射频前置放大电路.ewb

Multisim2001软件的仿真电路实例261例

0H@;4181HK@H8188@J08H1D?4L8H@I49@=@5<G@48H4KDA4JD7DA<148L9D<@64L4
0@3<646D146<8HIHC<D@DLAD58784L<4K8B@ADM4=@F@ED@H2H>8I@D@HD;098I0C
<G8DD6<I8D404D8<D2@2DD<0H1H3<40=HK0C094BHD0:88H9HC<6@=HH8F0>DJ45<
@0D0;47L68=8H8:0F0GH<@NHFH644<4H1@0DM<1<<L18F@B0148<@4C4384@3@44H
0B@4<H@903L4<N0504@@LF<?HF4=@1L3H4@0LB<20<020F00LAHC<ND:<8<4H8HG0
L4F04LL03L$000@I8F0E4L84H1DCD7440J8M0A004080HA00H1880@0J@H<2@78<4
M0J@GD5DEHA4B@68<HB820=D0L@@103048=4BLGH7@38N8DH1D;@K8<D5LC41<B@6
0>8M070E4J<NHF@<8<8G8G@C4;<JHJ8G@>4G<CL<H@0E0K4403@70>0@0F0448<4H
;4H498306H>DI8@0B0?<G<346<<0@0@0A4N<:8B<6L<@<4F0F<;<7414J<DH=@3@9
@702L8H:<90A41474><<8M@A06<<L?45DN@=H2H?86D=@K@8@6<<LJ4A8A4I430=L
?4B@JHB0F8C@:DB85<?<B8G0ED1870<DCLG0D46<LD9D3D74<<I8=HOLD<D0:<8HI
H;@F858HH@07D<4HHL8L<9HA<4H<4IH2H:43@O<DH1<2@6@<4LH=H:H?@6D68=4LH
J0?4<<4@4H9858<H<848DHK8;0C0:8B4A4B@A89@J@:@<@48DH98K43L485@6@4<4
L7@E@B@0<0HIDF4=D4H585<H<ALGDF0>4;H9D1@HLFDO4080L1H3DG4BLE8@42<JL
0DILBL6L<HI@0HM8BH<89@D81DI05<ADF4AH=@C@346H<4IHHH2L6@=4:LH07L$00
0@80@0=0N<4DIDBL64=LK@B004440L0@1@201D2@6H:4AL=4L<8H9H;8B@5H<DN0J
0B42<0H8@;8F89<;L3H1D?4J<0H5HMDF8BLI@0D983074>@C@J@=4?<5H7464;DKH
I@948<4L=DC4=DB@AHC44L2L0<8LIHFH=@L@G094:HF028@H9DCDF8DD8L8L9@C@6
LC8G@44:<@H9D2DFL6D6HNLC@F4EDDHJ0148<DLIH;@C@K<?<D@B@64B<@@=07<40
8@1@?4L8H@A41@B4<@4L7@<HJ8:H14C45L68800@ED9LF8648@9@602<3H6<I0A0B
4D<0HA03<74642DH4H<1@6464:H=<N<0D1H3@78>8<<MD30I04HFH2DCH5L=LI@C0
7DK4KDA4<DGLG@J8M00H9HA@><3<<L@H9DC0F<N41L9H7@=D@844:DH<4@DH3070=
0J0;@9@6H8494I@?0K4;<I@>D<@2<=<802HE47DAL58B83@68:48DA8ED1HJ8480D
O@0<$000@M0D@?4L<0H8@383D6<80H000244<0LA@3840=HFH0<D8@4082040ND<0
4D1@C<78<D80I0J424N<NH8@BL4H=LI0B@<4:<HD9D3878><IL34K<=818CD60>@M
8KH2HJL8@98346<94A0FH0<88@@1@B4<@BL6H;LL0H0D44<0L8@J08H1D?4L8H@54
GH2DCH5L=LI@C07DK4KDA494G404?4DDJ41DC030LL6HIH1@C<60<L24O@K<C06@;
LHH2H88<@1<9LB@6H=HL@D@8DM4:80H=L5418A<9<D85LALC8@@344<LL9DJ8J<DH
EDNHB8;47414J<DH=@9@4LHLI@3<G870M<10?4:<FLA@8H446@80F@A@>8<8L0H04
4F<I0J@C094BHD0:88H9HC<6@=HH8F0>DJ4?8GD>0GDH@E0148<H4E8H0C4MHJL8@
5L?0<H40<H>HI4@@4<@DC4;820AHOH94N8K@5LA4;HF0L4ND10:<7LC0>88@B48H2
86L><M0I0E4J<DHA@3<G8E028@4288H1H3DDLNDGDL0<<K@0DLDID;@H46D3468DL
4L3@6L=H488D6@L@9D3<G0N08DA4D4MHD<909<48A8A@306<K<F824B<A02L9@206
D508L2<8<6<?0I@D@ED2868;L<@0HF4<028AD44<808C@60C440<HODJ@G0A4D498
?09@10O00L$000@E8G0948<<L1HA06@78<8@0@004D8@4082040ND60@D9H3078>D
=LA<=<48DDA@C44@8@K<044408@H90K8DD5LAL@HG@=40<BL>HK49<LH084DA@3@7
89HM8F@7DEDC0C05H=LLHBHFD6@=LK@MHDL3440=8@0B024L<0H1H206H=8I04@5<
;014H<DH9H3420>8J<1H0H10C0701L6D?48<DH1@;<<@3<G<BDB<60=DI8HHG4@@<
<<46@@<2@C4B06<HD9@309@>4F<J0@824><:<I0G0A4<HI8=DL4084H8HM<?02<<8
6@1<7D2<1@8DL89HK4;@944<DLI@;@M49DC0L@MH;D:4AD0DLL=DK@84N<:09<I81
@C070:LID54><:H?<2LCD386<MLB@2<<<A864=LK0G@E44<6LA@88B<M@C8<0GHD@
44A<FLA<K<ADN40D1HA0D08D544H38KLH8M4M868;<3464>4?@5D=H=H<01LADC8A
05HHDO03D8H>L48487<C@MHC0?4<86<=0L820B8>@I49@A@<@84J44D6D9LI@4H5H
H8B81LO00L$000@IHI@04B48H0L1DB07D68<0@0H0K44<0<8@0<0D4080M8<4I@3<
6H=LM8I0ED5L2060I44H>LJ8I054N<4D1D;4?@2L6L=LI06H0H1HA040408@H0209
4K<N@LD>4N8D@;DNHB8K4H0?4E<?HE<0448<H34I<A4A<<49H;4G<G4<@BLC@C05L
M<74EHB<C4:<A@C4B0>0@H9D<@@LK0@@C08<>0HH;L6HB43D?8ML;0D<HH9D7<=HL
HE<3470445@4DC820><=04@882<J4C4FHKLA@C46LA<A4M41HA8I@B4><:DL4@@H4
9D6D>L1D10C<B0>0MLND24;D6@2<<85HCHO@<0@H70644@5<EHB8=4?<88:L=470D
4LLJ8A43DBDCDL<18C830OD8<BD7D04OL$000@80@000J4DL@4H8EL3LMHD@B4:<0
H4@ILNHJ8><1LC@6L><80D@J4840<8@A@3840<0FH44N<54J4=<9HC4F<K8G@:464
>0>H@4G0:4B<=@6HLH1DC<6L>DL@JH6L5HHL0@N<4D1D;4?@2L6L=LI06H0H1HA04
0408@L02094K<88HDJD<D5H8H9@8@:LBL10C@F454>@KD082<=8=HF4G4=8<HH08@
BH<464F0G4;DM<9L8H9@8@>LHDH@>@@DJ4<D6@D4LHF8C@DL3H1LD8G07<M@2<@<<
H@<K<G<<4N<2DADC42LF4141414J@H@J@4H3@>82<?81HA434I4I@8@<@KDCH3874
44I@G820B@BDI@B04H@H7<94<8D<@42<>@L48LIH2D4<2<1H<8G<@46<N050HH9DC
@G<04OL$000@K0G@E44<0L8@382060806@:00008D@3HMHD@B4:<LH9<38F8O05H=
HKHB0=D1@3@208480A0@044B8FHM4I<L<L@94G<M@4DF<@4N<<H=H2DM0D004888H
I@:<B<640<8@9@F8JLC@68<LJ<9@<HL<80K04@K<A@?41<@H5H5D2<64L<:89@B@J
@4D7080J@@@@@9<=8L08@>D9<9DE0G4FDE@BLB4346@24KDK8I0<82H<<8HIDG03<
J<3D=8>8B0147D>LIDA@=@J4LD402<?@KDB86<M@:<2<B4H@M<F<D@I@M@A8A41<3
H5@KD3@@DD<F<BD1@C<=42L2<I8EHA8147D:LIDM@0DO@0<$000@<8@0M@=4D0000
@907DI@54><<H1HA06@78=0KH8@@HI@>H>0FH4LD<4HK4=HI@3<6H=LM8I0ED0L20
60I44H>LJ8I054N<4D1D;4?@2L6L=LI06H0H1HA040408@H02094K<N@LD>4N8D@;
DNHB8K4H0?4E<OHC<;4LD>46<4H8HM8MHKD686<ID<@L@0@<4:LID00A45HK<I0H0
<HC8K40@;D:LELJ86H<HH8H0286@=8KH3H@@;4F0I@H0A@O<<H48G4I8LH=HA444J
<I@@HN<6DK0G8=DLHE4H48@>@O46800>42<2<68J@;@282<HDDDF894L8<H1HCD54
<DM0J094L<NHJ0FD4DL4GH4H>DK06HD0=4ODB@B4A<=8F<DH8LGL3L64>8E@5@70:
@N8H08DM0<84D1@C<G89DB<=<O8A0A4HL=0H07L$000@DHA@14H<DH1@A06@78=0@
0A004<8LH1L34403850000468@LGH7@68:8HLIDC04<<DK@J88H?<M4G4DLI43<F8
LL?HGH8@A<5<<4M@6H94MH24J@@0C48DI@5HC0<@FL54?4K8F@548<8L9HKH6<=4A
4I4DDA8C<6@>@LHMHKD684HB<E@9LGDN4<@IHC06@=@K0G@=DLL1DC@F8E03H@8N8
6HG4K400=43L:HA0C034B<MDE@2H5@>DI89884H@?H:<J8M0AD>DJ4O@4@6@8H8@N
@0<B460>@H83H8<A@C8F4N0I<38I<G4GD=DG03460><AHJ@<07HGLDLFL50:4;D?4
4<@L5@1@48@8;884M0B@B49<N@HH>HML94G8N8J82HA870?<C8I<J8G0>DJL;D9<F
@DD?HD@>HE4=44HOL002<B424E0I0E48<0L1DBD60<8K048M<94I0C<6L=@A8L0@4
4<0L8@2020488@<8M05@I@C@FDI028<4N8LH9@C86484>L:<3HGD@D48=8C@LH@8G
4>HN<=H1D?DI04@KDK@6<@@IDC<64=<@DK064?8<@LDMH547@?0F48LA@E<84D<=@
54;06<0L=8KD2494<<2LJ4N0F8G4B8HH1DC46L>LB8G064N<:H1828@H3LI<LLF@6
L=H8<>46@8<ODGD=DKDH0>40<0@AD34744L5<386LC<J<D80HI@<HI4H0<4><E@A4
<40<<LDHIDE4K450386HH<3470E49L4DM@N868@L=HL04<88H07030;<1H<LA@C<<
<A49@28D404OL$000@EHG@B48<LH90346L40J8M0C004080H10346880H@00J4800
410B07460?4><4HIDC040=HH8F0I4D<DLA@;@H@08:@L@J@D4@<@H983064=@I848
>H=<:8@L1DCD6@9DI8J0BDG@<HL@E@5L3<6@I4?H9LLHA@94H<@HIDK<>HKHH0JDO
@=@<8N<6<:8HLID;0>H:<A@3@6DM<0<0L9@F8C<B06L<@6DBL3064NL9L1@C<F@:D
;LKDK87H><J8I@F4K8:HCD68><DDJL;H48F86L>DL@D@KDIDO@4L78K<8L<@A@I05
42<0L<@?D:L703060J478:D>4B<@H=HDDDD4D7DKLL<D@9H3<4@<4L@F@GD9<9HF8
A<JDN88L<LI8C0F0:408909@98:0J0@@C4:<DH=82L;4?@3L4H=4K@B@74484L1@3
@F@=0GDC@8H2L84I42H?D?42@<@90;0647@E814DHJ05D24>@K4A@A0?DK4O8C0J0
M<L<1D;@IHD<I@A8C0A0ED74C<C4C0;H>LI8B@@48<4D1L;@0@3DEH7864<DL@JH=
0?D;8HH70J4<82@A82<LD784@I@A06DLL44DDJ4C<1@<@L8C82@EDA86H<DK@J0;D
6448<8A0@@D4J<9@9@<L58:47848B8<H=HH4;4>8J8G@>41<5@98ID90A@4L>H3<<
@8@4HBHB@04OL$000@80@0O@<04@HH2<7<<DL@30B404881H10305H>8@0=0D0J0;
D7L70?48<DHI@;@N8FLBL?@NL9@94D<DL1@A0F@FD9@6HM4I<=<78EHDH6@><I8J8
A8C00@DHJ0144<@LAH2474<DL8MHC<C0A0?DE8G0948<<L5H7HH0O8?00<BLN<50F
<484H<8=<IH<H4HDHJLCD68<DL0:0I40<2LH4?49HM8F@24;<H0JH=0?D4HHLI8HH
N@F8K80078:<HH@@<4C<7@>4MH?<:<8LIHK08H0@HD4HG@B8N45DD@B@64A<JH0D=
8A4@<G83LI<;8K<@84D9LBD74<DI0L8KDA0M<ALL0<LMD>8D@A@K<?814;<B0I0HD
8D9D0D04=87D@D=4:<@HMHA48HDLE0086DL@9D3<70=LE<H81D;D0@BL><JH105H9
D;LN<=HE028D4:4246L<@24K<4@>46<8H5HCHDD6D;DG<2H=<<H6@0D243428HH9D
306H?4LHD@8DD01<58:8@8704D;<<<B814188LCH<DID=D<<JLH42<70>@J82HF0F
0D08HBD4@8<IL984H2H?4D<4<58=4K8B@HD3<:D14B83<G4@0042<L<M4OD?4L<B0
6838B<=86<50=LJ8G0D4A<8@G08@IH8HB82H60=8L8C86D14@<2LAH;0DD6L=87H8
4M82H8<4<F4L@E@1H0LO@0<$000@80@0I@D49L0<@D78MH1468L@1D3@78=4KHG0C
40<B8M0F4BL?@NL9@D42<8H1H3D4<>8I8H@04440L8@9@L@9H:DK@D@D4;<1D=480
H0H@FLELJ0C@9LC42D64B4C<><:H6<F4KDMHB@540<@L983H70<D:448>4:8DLADC
068>8E<FLGHB<=<8D<8G<;4=D20CD54<<H8F09DGH30<L:<3DJ8242D74<41<7@F<
FD<DD@AHC<F4J47L5DAHJ4;4286L:<KHJ@B46<FH>8@8L8G@<8LD1DK<08LH5@883
09HKHB08D504@DDA@;4F@5H9LM8J08DA<BHG814=80D54D<FD8@G@8D>D<<B89<A8
9L7L7DAHD8ND:0A8JH<<54K@BH38;888L@B@>48<2L5L<094K@H05D6894K8H0548
<4HA@C<F410G@G@94L4M4<H4@AD3<F864IL;@?@H0M43<<<D<6H28N8@H1H;8;@;<
E8A0E44D<09H3878=4M@NHLD8D:D58K0>0<41LB4D410I8?4;<B0GD>43<4D<<1<H
<004<L4@8@4N0H0?8C0<0741@F038342H0<OH04$000@80@0I@H4983474>@DHA@1
4H<DH1@A06@40<8@0=0D0:0G<N@LD:4B<6L=HM0B@34288H1HC<FLF@JL;H?8MH>4
:8DLADK0=8?0<88H983D6L><9L804HK4A8I8K<98B<2<HHIDK018440L8@9DF8ILB
@68<DI0;H184HK4@890C874>@L@D@24:<@L9HK8>8A8=LLDL@1DK4=810A8ED;HA8
K@2HF<7@><J8I@HDJLD8484DA0:<F86D<4NDCHD0>0L@G44<3<:<FH<0?0086L?HC
<9<FHHH30FLDL98B8D4?00<=H5478<4L@J0D4B8DH=D1@A4A46@CDKHH0LD8H5H<0
H0H@?0?8?LKHG03HI8H0E4682L8DI<K81@I8C<F@4DJ<BH@0A4J@7@743L9DA@685
D<0<88@7<:L@DH41<8LE@J83<6DCL40>DA<<4C8IDBDC@641HDLN@3<94G@@D9LB4
JHC@2474<DL84H;0L@9H:DK@D@D4A<H0BLE8>@IHDLI@A8C0I0ID74E<C4K0=H>LI
82H3458?4L0B@8DA4:@>4K84H8HB<6868H8B878D@4<58<DK8:H2074<4M0J@5DOD
1H3@2DOHDHE01DG84D<@K@H@6L58L8@H5@<8C<4@=HHHI0HD5<K4I478:0E@;<H40
HGH08OH04$000@806@:00008D@3HE0I014L<<H9HC868=HM07@@48<4LIDK<BHI4:
H?<I4>L9LBD4@8<80D@04442<JL<<18CD60>8M0:094J<DH1@107440<0L87<GD@4
I<AD;@H0@0242<JL7@ADM<D41@C@58><I8B07D9H=@IH=40HLD9DK8B864NL:H64<
0486D9LIH8L2<D<9@1<306D>4IDC8@@H41<8LE@J83<6DCL40>DA<<4C8IDBDC@64
1HM<9<E@@81@?41<CL48ED744<>8I8H@9DF0I0CDE8G094=<2<4<54CDN<54F<484
H>8><IH=84HFHK<CDF88D@H983H70<D:448>4:8DLADC068>8=D<86@54;4=D20CD
54<<H8F0541<@<1HM4C0:84<EDA8J45<28IDH880D<N0J04@7@6@101LKDH<8<LLF
0J06D5@>@1@2<KD70?48<DH5@7@A@B<8H5L@8H04<94LHI83<74><M01@14;<L4:4
4D8<LD1DC<F81<ILK0E03DL<J8O0G0H@L8D838;88L=@H8J08DN0042D6@>8A<1LK
80HB4HD2<2HJ4F8LD4H1@C<7@><J8I@4D9D14O00L$000@80@0M@14684@A@C<60=
@N8I@946<0L8@382060806@:0C0DHK8M01D3@78=4KHG0C49<NHK09<GH?<DHJ014
4<@LAH2474<DL8@0B00<484H>8DL58=HJ8J08DA070MD5<6@LL:<<H8D9@L@LHC@J
D9@=@FL7<<DI8H0D4B80L9H;4B@90C@J@=44<DHA@K@M8EDMLL@;8B4K0=H:H3<8@
<LI8K0@868O4<8C@JDBLJL68BHID2474<4L0D0EDDD4@=HI@G@BDL8@@EHDHD0?4>
<HL5DM4?<I4<898C86H>DK0@@AD3@CHL8L@9<<@;@90BHL4A8><6<DHM@O8@4L4B8
N0=8MDF@54N<<DMH6HFHNH;8H0H0947<@D24K<M0C8J@6H64<@J86H<<J0C@4DK8J
04@K8BH0DG<LL5054<<889@<LK88H8H9DK8@L9@346<<4I0DH54EHH<;@@@AH14G8
LH<0H0@094H@?0BLG<90;DIHF@94L<2HHD=4>0J8K0B4:<BHB<4@=8KLBHF050H44
@>8H8F@@43<2DL8G@?4OH;8O<4@A42@L@I@84:<HL1D;D4D2<307414I4BD=43<0<
I4G094>@>0N<DH5DGH@<;@9DCLM0<0HL5DND381@C<8@CD6H<4N098:<885H>@J0B
HN868NDHD=HMDHL<L6<;@28CDH@G@44:<LHA<C<78=DGHH0?4B<HH1D;D0@O@14:<
FL?@?D>DA@30O@9@@<5L<DK@@@24A<8<0DG8E054J@946<NHAH@@E0I0D@C40<@L9
DC07@;L0LIDC@4@54@@HDFDC@I094><LH9@34G4O0<@5<K@3@G8=41DO00L$000@I
HC@544<0L8@382064<0H0@004D8@4082040><>0N<LH1DC@60=@M0=8<<K8<DI@3<
6L>HK0D@=4B<@H5HEHI<C<78>@GHG@64N<DD9DC46H=LL@L@GD6<B4I8K@=8108<4
HILJLFHH8FHA0I<08AHC@68<<J8I@94;<K4G05H<HE<=L9@C45L84@HL8J8J0;<O8
KH?@94L<FHM@?DKD=L<@>4EDM0BHM8K87H1@G0NL4<:<0HMLGD=0J8KHFD;LN<<DN
D20LHE8E4=4D<60=H1<FD5L<4A<JH;<E@1<C<68FLI8=<L49<K458ADHDLHA@5D7H
<DK@<85D2H:H88C<A<I<I49DCD6H;LL0G@5D3D>@LH48902<7DH<904@A@;0K<FHO
@FHA01<6<GDB47<CD=4;<GH=4K88@K<@8A49D9@0@OLKH8<LH7D=8L878J0H@=<NH
2H6HF494FD14@<DLA@3DG8B45LB8KLA4KHFLB4A414O@IH88IDE0G4B8L@A8B0A<K
@F0C49@K888IH3@6@>DK@J0LD8@14HDIDB46<2H9D7L<4HHA@D4A<1<9<9@KH>86<
2LIL9<=LCHH094E87H4L548<9H3H58=L@HG@=4;<G<O00@<L@L68<LDLA0689DI8J
084N<@H5@C4:8KL=@CLGH0@O@0<$!96afb1cd