共基极放大器电路图.ewb

Multisim2001软件的仿真电路实例261例

Electronics Workbench Circuit File
Version: 5
Charset: ANSI
Description: 
"共基极放大器电路图" 
"        共基极放大电路的输入电阻为共发射极的1/（1+B）倍。" 
"        共基极放大器的输出电阻比共发射极电路大，与接有RE的共发射极电路相当。" 
"        共基极放大器的电流增益为：Ai= -a    （a为共基极短路电流传输系数），该值恒小于1，但接近于1。" 
"        相应的电压增益为：Av为正值，表明Vo与Vin同相，且其值与共发射极放大器相同。" 

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<@D0<DH>@BD98:<L0BHG<6@<HJ8A@BDEH3@=DILJ
@O89<;<:49HKH@0B008888@B448:L;8H0B0K46D<<0H1D3<5D<8J0I0:48<4@5DI<
7HG@58EL=8G0A044B<50:0L@AHC05L:8I8I@D4;<G4DDNL=H><=4<<48M03H4L<4K
8B@9D288LK0G@24;<2H80<8M82<54E<<HD0@@C46<6LDD64?DC<8H0L=D?8D0J4H4
@D1<C46L><K<50;<2H64OD5<AL9D307@84K0:HI008C@>DCLH<2<G<8DFL7@B454A
<=L;<L084=DA@3<G8O0EHJD2H@HI@2<6L=@N8D82@6<28DH1H3<78><:4K89@E44<
2HDD@LJD88EH9H;4D@:89DKHBH?H0@>L6L@H90C874>0:4C81@1478><4<745LA@;
@6@5L4@>46<2LH4D8>4C8;D?@1L5088CHH09D;DDHO83@@8708DM8;4L<M85L3D64
=0KH2LBH4<LLJ0:LHLF8<4B88HA@K@L8B82L@D=0C4B49068NL9<?DN<HDB@68>@M
0FH>DBH54B<I0<D10C86L=4HH8HI8DD<0LH2H@LL4I0LDEHE@C4084L=@MD8414><
DHA@2074=<>4O8=<K87074=L243<K<@<@4J4>LB4040<4H6LFHM<O8B8<02<0LKHI
DIH90AH:L4H@@14@4HLBL60=@:DB<@0?L$000@80@0I@04983074>@C@J@=40<481
DA038403850J@CHMH28DHID3@20>8>@J0A004488HC42H64=@FH0<0<<H3L10C0C0
@<A<3<6D<DM8K<A@C478EDGD2D6<J<:47L64;@JHOL=4N8;D?8I4D@<LD8DLL<LLL
@=<58<H><<H98IL4HI4G094;DJH:LHLF8@448DLA@C4F8?D=HHHB@C45<2DNHJ898
9DKHB054G<?4FL74>L90L8HHI@K<DHM0A0E4BH<H:<H@J@0<1@3870=8K@F034CL>
<G454=0KHK@>4?848><B<58MD<8L@AD3<G83@704HO03H4H<4H@B@<49<OH64GD?<
C@@@=4;<A8D@@020248@9HC860=@8@L8;89D94D<6L9H=8242<H<CL7D:@N8H09D;
<H8@D741@?4H<LHAD;@C<LH8HI@7HC@C0<H?DA4>DN@1DNHCHDHD<5<=4I<@4C<F<
E0N8=428HH9DKDJ8AHAL5H903D78=L>4@8E<5D<<48F8O0:8:8I8I0?4K<<00@NL9
DD4B<@H1D;<F@2@A0B@<4:<JHHDA4HH;0J850;8?L=DI828I@9470G440=<0<2LJD
@80@6@C4B42<J<LHIDC@F@DDL4ADK<1468=0BD4<0L1D206L=8<8H@<<FD80E4:<>
HI0282<<L<<><:H2DFL6D6@6LK0AD=<GD2LK8CH7H1@E@4<DDA@C44@8@1<0H2048
>8<8;0B@D@C454>@H8J0E46<:L2D1@O00L$000@2@@000E4@L6H;LM0H0D44<DL10
C<68=D800@0444<8I02<4L9H>8?0@444088@8<F8@0346H<4IHI@04B40H0@9H;@B
L6@;LHHG@>48<0H@@3@2060N4=DK@I094A<M<J8BL8L8<KHF@@49<G<M@4D><@428
8H1H3D4L>D9<<LIDIDI0A4=4N<<H9H3878=4I<<<L<>@I@7@GD3864=0@0G0:4D<4
H;4H098306H>DI8BH7<3D64>4KH=0N8@H9@346H:DK@JHN0NHH@FLKH1<=D9LCL=0
A0N4=8ALB@68<HB820AD<H<8<86@90MDKL6<@D9H3078>DD<=4E@7H24D@204<@H:
L;@A8<054A4C06090F40474=HBH643<6<24DDK0N@50708L9@NH7054JLB<9@5414
646490F4A45H98@LL44@9@K<J848FD=H646D:4@DA<9430F4FDC<98:8<@28FDD4E
L6H3874:L;<1DC<E0=8C<I4?8@H8LND5@8DE0E43H0H88@@D0M8LHH8DL?8H07L$0
00@80M@04J4800410B0?8@0288H1H3D4L>DK8@0900<484LDHI<C<74=4M0D@?4L<
FH:478<H@0@004D80HI@>H=HI@H@2@F028@H9DCD6840L@M0A0?4>LD89<B<6L<@I
8F0E4L8FH@HLHCH64FHJDB06L=DK8CH7HJ420L<J43H54<DI@4@4408481010248<
CH70>4284<@H90F8;4;L<86D@D9H3078>DAL3<2L2<B<60<8I<<86DJHF0G850AD;
<48><C8ND?H@<9<G<48M<3H2<4D;H>L6@>0L000:40<@L9@6@KDJD0024N<<<GDNH
H@@@84F<ND4@:<98889@><:H<4J0F@H<>028DH9DK4M034:<2<6H<D2@C4A<E4BDH
@=D:DH054O<H@1DCD54=LM8I034:<>HID3L0DCD68>8LHH8L4E860<<AL3<<<N@F@
=028LH1@10G450;DD0D0146<>LDDL8G@K@8<4HID3@78=LA@H@8@94HD9@9@H@:@3
<1<:<5868B4:8B4A4C8A89@H@:@E4L@4488GD70?0A<00?<<8J000<4D<0H9DB0@<
7D6<44085<K8?@D40<@LAHC@48=@I8F@9DJH@0?L$000@E@H@N0088<0@A00H1880
@0J@8<C<5L<HK0@@746<0L8@38206@>4;DJ8?@34N<HH1D3420>880H0H@FL>44<4
L5DEH9<;L3H1D?4J<0H5HMDF8BLI@0D983074>@C@J@=4?<206<64;DKHI@948<4L
=DO4=LB@IH8H:L:HADC4MDK@B0B4B<5@<04D1@C<78<DI<NDKD<8H0E@OLCHC0<@E
L4H=LI0B@<4:<HD=D6DI@>D>H68=LAL>4MHCH=8?<I@8@8<A@LL?<D@B@64B<@@10
A040408@1@B4A4J46@FDF8H@LL4@9@K<684HFD=H646DDHJ0148<DL=HB@1H741DL
0@@8D0<6L>0JH8L1DC0307H<D1DH@H@C43<DL=<=@=<10M02H8L@LD@;HD4=<>81@
@LL<9D@H0<<H7<6D=848F878C0C0=@I02<4L9H=@@8AH04=8H8<0H064M80HIHGHC
0300<88K<:8:4<8H8A@><=4;<1<H<2H18K014O00L$000@KHF@@40<D8@4082040>
<K09<IL7D:0H8I0D4L<D@9H3<20=480I@I0A4=4N<<H9H3878=4KHG0=DC@AH3440
<0@0I004@<0H103<6H<HB80DE@@@<4:<DL1@107478<8KHCDM0J8L@1DC468=@E8G
0EDD4G4<LA@=D6DF@N@F@7D?DD844HHE<7D:8I8C094880@8@202048=@A04@O<N@
4D:H:<M0@@D4:<NL=0>4B4F@O4880L1H3D748DK0B@=4C<E@E@I0N0082<B<?<ODC
0<42<LH=@N8D0A4M<B8LHI<K0:88<FH10L8B<=HB@3<74=4>4;DE4ML@H88:H>H6L
<85HG<C8C0@8<04@7<C@B0B@CD:@B0BHCD9@30L@<HF<0L0LIH7HC0C0@85@NLO8D
4?4>064<4B0<8?DJL0@9@E094HDI89@>@I4787H4L<4K8BH24E4>DA<E4A4587H4H
<4H@JH=H582DA4A4E4BDH@=D:DH054O<H@1DCD54=LM8I034:<>HID3H0DCD68>8L
HH8L4E860<<N4>4DL8DB<60<L2L80A@OHJ<0D18C860><I8L8?41H4@L03L$000@8
0B0946<@LIH3<4<6480D@04040<8@0<0D4080N8H49@A@4H<4IH@0B00<484HGH1<
2@6@<4LHB@GD5LFHG8DH482<542DC4E0E4I08@9@DD5LELM450A4K<A8B4:<DL9D3
46L>@=4C4GD<@0H:0H8I0D4L<F@GHNL149D9@BL6L><C<D8<<LH:4HD@0840<0L10
3@6<A4LH6@D844=LK8H0@D5L98A@3DAL481DCD6@=LK@78KH0HL0H0;4:46H=HI04
@1<;014H<DHMHBHJ<:4F<?H3<0DJ<8L9@?H9DKHB054H<DHA8K<=8ALC<EL544D64
78KL1D=D1LB0=0A0>4=<ALB@68<HB82004240@@@10546D8@48I8:8H8>028DH=D=
4B8;8FLC038:<M0@@D4:<<L5HCHBLC0@@24;<G<E44@<D5@:43<48E8C<14@<M8I<
9<1HC40DHL1D3474J4:@GLI@L4:8>DODI4@@CH=8@HI@0@1DJD1@B41474JD<8N@A
8D038C@MDJ@E0A4E0C8C070=LL8J@A0=D1D0DED7D>4L84@0H9@>@6D<8>D1@O00L
$000@80@0O@J0DL@488?L801@?4J<0H1H90CHMDDDLL3H50<4L@J0>4:8DL1DA06@
40>8<8G8G@C4B<@H9HC86L=H3<DD<<0H10C01DH8K4IHADC4C008:HH8F0E4:<0H@
@3@3D64ML9H>@=4N8@H9@346H:DK@JHJ0K@6<HHFHKH0<=D9LCL=0A0N4=0ALB@68
<HB82004240@@@A0449LC@70I444B8M@9D5DK46<@D9H3078>DAL382L24B<60<8I
<?HNDJLA0BDFL8@FHJ0JL1LAHC@MDJ@E014@HO8H41414OD88KL006L<0@8DD04=8
@8AH04<@H8H<1H6L>02H3@74=8D834F0?H>8KH5L4H1@0HEDMLA8@4146D0<;4B4A
4=H:@HLLL4@9@C<F8H4>H9@9DK0:0DL505HGD4@=HE<089HK44L=HM09@?4:<8LIH
C0F8=<NH50M0B@B46<2LM<=8H07L$000@2@@000I4@L60<<80D@04040<8@8<;@A<
4H<4IH@0B00<484HGH1<2@6@<4LHB@GD5LFH38C46@><M0G@64282<4D2D6<6424:
<=D5@9@E4I08@988D4H=8586824:<M4I<=<7838N8DH1D;@;8<05L;418983074>@
C@J@=4?<>07464;DKHI@948<4LID3<FLADJ864N<C0>0L@=@LLHH9@9@045<<4K0J
@KD5L78<8L8O@J<L@1DC468=@E8G0EDD4G4<LA@=DGD0LK8CH7HJ420L<J43H54<D
I@4@4408481010248<CH70>4888<4@D8FD?<DHJ0148<DLIH;@C@C844<880C@0DN
48HI004@<<HH4:<D<4HI034D44H4@I@KHJ<LH1<3D70>@L@2@<4:<DH5D:DC42LC0
C00@M<H41@C<60<LB4F894N<<D=@5440A<DLKDF@>44<4L5DEH5<8@D@A044=@C@0
@3<<04<0LIHGH386HJ44@:0F<?HI<E43H64O4L<D@?@9D5414646490B4A45H98@L
L44@9@K<J84@FD=H646DE4>00<OH04$000@<0@0=0D0000@907D60144<DH1@3<20
:880A0B0:88H4@=DJ<BL8L8<KHF@@49<G<M@4DF<@4288H1H3D4L>DK8@0900<<88
H9H9@C<6L><J8J094N<HH=DL<>@I@00;4CH=HH@D0K4:LD<4H;4H098306H>DI8@0
B0D<4<0H90A@8LC8G@44;<38E8G0EDD4G4<LA@=DGD2LK8CH7HJ420L<JDKHD8<84
H14242084A<B09@H8MHD@OD?<DHJ0148<DLMHJ4L848=4N<@D1H3@78>8A8F054J<
6H;41D?4L8H@141@5L606414JH@<346H<4IH48<DB<LHI<K0:880FHA0D<F@>44<4
L5DEH5<8@D@10B<0@<0FH><2<4LA@<04@84=<2D2828BDMHF8G4B88H9HC4G4J8C<
A0MLMH;D:4ND0DLL=DC@8<0<@@I@4<A0>4F<C<=@6DDL=@0@8H<L8<>0@0F0A4M46
<LH1DC<6L>DL@L8?46004?@948<2HKLHDMD38O<086LLHH@;41LIL2L6<<4HHJ0?4
4<6LK@L<48@L1D3@68=8J04@G<LD@DDL7<JD68G@4H5@?864A<I@9@8@2<NHJ0H@F
064J@9@B02<KD0@64;@H0D0442<0LA494M<4<6@M<1<O00L$000@3850000468@L7
<=4L@B@04I4F<GDN@K@0<LLID3@20=4>@J000640<8@1@B0G428CDLHB@74C<:H68
80?HH094NH34N<@HIDC<78>83<08084HK46@N4?D948<2HKLHDID3<F8AD@40<481
01024648@B8=DN0?@642<<H1@CDFLJDKH2<H<0DA@3<6H>8I04@C<LD@DDD;4;L50
;0GDFL60A4842<LL=DF4C@ID5D;LM4FLE<B4F<?H;<A8<42<J49@64<888K<:@60;
@L@I0<4H<@H9@;0I@6DH<<HM4@LC8G45<M44HD8E4FL?8@<64?D84@<C<J4ED1<5D
5<J@K@:L6<B4ED406<3@1<;D5<I@0@745<;8E0J45@K460C@1D1L6@A<B4D<4H@@5
D0@2<682H@8L408@L1DC<7D6L64JH0LO@0<$000@80@0I@L49H3874<D806@:0E0F
<GDN@K@0<LLID3@20=4>@J000>40<8@1@2068=@@0@094FHC8:<LH=@?8I4G@:<1@
C8C08H<<KHF0?4:<8L=H@<>4JD2<H8BL6@<@N4;DK@G@44K<307040@8@020448<4
@K40HIL2L6<<4HHJ0?4;<MD7D64I46H?424K<N@LD64C@JHH0G4EL>8@0C0A4=0I4
AL:0FH089@30E@L0488HI@ALM0JHHD6L@L@@JD>8=HB<3074<4L00DC@D0<@?4:0L
0@43060IDA<C030E44D>09H486D@43H=<1HBL<@H8H07L6DD4=@ADC8D0<D9DH07L
$000@J8M0D00448HH1@206080I0M@A804D8@4082040ND60DLI@C47440M<8<0H10
C@1DH494NH34N<@HIDC<78>83<?8AH8@B<7<=4L@B@O4B8@H5@GHA<C<6L<@3<0<0
L8@202048<0A04@K<L0O4<84HI@3078=LE<GD0L@HA<3@6<<H?H4@G<LD@DDL;<;L