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MIXER CIRCUIT
+ _2 X" K# }: |* x$ F- VM1 6 4 14 0 NMOS L=0.6U W=170U4 d, S: k w! Y
M2 7 5 14 0 NMOS L=0.6U W=170U
, s1 G% |1 g; g" J$ b; IM3 6 5 15 0 NMOS L=0.6U W=170U
2 n% p& p* K' ~! Z% z4 nM4 7 4 15 0 NMOS L=0.6U W=170U
& m; r o; d4 \7 z4 T. rM5 14 18 13 0 NMOS L=0.6U W=277U
7 J/ c9 `" g' E8 _/ A/ T3 P3 u5 MM6 15 19 13 0 NMOS L=0.6U W=277U
$ D( b4 d6 s2 f! T8 ^* hM7 13 1 0 0 NMOS L=2U W=400U7 l: y/ D8 A; G+ t
R1 8 6 900
/ C& S' \0 w* U8 r @# M1 [# lR2 8 7 1200
3 t G9 m6 n3 s3 }R3 4 11 10K9 V$ m' j. a% b
R4 5 12 10K2 h2 J: M+ {3 k& Y
R5 16 18 10K
/ h; I8 t! \! }. h# xR6 17 19 10K( w/ R: u& w- R' e. ]6 I: j" m- Z
VDD 8 0 5
0 G8 Q' g2 h$ `" g* XVref1 1 0 1.2( Y7 I% T$ Q9 j# k5 |# {
Vref2 11 0 2.8
. c3 o8 z8 ]; s; f; D, u2 JVref3 12 0 2.8
2 g6 c0 Y; \" d# t$ T" {Vref4 16 0 1.8) X2 G6 j+ l0 }5 |: T
Vref5 17 0 1.8
& r" `7 j$ e% j+ hC1 9 4 1n
0 l5 W: Z! C7 ?2 E* x1 w6 IC2 10 5 1n
9 p. U, w4 _% k9 YC3 2 18 1n: o% M$ A% B/ ^) F
C4 3 19 1n' Q2 J' N. F" B9 g9 I8 J
c5 6 8 100p
. @% d) ]( a9 n1 a+ Z* V) _* P+ bc6 7 8 100p1 p, r% q1 U' X0 g; p1 N
VLO1 9 0 SIN(0 0.8 50MEG 0 0 0)
% H; } M: z2 o! V, {% P% eVLO2 10 0 SIN(0 0.8 50MEG 0 0 180)
! m' I$ C5 D( y! `; d/ jV1 2 0 SIN(0 30m 50.1MEG 0 0 0)
* B; z0 l# G. h+ dV2 3 0 SIN(0 30m 50.1MEG 0 0 180)
7 p1 I" B/ `" I+ H- N- u.MODEL NMOS NMOS(LEVEL=2 LD=0.250U TOX=365E-10
6 I9 J; t5 k7 V+NSUB=2.13818E+16 VTO=0.84898 KP=5.77900E-05# X. t# v; }9 k5 J/ B
+GAMMA=0.8905 PHI=0.6 U0=610.8 UEXP=0.244555
- O, ^ i: j4 Q6 V5 J1 {: W6 h, I+UCRIT=128615 DELTA=2.0298 VMAX=92227.9 XJ=0.250U, o$ U( H: q' s9 c$ I# B+ ?
+LAMBDA=1.956049E-02 NFS=2.307838E+12 NEFF=1; G( {/ a" b9 S8 W8 ~' Y( X( s U
+NSS=1.0E+12 TPG=1.0 RSH=22.730 CGDO=3.54775E-10
0 ?* f* e' f/ E$ D4 S, ~+CGSO=3.54775E-10 CGBO=6.354506E-10 CJ=3.7740E-04; b8 \* R5 H: D0 S1 d
+MJ=0.45890 CJSW=5.1360E-10 MJSW=0.36620 PB=0.800)& I. R4 k# `* `/ V. L/ Y3 K0 c. g
.TRAN 0.1u 100u 0 1n0 |1 z$ N" v1 V: C. Z& y1 f
.PROBE) ]/ I' J* N% F [: H3 C
.OP
( y. m' y0 s; n.END* L; _- Q" Z* L& H8 `
% t8 d4 d2 C1 u7 k+ Q# n, Z5 c6 h& ?) g- `0 {' X% n; G/ j2 U; Y t8 k
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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