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MIXER CIRCUIT# \% L! U6 ]0 J9 u: Q7 S" Z
M1 6 4 14 0 NMOS L=0.6U W=170U8 m! M" a2 y5 H8 f1 v
M2 7 5 14 0 NMOS L=0.6U W=170U
F+ N2 g5 ]! oM3 6 5 15 0 NMOS L=0.6U W=170U1 x8 q, F6 o% S( ~: }
M4 7 4 15 0 NMOS L=0.6U W=170U/ E" U& i# @; y+ F& Y+ F
M5 14 18 13 0 NMOS L=0.6U W=277U. n2 `; a# b' r# u0 p- ^" p
M6 15 19 13 0 NMOS L=0.6U W=277U9 o1 u+ O' ~7 O) |* |' U. s0 T2 f
M7 13 1 0 0 NMOS L=2U W=400U
- e& ~( H8 x/ q) L# NR1 8 6 900' ~/ M0 r( t1 v$ s- k0 S
R2 8 7 1200
+ T/ _% H! j& F- [' TR3 4 11 10K8 w0 C2 g- V3 R8 G, `3 p
R4 5 12 10K
3 O( q, F0 {* {/ AR5 16 18 10K% ~- t, \; T7 s+ m
R6 17 19 10K. Q* u- U2 U1 ?: d
VDD 8 0 56 F! d4 H7 ^# @3 A1 x+ e
Vref1 1 0 1.2; r, y( ~( A0 S
Vref2 11 0 2.8* H8 E4 k, J8 O! _" @
Vref3 12 0 2.8/ N6 r- I% Z/ X% l
Vref4 16 0 1.8
- m- Z5 S) ]1 E `# {7 r& mVref5 17 0 1.8) O" x* D8 `2 _5 c/ ~
C1 9 4 1n0 I9 H+ I1 D1 S' o5 i9 D ?
C2 10 5 1n
' z$ z d% U" V- B2 OC3 2 18 1n: I! r1 C5 b+ U1 K# N
C4 3 19 1n
, l# a, a6 e; k% N) Z0 yc5 6 8 100p
& U8 U! M% w5 t) Gc6 7 8 100p
! |2 Q* b& j9 L0 zVLO1 9 0 SIN(0 0.8 50MEG 0 0 0)/ n& ^# r V: F3 s0 Z" x
VLO2 10 0 SIN(0 0.8 50MEG 0 0 180)
* K: T: e+ e( X$ `% \6 ~1 |V1 2 0 SIN(0 30m 50.1MEG 0 0 0) ]/ i9 A/ |: w8 B0 r! M0 V
V2 3 0 SIN(0 30m 50.1MEG 0 0 180)
2 m. n B6 w& t' E" Z/ }.MODEL NMOS NMOS(LEVEL=2 LD=0.250U TOX=365E-10
f8 d: R% c7 g$ s1 Q# |# e+NSUB=2.13818E+16 VTO=0.84898 KP=5.77900E-05( V: R+ }/ u, B6 W7 R+ X
+GAMMA=0.8905 PHI=0.6 U0=610.8 UEXP=0.2445552 y( W2 {- R, n5 l/ l
+UCRIT=128615 DELTA=2.0298 VMAX=92227.9 XJ=0.250U+ ?" R* T& r; C) i
+LAMBDA=1.956049E-02 NFS=2.307838E+12 NEFF=1) i* R0 _& w, z5 ^' T
+NSS=1.0E+12 TPG=1.0 RSH=22.730 CGDO=3.54775E-10
" P: x: g& |9 W" ]/ v' d& L+CGSO=3.54775E-10 CGBO=6.354506E-10 CJ=3.7740E-040 ?1 P7 e9 \+ V. C# W2 v
+MJ=0.45890 CJSW=5.1360E-10 MJSW=0.36620 PB=0.800); X. ]/ i3 @& i+ C+ ~
.TRAN 0.1u 100u 0 1n
1 B% L9 e% [' y0 v.PROBE+ C! J" x. j( U
.OP
% E! p# [+ o8 z1 A5 V, t$ m.END
$ h; H/ x3 K2 Z# Q6 F5 F9 L7 h1 X! o
3 O2 o/ g+ ?1 D1 k' T
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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