555振荡器.ewb

EWB经典实用列子

Electronics Workbench Circuit File
Version: 5
Charset: ANSI
Description: 
"用能555定时器做 成的多谐振荡器" 
"振荡周期为1秒" 
"占空比为2/3" 

EncryptionType: 2
UsingVectorGraphics: 0
/000@D0I0?4D<DHI@3078403850K0O<0<0@A044=4L@A@E4B<@H1HB868<4I0B@B4M
<AHK8FL4LA43<G89D>42<@HED:@F0K8A@74=4KHG004B40H8@1D306<DD@@BH6L=L
K83014;<74=L=<F@:470<098:LE46@0D=H?49<<<4HID;0M4I8J4NH9@EDGLF@2DL
DL@1D1054408@2@I4>8DD0DA@C0;D60<@J0@0J448<H5<708@J8F8M@H<E<N8E8@H
1<30<<A4088DMHA0O448DDI@3@G8BD;<?8ML6HBL6H4H@8MH>428DH9DK44@>4@@I
D3<F4<D044@DH7HB4F8=80H98C074><:<38J<FL=4>@J0DH0L383D;@G0B0?46<FL
ADF8<D24J<GLN8K0@@H42<@@=D@D5@H0;4NL747@F4;<>@I<2<C4F8O0FH0D3HJ@H
HG0D4A<ML;8=D<4I07@>4H<4H5L98644<<4M8F0D46<2LDDIDB@78<8:4?8;05DL@
M8B@8D58JDL@=DM48L>0>L<<A0D@C40<2LDDI4B0D06<6LB8N<H8I08DN<88286L>
<245@38DLK4HDNL@048L@14K@J@A494NH10L82@E4<LADE<GL>@H@C0?4;L30AH;@
ELELAH<DH<4@AD30G4HD5L5L18B468L<B0<@=H>LGDGH4@88L8B01@A8C@68<HI8N
HG434:<BHI4BH907828AD3D=@J8AH0DC0C4FL>43@I@;DO<0<DH?@ND00@<0HAH38
6L=@H04@FD6@0DIDC<7<9H9L2@5<444<=LK@J08DHH1@4H<4H@IHE4H@3LJ<C<60:
<J080:L1@?H3L:038GD>4:8A<306D>4=DE0L@@49<N434N01L$000@80@0B@H<B06
L=@KHI004B40H8@1@3<6L<8NHL4@004D8@488=HJDBL;06D?48<DH1@;<F8JD;HN8
KDL<4@9@C<6840D@@020248@9HC860=@8@L8;89D94D<FLH42DD@8DA@C8G06H:@N
8H09D;<9@M0F0?<;8HHF854H8DH=@C4>48<<LEH:@4HK@B8H@ID3@78>8M8DH6L=D
A4F40DB@60>8M070EDMLH<D8A4M4N8FH18J8M0C0G4;<=HK@M@5L<<74=4=LM8O<L
8JD0H5H?@6428G478@H6@>@J8G@>45<J4L0F0K4=H@DG8942HF028@H9DCD6840L@
M0A0A4J<F@@DEDA8K<38AHNLF4EDDHJ0148<DLIH;@G@E@D@B@64B<@@=0O0<0I02
<4L9H=8<8O000ALC4F@:D88LHA<1@2084M<B<=@1@24M<I4@@HD?864<HK@H0;450
J@8@6H44@H04N44HH@8@M4JH9@@H30;<H<<H4@5<6464FDB8G0ED1870<DCLG0D46
<LD9D3D74<<I8=HO<D<D0:<8H5HJ<6@28@H@@34A<@8@L9D=828LH=@245@J@N4;D
D0D0146<>LB<L8E<B4946<@LIH3<4<64:4:8642<2<64JDHHH8B@A89@D@:@<@D8D
H482<64:D0@G01H5LM<08OH04$000@J8@0A004D8@4082040ND00LDIDC@6@>@J8G
@>40<48ADAH3440<06H100HAD3840>8H@G094:HF028@H9DCD6840L@KHAH<HD<M<
0D4HK4E8I43<68<DK0:@>4;<1D><CD;D9@H@>H9HH8F@ED3H54408@A04@3<9DD42
<@H9HKDN<H@:DB<:8HH9@28D8E44@8D4H:4E<5LAL@HG@=40<BL>HK4A<F4803074
>@C@J@=40<286HJ<I0K@KH40=HC8C0B06<IDA@C@60C4<L<H24H0048<4HC8?4<8H
8<898=@=<K0M@98K8F@DLID2L70>0M0I0GD6@HH@LADH0N<LDAD34F<L4H<:8682<
JL50EL6@HH78F4>4<HK0@@743<7LJ0H@>D94N<<D=@4484FH90L<7@C@6H=HL@D@8
DM4:80H=LE410A<F<54:@H@14AL50<8K05@0H6L<H48:8NDN8>4042<8<E@?0F4<8
1@187D5834188458@DHD0@74@<:06014M<0<OH04$000@80@0F028@H9DCD6840L@
M0A004480H1@201D2@6H:41L9DKHB054H<DHA8C<6@>@LH@090?<5LC410EDC@@@=
4;<6<:880A020946HC8884L1@CDG8JL0<A4949098346<94A0DHJ820C48@EDGH7@
38N8DH1D;@K8<D5LC41DB@60>8M070E4J<NHH@>8<8G8G@C4;<>8J8G@>4G<7<<H3
H98A@346@K<I804L<4H;4B4F07@7@:HHLF@@HIL4H9LC@70F4A4640H3H6<=4E<@@
I@2L3440@8JH0L9H>064@4I@9D202<G@9@>02<7@9@602<5H6<J@E0;4M0I0H@:@0
@1L6<B86HMD=4N<0D1H3@78>8<<=D2@9H=H20CH5L=LI@C07DK4KDA494G404?4DD
:4AHC030LL6HIH1@C<60<L24O@K<C06@;LHH2H88<@1<9LB@6H=HL@D@8DM4:80H=
L5418A<9<2848<8H814B<A0=HJHIL1DC<30601@5D240<OH04$000@H8J0E46<0L8
@382060806@:00008D@3HD@B@64B<@@=07<408@H02094G<N@LDJ4B06L=DL0J85H
?<I4;@D0@@B48<HL94CDFHDL6D4<4LDHIDC<74=4M0D@?4L<FH>478<H3H18AH3<6
D80K@I0A454<04D1@C<78<D80I0J4242<LLAD4H=LI0B@<4:<HD=D1DML>8?@E<54
>@<4F88L9DH8CH7D=DGHH0@48<8L1HA0D0AD38N8H@A4:<?@5<7@;LKHC064?<F84
D3<B<>0L<N898CL3<7064AH=DC@346H<4IH48O0FH64=4GHA@5D0@I02H>4B@6H=H
L@D@8DM4:80H=L5414A<9<2848L8@D946@6HK<MDG<1498D8ADO@=0<8L@@LHL9@K
85844N<8D<H8@1H7DM8@DHL?874<@FHB<4<4H?0;4=L4H?0;01L4L7@G@8LF<7H>0
H@A01498JH@L48E00HO@0<$000@806@:00008D@3HD0G@C4B<@H9HC86L=H80D@J4
640<0@1@2064<0H@E00448HLA@C@<@0D5<<4K0J@540<88AHAHC0FL4LG86@?48<D
H1@C<58=H=<=@MH74<<;<9DD42<@H9HKDK<L8C89054<<4H14J4>H80A0F044B8M@
J8LH1<3@70>@L@@010K8E0449LC@70B4A4=D@DLLI<3<6<<H9L>H>L<8:8=H80;H=
4B@8<4HHHG4AD6<H<4HI@;40@OL6H4HIDBLF4@D20K4H82<DDAD3<74=4:4G8B@H4
;<A8H8L8B8M0I<D<44=LK8H0DD;DNH<84@248H1H3D4L>DK8HH@D60A410<H;<74<
8K@0@4D24D<9004ALC4F@:D88LHA<I@A0CH2@:@B06004AHC<L0<D@8C0L0<4883@
584<C044@HI@402H9D:068H<9D6@H@EH<<A@1L948@ADJL:424<D4H2H4<34:4F4I
4H8@DE0@0?L$000@L@@0@004D8@4082040NDJ0LH9<347@>@L@@@04B4BHM@J8BL8
L8<KHF@@49<G<M@4D><@4288H1H3D4L>DK8CHI<A@C@C06H=LLHD@D4B<LHADK<HH
M4C0?4?864<@I@G004080L9H9@0D5<<4K0J@540<88AHAHC070AL6@?48<DH1@C<5
8=H=<=@MH74<<;<9DD42<@H9HCDG470JLNL9054<<4H14J4>H80A0D04428<L5470
>01<M<9<K4H@6DH4N<LDAD34F<>LKD=<6<>4ADN898<<E@2<3<<L@H9DC0F<N40<9
D;@BL6@;LHH2H28<@8048I0GD:4=HL@D@8DM418:8L8B0440<8@AHC430>L@<@L70
<HD8A80<4LG870NL78D870A<5L:H@DD04DAHD81D@H8<6@9HH8F@543<J<0@>428@
@I4B<4<78L0G@D4A<647L@8K0<8J0A0;4L@<8K@8@2<?<B4H4;4:0JL8LIDG8E014
G<F020148<4L=@?@A@14KHLDK4ADC0HHF0N4@@:@28?444DHB<386D=8281408OH0
4$000@80@0@0N8<H9H3878=4KHG004B48HHL1@206080H@A0444<0L103@60=H@0=
0D0F0L4?8F028@H9DCD6840L@M0A0?4?<D89<B<6L<@I8F0E4L8FHHHLHCH6<FH2D
B460>@H8@0B00888@@90F8HLJ@4HJ4E4?<=4;@4454<DI@4@44C898:D<828FDO8M
8;06H:LJ8I0546<:L?8MDDD6DMHKHBDIHA4FH7D>0KHHH><6@<<44B0;0BLI@54><
:H;<L40044<<LHGD=8L@4@C<AD?4H<LH9D3DG4?0FL4LB05L=4I0L8G<G0;D7L;LL
0@010;82@=8D8K02<=H2LMLF<C4A0=HF8G49<<HJH@<I@288<6<6H@LF8M<<088I@
ND<D88<H:@4L2<K4>D64=@H0A@O<4<F83@6HH4:HNHL44@346824<D4L6<F8@L@H9
<=0D8G8L@4HH@;@>86<8@8L2<:4DH9DD8C4IH40I<9H6LH<?D6L<4:0B89@:468L0
3L$000@80@0O@60LH1DC<6L>DL@@0900<080HA00H18KDN4H<CD6@>8I8?@948<2H
KLHDID3<F8AD@40<481010246H8@J86H?D?4C@7@=4BLGD<@6H>0KHI@ED083D6@8
0L00044N<4<4H@874<DIH=8E<3040=0J@G@;L9@9@><E0G4104LH@;@B@N<H@L<9D
2@2LI49@3<C<L0M<1HC4:444F8H8<88H<46DH4JH7D64I<=0LDI08@:H?09L9D50G
<0@4HJ@;@686<58D4A49@;8688<;864H4K4JDE<=04HD8E<=@HH4H6<<00HMHH0I@
984HB@A434789H0@O@0<$000@LH@090D<@<0HA0306<80NHH@E004080HA00H1880
@0J@H<C@68<LJ<9@0H103@40<@H@4@O<A@?4H<LH9D3DG41DHD2DG<B<8H9HC45L=
4I0L8G<G0?48<FH64>0800@044408@H90K8DH5LALB<4LMDF8BLI@0HIH;<>4=<>L
94F4A4M0J80HBH@@306HA<?494B<64@<4HM0G8M<<HC4KHMDE0685@546<<@88K04
D6HD4LHJ8JD386LID8@>@M<AHHL0@1DBH=HKDML4DEL4HB8;<=@@H3D<@@HKD=8BH
9D:L0H;L0LI@A@0<64I09828J4I@209L9@90H<9LE0G49<<HI0AH4H1@H@8<H<4H4
@;@A8246LL4:8H07L$000@<HA000J4800410B074N@LDJ4CD6@>8I8J85H?<M4G40
LIHC<7440J8M0D00488HH1@B07D74?L28EDLHB@74C<;H7080JHALID6H?<<8I0E0
K4;L0L6H=HNHNLI0@094:H38N<@HIDC<78>8M<1@4@DH=4?@N44D1D;4?@2L6L=LI
06H0H1HA040408@L0@@CH<<NLO8CH8D>4=@C8H@E0G4<<=HBHL<?8D8442<28EHHL
B@4H;@2L2<?8EHF<G4G8>4:4<8KDKLB03060L<@0C830<4@HIL046H:43D802<?81
HG0G468J4C0@H<HK@4L4<LL1HE0:42<:@;0;86H94K@I@D46<DD1@3D78=4K@MH9L
=D9470DD943DFH1D=0;87L<DL@D8;8D8M4J4L<G4GDF8L0:0I40<2LD4A<BD60=@M
86H9DEHC8F4O0G0@0242<8L?D:<HHJH;L;4J4H4I@5D90<@9D4D<<D@AHC<648LI8
G0@DI4F<C030EH@@F4I<L4JDE@G@3060>4=8C4B8DL9DK<889L9HKHN<=0A4I4D@A
8C<6@>@4<7068B47DN4<@IHC06@=@K0G@=DLL1D;@<@:H@0N8:H94NDK@>8MHL<68
00B<KD14O00L$000@80@0O@<04D1@C<78<D80D@J4<40<8@A@3<40<0@0C0I4C<0H
18KDOHH<B@6@?85L?0:<=HJ4BL8L88KHB0549<G<M@4DF<4028@H9HK0L<A0:40<8
@A<C0;43H<4>L9L1@C0?8A8E48L=4842<54D85<=LL@B074:8HH5D=8;@:05<3@CD
68>8A4KHK0MH7D94K@D@D4B<FH:0H@K4640L4<=4K@G89<AH3@74I4GHJ@BLJ@4H6
DD<9D>D;D9@4@6L:4B4:<@L1H3858<4H@F08DJHB4B06L=LK02@H40<8L1HA04040
8@A04@O<6@146<<L5DF86@C0G@74B<<H9@J0;DBD8L=LD4A838DLG4<4EHKD;@68<
@8H<8687L28OD@HF0?46<<H9DJ<N06D:HBLE@L07D@D0L5LNHA0>46D=0B@5D0D=<
LH80ED7<48=4M@4838;H6H:LJ8G044N<LH9H286L<HKH9884H8>0:0KHI@CDL<KHG
01DDDJ46@3HI4I004H8HHI@@8G@M<0HA02H6L>86HEL@DADC81DB0440<LH7@>L0<
DHFDKD;D1L7080K@F094G4;L@85D3L><M0CH7H98309LLHA@94H<@H=D0<HHG@@43
<8@C83464I04@C4I@903D6L<<8<M0=4<D2<K<E8943DFH4DD@94K4FDM@=H64LL04
C8<@?<HHK@N@I8A4ID34I<G@=00D94:89HFLC4K0MH@HJ@M4;<:0I0C094NH8DF4N
HK8E<A4D0<4O<<H9HC8G488IHE@?DH07L$000@38500004680L4<=LM8I094:<8H1
H90OHMDDDLL?<JD>48<HHA0C@68>480JH:L1@3060<0D8>DE8L84H1DCD7440J8JH
6LK4I<94CD6H90H8I0=4?<BLC@<@2LE<LDALIHB@64<4K0B@GD5L4H4D50=0H8I@5
4:<FDA<5@GH1LB<6@=HI83@B42<0H1H;8F@;H9HKHB0EDE8D0<@A<GH7@18684@A@
K<N8BL<L9HC8G4E04HC088FL8@J0<D6<48NH<DM<<<88ELAL6L>074AL685<<848F
HLH=@<H<8?8KD54:<0H1HBD7@>024>@G0M8H@B@B4;<D<ND=434L<8@A<:4509HB@
M<B0604<JHC@@LB@8H5L88D0:@@D>@8@4@IDK@<8;084J8G@>41<5@E8I490A@4L>
H3<<@8@4H38FD>8M<KD0HH<4D0HELD45DND=898;<6H@46D140<OH04$000@I8@09
00<480HA00H1880@0J@H<B@6L>DL@A@=D8@202060I44H9HKHB08D=044DDA@;4F@
5H:0M0I@@4:88HIHB@78=DK8@@B4B<DLI8C@68<@AL3DAHOH10?HJH5H8LI8G0EDB
L60>@KHI0HD8DJDBL8L:0M<549@C<68>@9LL@9HC468>0=4GLGD<@888<KHF@@4N<
FH58K@J08D>074<LADL0J8N@C488FLKD;8B0A<J@E0A03<F8A0=DB8G034K<30G47
01<=8G8>H5D6H806@0D243428HH9D306H?4LHD@C4A<EL8D8D9820DL<@=<9@?@84
L4I0F<E@G4=DM@78?008@L9HK808<H5HK438D<KHCH5894@HCHBD9@;@9LM<A098C
86H<DN48H9DDL6L>0G4B41<306064CHKHCL6LEHHL@838AD94FD34B@6L=49<DH5D
042<E4?4>8AHK@I8F@@0:42<JLE@9430G@>0H@58GDN4@8G8?8M82HI<6@C85<G4<
8G8:<I8ADM@KHH8DL?8=<I8A0C@68>4:4@8D@CDE8G0948<2L84L0:DI4C@9LC42D
64B4C<><:H6<F4KD8<?D:@N8H054A<28A4B<78=DH@AHF@6464C8:@E@6HA0IHB@6
4<4K048@0?@E88<786HEDC4ED5D4<>DK@A@ADOHF4602<N01L$000@80@0N@44A4C
<54=LM8I034:<0H8@202060806@:050;D80;0?4H<@H9HC0F<AD940<484HK4HDI4
3<F810@DD@B@64A<JHLD943DG8=0J4N@LD24J@18:88H9<3474=L=4DLGDO080B8L
8J<9LALD<=07DB@D8ND;018FLDD@HBH2074<DK@J0GD5<DH:H286L>0A<9@B86H>0
I8B014L<<H9@;4?@N<9D189L6L4<=4K@B0AD?4LHL80<9HKL303<FDB4B06L>@J0L
8K8:88D9@5D04><J8J094<<FL5L5LE8:8H4@H1<?<A01@8D:0IHK<@8M@ADK<5034
;<=0=834B48<HLA0C@68>480I0HDJDDL?DE8G05D:8><N4I8E@AL6L>074AL685<<
848FHLH=@<H<8?8KD54:<0H1HBD7@>0240@H894CD6H<8I8I0EDJ4O8F@G0<0L830
FD@40DILC060=@F498D@D8=<;8M0JLJ@J0<8HD2H3D7L3DJ<2<6<:8M8G09D:@68I
4:H:@<L1HG4<HO@H8D44HHHD4HDAL5@KH?D8@J8I@D44<4LADC078>@J8BH:<0@;<
4<N40@J4:8L@FHC0LDC4B<2H845H:@D@0@>498FHHH10;<:070N8K@B4ADCD<<CHH
0ADKLLHB8EDHDG0@0?L$000@80@0N@D498B84440J8@0B004D8@488=4O0<418CD6
0>8M0:094J<DH1@107440<0L87<GD@4I<AD;@H0@0242<JL7@ADM<D41@C@58><I8
B07D9H=@IH=40HLD9D386L>@LHKH580H9@D@LHI4O4=0<8B@=404D<4HEH;4B<60?
0L4A0:D?84L;L;@CL40>DA<<D38IDBD;@64KDO828E<408<1<4<78=4KHG0C49<FH
K<A<D@544<>8I8H@8D14B8>HE8L84HED9DA8D@<@IHDLI@A8C0I0ID74E<C4K0=H>
LI82H3458?4L0B@8DA4H@94CD6H<8I8I0FDA45D:D;@6<E<1DD46<<D9@306H<D<4
607H3D:454J<FH08I0148<DL=HM4>HK0F@708HKL54=8<<=H0D346LN4ADA8G044A
<K04HA4C<64>8N418>HF81H2@=<644L=LI02HA<D0G02H8@@H@@>4;<@@N8I@946<
2L=L0D58:8@8704D;<<<N810A8I42<J<A0=844LHFH64<DK@J0?4183L6<08L4N02
0N01L$000@80@0O@20<@I03<70>@J8G@>46<0L8@0<@D=HO0<45LO4MHC4884LA@3
@788HL@B@A40<881HA0C0I0CDE8G0948<FL38J8@0@0A4=L;LD474CL685<<8486L
LLE@<H<8G<KD54:<0H1HBD7@>0I8D88@L8D@9H3<64<DL@:H=L?D4L:L?@4@:H3<8
8<LI8C060=@B<5DHH:4?D?49D8L:@L@@@5DF0J8B@>48<BL:HHDM0D@98B8D4DL40
B<M@=08<:494J<FHH8I0HDG460BHLD6H5H<0H0H@O06@=DL<C@58><I8B0HD;<6HE
DD0G@94L<@HEH;82<D4>D>8FD9@;8H0E094FH=8280H5L?8O8J834IL0D84M8BH80
5<;0>8H@N@>8N8@H9@;4?03048AD;H0@848HB8H@BD6L>8LHJ03428FHH8D<98@8I
83<6H<D2LAHF4:46<HHD8N4>4A4HD8D6DF@AHK0@@D4A<L00<58=0L@2H3LF@1D48
A<6L1<J4F8LD4H1@C<7@><J8482080:0;0380<=D901474L@B@ID2474<4L0D0EDD
D4@=HI@G@BDL8:@JL@0?L$000@809@84N<LHAH3<20=480H000J4800410B07D?D>
D6<4D9DC<78=@H8J094N<HHID2<G0G4I@BD>H?<LDK<8<LL1DC<68>8H8G034:<0H
@@K@M8>024B<M0;<4<<DGHI@D4:<0HMH?D<8B@=4040<4LMD2@8H=@D<=<:8K<H@B
094K<A@84><BH=08<B<=0;<2HM@CHD<D@A@1464CD=43<346D=43L68<DI@@@44C<
DHG01H><24784HM0C8@<040<4H24L<;DMH48>D74J<4HAD;<2@DLH494<<8L9H;49
HB8E0?D;<H8486<=43<74<4K8H0AD18>4KH7@?LEDAD9D88IH3@6@>DK@J0>D285<
943L2H2@=D<<4@346LA41H=HKHF@HD>LB0E<24283DM@G0DDCH@<<4B<E0J<4H1@;
H=498I0@H1HK8B8;4DHGHK0EDODO0=@@H9<D8B<C06L<@I8?@>4:<DLID2L70=LJ8
:HKHK@E44D0H9@H868<4M8BHELELAHN4GHG040GHB@>42<8H5@94C8>L8D9DD49HC
8F4>L4@1@8D4HID3@70=@H8L@O4N80H1H;D9HB82@HHL8;89HL@D@74><DHA@;@?@
F82D=H1H;D=@=<D8BLC<FLBD24FHB0J@HH70>8<0B<DH9D38G8G05H=L1<ID68<DL
H9<C<68=DKHI0I4A<F<ODH@2H@H9@KH:44D=@A<105H34;<2@@LO<G05H<HE<=L=@
6410682@BL@HKHJ8NLLH9<38FL<DMLM<?H4<A<:D7<H<I0O<B4543<M42<N0FHNH@
LE@183HN408LLFH:0O<38OHH@4D;D20J@C4;<<D<44<7LF8F4K0C@F4HDDL5@0HM0
=LF4F028?8<80@O@0<$000@<8@0=0D0000@I03@K@J@=4N<0DIHC<6@=HM0I@04B4
0H8@1@3060=4D<74<4K8B@O468@L9H34G0=H9@K<A@?4L<HH9H30F4M4N<DDA@K<2
HML9D<@C4KHI0CDIHF@5DGL6@=DD89D3878=@<8L8?D?<1<C4FLE0A4M<80N<1H68
=8<878K0H@4HJ@4H1@CH68>HM06HEHA@;@4@?L2<GDB<189@68M@7<GD@42<@H5D1
@G498=L>D40FHB<3@F894C<FHB06<0L9D3D6L>@74:488<4><L@A@8DJ<9<C064<<
M0L8I8A0I4;<=HLH<8@DHHIDC<4L>0B8E8ILA4A@M0I0I48<LDIDB06L=D=<JL14B
8A85@0<<DIHI014K<8HB<68>@J0G@449<DHJ@6LK<DL?L04OL$!59db144e