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
# s( q& X) ^# e. S3 E( EM2 7 5 14 0 NMOS L=0.6U W=170U
2 M4 f; w9 Q% v$ c! X/ Y8 @M3 6 5 15 0 NMOS L=0.6U W=170U
M4 7 4 15 0 NMOS L=0.6U W=170U
M5 14 18 13 0 NMOS L=0.6U W=277U
M6 15 19 13 0 NMOS L=0.6U W=277U
M7 13 1 0 0 NMOS L=2U W=400U
7 F9 u0 ?: l8 @8 `  d/ n6 OR1 8 6 900
* B' W9 o1 F% w- Y4 s' HR2 8 7 1200
R3 4 11 10K
  v7 c! y9 ?, y' i/ J$ oR4 5 12 10K
/ J) e7 T% }4 b# l( ~, k* pR5 16 18 10K
R6 17 19 10K
6 A! M$ ~) U: d4 r9 TVDD 8 0 5
8 J" [+ I7 q3 O( |6 E3 wVref1 1 0 1.2
Vref2 11 0 2.8
4 h* \; l$ R/ }* O+ G$ N: SVref3 12 0 2.8
/ L1 [& |# c1 zVref4 16 0 1.8
Vref5 17 0 1.8
+ x! C1 A" h2 x1 x2 b* YC1 9 4 1n
C2 10 5 1n
0 X/ O1 m9 j% {4 Y, R1 iC3 2 18 1n
C4 3 19 1n
# o' i0 f5 F% n5 L. mc5 6 8 100p
9 r$ c- N3 d- \  v& {c6 7 8 100p
VLO1 9 0  SIN(0 0.8 50MEG 0 0 0)
4 t2 |3 z3 M- xVLO2 10 0  SIN(0 0.8 50MEG 0 0 180)
% ?  V% k& x$ a( H. j' eV1 2 0 SIN(0 30m 50.1MEG 0 0 0)
& {7 i+ S$ ?0 j! G- {V2 3 0 SIN(0 30m 50.1MEG 0 0 180)
5 {5 e4 I' N) h) j# U.MODEL NMOS NMOS(LEVEL=2 LD=0.250U TOX=365E-10
+NSUB=2.13818E+16 VTO=0.84898 KP=5.77900E-05
) B" z6 u' S- S' p0 t9 x6 G7 k2 T+GAMMA=0.8905 PHI=0.6 U0=610.8 UEXP=0.244555
+UCRIT=128615 DELTA=2.0298 VMAX=92227.9 XJ=0.250U
+LAMBDA=1.956049E-02 NFS=2.307838E+12 NEFF=1
+NSS=1.0E+12 TPG=1.0 RSH=22.730 CGDO=3.54775E-10
7 D; s0 o2 h& ?, E- e0 N: B* B+CGSO=3.54775E-10 CGBO=6.354506E-10 CJ=3.7740E-04
+MJ=0.45890 CJSW=5.1360E-10 MJSW=0.36620 PB=0.800)
.TRAN 0.1u 100u 0 1n
.PROBE
.OP
.END


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