求大神 2.4GHz混频器网格修改！！！急等！！！

446701197

MIXER CIRCUIT
M1 6 4 14 0 NMOS L=0.6U W=170U
M2 7 5 14 0 NMOS L=0.6U W=170U
* F8 g( ~4 \" O7 h+ {M3 6 5 15 0 NMOS L=0.6U W=170U
M4 7 4 15 0 NMOS L=0.6U W=170U
+ {. {0 K# z& A5 e# [M5 14 18 13 0 NMOS L=0.6U W=277U
M6 15 19 13 0 NMOS L=0.6U W=277U
& [5 ?0 O! x& U2 \) c" aM7 13 1 0 0 NMOS L=2U W=400U
. E6 ?  ^" A& i# v! R. {" D) @R1 8 6 900
R2 8 7 1200
R3 4 11 10K
% f3 ^% r0 W5 m8 A% p* ]R4 5 12 10K
  _5 d7 e4 Y! i2 V$ H5 xR5 16 18 10K
R6 17 19 10K
& M( T  @0 s3 J+ EVDD 8 0 5
Vref1 1 0 1.2
Vref2 11 0 2.8
Vref3 12 0 2.8
Vref4 16 0 1.8
& B/ H% A1 H  X  \1 M3 iVref5 17 0 1.8
C1 9 4 1n
C2 10 5 1n
+ [+ q6 z2 a9 gC3 2 18 1n
1 t8 a( o! _2 O* AC4 3 19 1n
c5 6 8 100p
c6 7 8 100p
VLO1 9 0  SIN(0 0.8 50MEG 0 0 0)
VLO2 10 0  SIN(0 0.8 50MEG 0 0 180)
2 \# e' c( W/ F* XV1 2 0 SIN(0 30m 50.1MEG 0 0 0)
0 ~3 P, @9 Z0 ]* p  tV2 3 0 SIN(0 30m 50.1MEG 0 0 180)
.MODEL NMOS NMOS(LEVEL=2 LD=0.250U TOX=365E-10
/ M% s6 \* o- u: n# j# c" q+NSUB=2.13818E+16 VTO=0.84898 KP=5.77900E-05
$ z- }1 j/ j4 U  f' \4 N+GAMMA=0.8905 PHI=0.6 U0=610.8 UEXP=0.244555
+UCRIT=128615 DELTA=2.0298 VMAX=92227.9 XJ=0.250U
& M1 t; G: K  |" P/ d8 u0 v! k+LAMBDA=1.956049E-02 NFS=2.307838E+12 NEFF=1
6 |4 T) A7 z6 b+ R, t+NSS=1.0E+12 TPG=1.0 RSH=22.730 CGDO=3.54775E-10
  _0 A# o+ h- g# Q5 j: E/ J7 m9 W+CGSO=3.54775E-10 CGBO=6.354506E-10 CJ=3.7740E-04
3 W5 ~8 K/ O; K5 I+MJ=0.45890 CJSW=5.1360E-10 MJSW=0.36620 PB=0.800)
. Y% Y: f# b: w& ]! ]- J.TRAN 0.1u 100u 0 1n
.PROBE
.OP
.END

* O* c. i) R$ |0 W
7 P% N; ?) N; X9 |  l+ L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