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MIXER CIRCUIT/ P4 R1 p+ [* V- X
M1 6 4 14 0 NMOS L=0.6U W=170U
5 S( M/ x9 o; g( rM2 7 5 14 0 NMOS L=0.6U W=170U9 }* y! m+ i- Q `
M3 6 5 15 0 NMOS L=0.6U W=170U: Z+ G& U, c2 S; w' S
M4 7 4 15 0 NMOS L=0.6U W=170U
1 F( B* {! o% s8 o; AM5 14 18 13 0 NMOS L=0.6U W=277U$ S6 l5 w- K" Q: k" _7 o1 a
M6 15 19 13 0 NMOS L=0.6U W=277U! G) m% g6 S+ W: K* a
M7 13 1 0 0 NMOS L=2U W=400U
! e+ o( j% `$ A$ G& RR1 8 6 900
$ ~' J7 N, x# y, \9 J' VR2 8 7 1200
! O4 m O f7 h, s+ xR3 4 11 10K, G1 `9 _+ H# M6 O+ ], b$ n) o, c
R4 5 12 10K' {! J$ U' j5 P+ ~
R5 16 18 10K R7 `; m- j* ?1 n% ]
R6 17 19 10K3 k/ f) G; ]2 U7 U
VDD 8 0 5
& _4 B$ J" n( O3 P% z8 ~Vref1 1 0 1.2) a' d) G" K' _ ?& w! h0 C# V U
Vref2 11 0 2.8# k- |0 `; J7 Y: ~ F! w
Vref3 12 0 2.8
+ @: @3 z: K5 w0 MVref4 16 0 1.8% {8 e2 J7 _ B# V9 g
Vref5 17 0 1.8
( ^' V) O- J: g7 iC1 9 4 1n4 ^" B+ g+ s+ j" A8 w$ Y
C2 10 5 1n B% I6 b/ C5 `
C3 2 18 1n2 R2 m6 s- f" E E) h0 ]! g
C4 3 19 1n
6 y; A! z6 `* b" c1 l; w, Rc5 6 8 100p$ B! ~+ C" \" g0 {
c6 7 8 100p
( d h& G$ A) }8 wVLO1 9 0 SIN(0 0.8 50MEG 0 0 0)
8 M5 n- }; @& Q, pVLO2 10 0 SIN(0 0.8 50MEG 0 0 180)4 J' J/ F8 Z/ c. A. q+ b8 R! g
V1 2 0 SIN(0 30m 50.1MEG 0 0 0) D. f0 K) t/ g! C& T
V2 3 0 SIN(0 30m 50.1MEG 0 0 180)% t2 k( X. I* \1 z. ^
.MODEL NMOS NMOS(LEVEL=2 LD=0.250U TOX=365E-10
; \$ h0 `8 l6 Z+NSUB=2.13818E+16 VTO=0.84898 KP=5.77900E-05* ~: ]/ ~$ i- m- y8 K, H
+GAMMA=0.8905 PHI=0.6 U0=610.8 UEXP=0.244555- \8 I A8 V$ g* l1 i" n
+UCRIT=128615 DELTA=2.0298 VMAX=92227.9 XJ=0.250U
4 V' ]1 M5 m$ q; p0 S7 Y/ L, S+LAMBDA=1.956049E-02 NFS=2.307838E+12 NEFF=1. f) Y* z: e7 ?, z3 a' h5 J, j
+NSS=1.0E+12 TPG=1.0 RSH=22.730 CGDO=3.54775E-10
3 q, Q" J" B5 M) a" X+ C+CGSO=3.54775E-10 CGBO=6.354506E-10 CJ=3.7740E-04
* l H: K- e r& n+MJ=0.45890 CJSW=5.1360E-10 MJSW=0.36620 PB=0.800)' E4 m* u3 C+ M& y' {
.TRAN 0.1u 100u 0 1n! ` \% A. m8 u$ a2 @$ g" q
.PROBE* Q4 m3 Z- T8 |
.OP
b' W0 h3 X( B5 ?.END
: Y: m$ c; L* u# P
9 p9 |0 d5 y: b1 |% a5 f( d$ `$ T+ J) F- u& J5 F
这个怎么修改成2.4GHz的啊 并仿真出噪声系数 附有电路图 求各位大神帮忙 |
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