ND18=D2D1@?4L8H@941@C8M0580D4L8<J0K@B0KDD0=
09030302LG8@HH014B<44=@JH1L1H306D84IH2060D4<@>HK4;@944<DLI@;@M49D
H@>DNLEHE078@8N<6HIHD0;4I0KD7@@HC45LI4;H><I8C@JDLHFLI<B40<@@I@>H>
4O838N<@HIDC<78>8>4CHJH@0GHD@44A<MLL8>H2D?@@43<N<08OH04$000@<8K@2
004D8@4082040ND@0LLA<C460<<M0G@B40<F84L@H1<3060=8NHB8IDN828ID<0G0
I0@44<HH1@3070=4FLGH7@G8B<8H9H;4K8<D5LC43<C@6L><80D@J484F<L8=<480
HA03468E<C4M@6DDLI@K46@F<04N8KH=D;H0<<H9H68I418<<KHF0?4:<FLE@DDHD
<DC<F0GHD@44A<MLL8LH1DK4HHH004240@@@10C0M0DHHH8@9@C84@4HL@E@;H746
@=H2HC890:H=LM0HL@H:H9@A@C8NDK@:8IDA<HLM@J06D<L<DH8H@?D74>8H8H4OD
1D5L>H6@44<HH@985H6D6<=848>83LIDM07<M@AHD4:H=8:H9@:<70ID882<0HF<H
8<07DC48@N@:0F4>H4DI0D0A4=05DC4FH6H@@?4=@4H<@5@1<6488B0046<JHF0A4
8<:<B820<8BHOHO<J4I0M4JDID9DA4=8B8C0J@IL@0?L$000@80@000>44LADC@68
;LJ8B004B40H0@1@201D2@KHJ00L6L=LI06H0H1HA040408@H@B044B8M@@<LLA<C
460<<M0G@B40<F84L@H1<306@=@J@A0946HI<9<6HDL=DO8N87004J<5H?<I4=@L0
G@C4;<8H>@J000448<<H>LIL9DC@>LLHB@74C<<H6HALJ0MD<HJH<L5<64=@B82DH
HG@<4N<DHAH;@G@MD<46@149@;0I@;478<0I@8@6H0L1@2L74<HK@E014742<:LB8
A@C0A04H=H101H207484I4M8@@J<F4G@9H6H@H@H<D<H5H;06<<H48;8NHLH@D8DI
DF@H<14<4A<HDA0141<=LJDE0:42<H<J0706<H0B0842<=80@68:<142@@<GH3008
E4742L58@4<8=02D9@I@1@1<D4KHM@8H1@C88@><=0C0A8DH;820BD<0><=@6@L03
L$000@80@0J@H<C06L=@KHJ@B40<481D1030403850L@4H>LJ8I054N<4D1D;4?@2
L6L=LI06H0H1HA040408@H02094FHH4N<HD9@C064>@KH:H?<9L9@F89D;HH@6H?D
?4C@20=4BLGD<@6H>0KHI@5D9<78=0@0B0>4F<G<HL4HIH0<><I8C@9DN<HH:L881
@C4<@;LE0;4F<;8<4F0A01<3074?<<4F06@GH746@9@@0><1LID5@:@>848C4N0LH
M4;@646<64AH@HC@;4L4L0M448>44<0HADC4>0C0DDLHKD44<HBHC@?<?0:<<<2@9
LG4NH4<DH5L;0202D1@2L74=8J0O@A0=@88B@MHB060L<O@;4J@=0K@0094=0CDC8
H4LH@HD4;4KL3<1D<HN0284<>4I0>4K49D;0G0=@8H1HC430D@H@C4I<@H9@E0C45
0LHCHD4@4:<G@1DO00L$000@80@0I@<49HC46<><80D@J4<40<@@1@2064K<A0044
88L1D2070><=8D0:0O<NLA@?4H<LH9D3DG4ND0H084HK4L@9H3874<DGHD@44A<ML
L8LH1DK4HHH004240@@@A0306L8@B8?DN0?@642<<H1@CDFL:DK42<H<0D1@386<>
8<8L8I<1<9<F<GH7@9HN0F@I<;H686<70=L<<6L3840<HI@K@;H68<<84D8FLC0G8
7H3<648<<HI@08D<4HB@9D4<2<0HJ<H8<408C<GD8@><=0C0F0G<>@J4G0;45D6<B
4I@@0><5HD<=4=HC<>4F<EHC<K<O8?L=0><909H;0704<4HIHG<D@24=088I@;@6D
FLNDLHHH?0BD>8?4<44D0<<HO8I4D0@42<J4O830FH@@B<K<=0H8<8@8346<<HD8C
<N4<H6D<8I04@?@1H2DN<HHMHA0LHH4=45HG<C4?H6LAD0<6H>0588@8@6<8@9@88