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电路是一个很简单的分压电路加一个运放,如下:* a. F. _$ H# d9 l
+ ~0 C1 C6 m' w( v% V% D0 w9 ?9 F5 \运放选用的是ad8045,从网上下载的spice model文件,然后点击仿真,想要得到输出信号的频响曲线,因此仿真用的是交流扫频,没想到仿真结果如下:
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(在下初学cadence,这个仿真问题确实弄了好几天没有找到解决方法,求大神帮忙解答,感激涕零。)
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& o2 V. Q1 M1 Z( R**** 12/18/15 18:43:33 ***** Pspice 16.6.0 (October 2012) ***** ID# 0 ********
" x- O# i" x. g2 L, y4 ^- Y( _** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ] 2 W; B/ V) Y" t; J! T* b
9 v8 n! R* u& Z**** CIRCUIT DESCRIPTION& c) }! B5 E1 M4 a% \
# W& V. U" l$ b7 Y* k, b1 u******************************************************************************2 V! y, W2 G* S* j
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** Creating circuit file "01.cir" * s) B2 s4 R! p7 V0 g, P7 E+ @- y4 z' [
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
~. ` }; r: ]6 N, J*Libraries: ' V/ C/ D3 C) N
* Profile Libraries :
0 J6 l7 C( X0 e* Local Libraries :
, Y4 G: M: e' t* m& Q* m3 f; _.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib"
+ @3 N1 b5 a6 j.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib"
: B D! X1 y, R- c; W6 H' l.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib"
! v f S( u! l" t$ x.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib" & V" z+ b t; X) y1 Q4 `7 T, n- Z
.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib"
/ m: u; ], w) _9 V- g4 ?& R) L* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\orcad_PSpice/16.6.0/PSpice.ini file:
3 g" x% P! e& S6 O3 Q2 X& J( U) `! m! j*Analysis directives:
) s J7 n( A, f6 n3 \ V.AC DEC 10 10Hz 100000000Hz ~. y0 g; T+ A
.OPTIONS ADVCONV6 q/ E3 ?/ z0 _+ J* n* T
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*)) ! c* Z5 T' U! ?/ f W! ~
$/ E3 R) K% i2 J7 k1 q2 p7 }
ERROR(ORPSIM-16058): Command ignored
" U' ]- k' Z( Q8 l.INC "..\SCHEMATIC1.net" ! D0 r% L5 b7 C' Y% {' Z2 e
: S% ?- v3 `* X& M- X% D**** INCLUDING SCHEMATIC1.net ****
) G9 H" r5 X$ B7 G9 h% g* source TEST32 [! f$ D( d3 F7 p8 H
X_U3 N22677 N22309 VCC VEE N22589 ADA4610 / `0 h2 E8 Z+ \1 m7 U
C_C9 N22335 N22327 1000p TC=0,0 5 U+ ~) X7 [, K( n/ P
X_M4 VEE N22683 VEE VEE BF998WR/PLP
- d. A f2 S! d' k4 X% }! LR_R15 N22317 N22589 10k TC=0,0 ( }9 r; V9 ~8 x1 {! L- j! n. j
R_R16 0 N22677 500k TC=0,0
2 v: ~* p Q& m7 Y3 s, p- ]R_R19 N22309 N22387 500k TC=0,0 ; T! u/ W, y! s( t
R_R20 0 N22309 500k TC=0,0
, Q. w% U9 q) l+ [2 `R_R18 VEE N22387 500k TC=0,0 e- b$ _9 S) U& {3 E
R_R13 N22677 N22335 500k TC=0,0 + ?) K" I2 \: u/ K' `2 j6 B
R_R14 N22589 N22327 10k TC=0,0 % Q% v# [% P; ^/ x+ `
X_M3 N22683 VCC N22327 N22327 BF998WR/PLP
9 T* W. `: h" O/ C9 \. j6 k' YR_R17 0 N22317 10k TC=0,0
4 F: c5 O1 i1 T9 G- YV_V7 VCC 0 5Vdc7 C7 J& d7 q0 I1 x7 u3 H( d9 H
V_V8 0 VEE 5Vdc
6 w8 k% N; r6 V& oC_C10 N22309 N22317 1000p TC=0,0
: g/ K: \0 `4 ~# q# }; w7 yC_C7 0 N35645 91p TC=0,0
* ~$ b& ?/ c HV_V2 VCC3 0 5Vdc
. s: |0 Q! w: AC_C1 N35593 N35663 1p TC=0,0 . f( C- R6 \- `3 P7 w
C_C5 N35645 N35531 1p TC=0,0 4 }# r5 Y8 I6 ~! M# V) D v
C_C2 N35531 N35663 10p TC=0,0
- x+ N" P2 y5 C- a5 rC_C4 N66667 N35531 1p TC=0,0
- I6 X; E5 ^7 s. C" F; zV_V1 N35593 0 DC 0Vdc AC 10Vac
) y! ?7 O2 O7 _. j4 \( _4 u, |& bC_C6 0 N35531 1p TC=0,0
9 v& b: x3 w3 Z7 BR_R2 N35593 N66667 680k TC=0,0
% \, D% y/ k9 a& A( r1 u% [R_R6 0 N35531 200k TC=0,0 7 A& d7 n& S5 F5 h5 ?# F) m
R_R1 N35663 N35593 91 TC=0,0
5 {9 p& f/ V& h9 F. H& XR_R5 N35531 N35645 10 TC=0,0
$ |& d$ _1 C+ e! s2 I/ Y$ z _V_V3 0 VEE3 5Vdc
. u- _2 p" k7 X* r' MC_C14 N44706 N44772 1p TC=0,0
3 T# H& d/ s3 jC_C13 N44754 N44702 1p TC=0,0 , ~( U) ^$ a `6 ?7 [, o% I$ t K& p! T
R_R24 N44702 N44754 10 TC=0,0 $ U* k. ]3 U/ ]4 g1 ~: I
C_C11 N44702 N44772 10p TC=0,0 1 m! |; @4 y4 B: u, g2 |
R_R22 0 N44702 100k TC=0,0 . v; e' E' N2 n
V_V10 N44706 0 DC 0Vdc AC 10Vac , t, x* s4 q! v$ }' g) R
R_R23 N44772 N44706 91 TC=0,0 6 E! u l4 r4 I' r! Z
C_C15 0 N44702 1p TC=0,0
+ S+ @) D9 y+ N+ N$ t' e% fC_C16 0 N44754 91p TC=0,0
4 f% a. M" k. K6 R9 OC_C12 N44706 N44698 1p TC=0,0 ! L0 F) `+ w0 i) j' g
R_R26 N44698 N44702 220k TC=0,0 & @" {% {3 E* i8 O1 [- ^0 J
R_R25 N44706 N44698 680k TC=0,0 . b7 c* Q+ x+ x" y8 `. q
C_C17 N44698 N44702 1p TC=0,0 5 R8 g7 ~5 g3 u2 T" H
V_V9 N22335 0 DC 0Vdc AC 1Vac
4 i# h5 @$ }6 lX_U8 VCC N22683 N22387 PBR951
2 ^* c1 A/ H1 C0 O# c, i k6 lR_R34 0 N64836 100k TC=0,0 ' n+ e u/ \: y. z3 j
V_V13 N65556 0 DC 0Vdc AC 10Vac
' x s* I/ o! n7 I4 p+ mC_C25 0 N65078 1p TC=0,0 5 J5 H8 a/ i, [9 z* y; v8 K- n. r/ K
R_R39 N65606 N65556 90 TC=0,0 2 H7 y: t7 u2 a$ t/ g. ~
R_R28 N64854 N65118 100k TC=0,0
7 A/ z4 x c3 ] n- gX_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP5 L3 A$ h: E& L1 p3 D
R_R37 N65556 N65078 900k TC=0,0 + D$ }# T( U% C1 T$ e" Z
R_R29 0 N64854 100k TC=0,0
6 K H. ?' x. iV_V11 VCC4 0 5Vdc. E) Y1 u Q" w0 L$ W
V_V12 0 VEE4 5Vdc. @4 F: f+ A3 M* T @& b) ^
C_C22 N65556 N65078 1p TC=0,0
. @# A+ W/ a5 PC_C21 N65078 N65606 10p TC=0,0
2 u* q) I9 t1 s W3 |R_R33 N64836 N65078 100k TC=0,0
1 ^& F. u9 { S" pR_R30 N64844 N65304 10k TC=0,0
. |" K# i# c! C( hC_C23 N65594 N65078 1p TC=0,0
1 \$ l7 t+ R1 X- q2 ^X_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610 . s/ J2 g4 c' w. B, a
R_R31 0 N64844 10k TC=0,0 # @2 y# y2 w: `6 `% V# }
X_U11 VCC4 N65382 N65118 PBR951 ]0 i: w- v' ]3 e
C_C19 N64854 N64844 2p TC=0,0
; I( R0 l* P9 `R_R40 N65078 N65594 10 TC=0,0 0 |9 H" z; _8 G$ d+ Y
C_C26 0 N65594 91p TC=0,0
5 t6 q+ g( j( e- r/ uC_C20 N65078 N65084 2p TC=0,0 6 I# n1 l! N( e y+ ]
X_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP! r/ ]8 s5 V s; E
R_R32 N65304 N65084 10k TC=0,0
b% N9 w$ \( L# z2 g. _* m0 aR_R38 0 N65078 200k TC=0,0
, r- O% e3 G/ g) p# H3 v9 ]7 |R_R35 N64854 N64844 10000k TC=0,0 4 c% H% \6 ?7 k( ]( x* Z
R_R36 VEE4 N65118 1k TC=0,0
' C+ ] R N, E: e( HC_C24 N65556 N65606 1p TC=0,0 6 T9 r; h* V+ z7 ~, P: ~, E
R_R41 0 N35593 100 TC=0,0
+ V6 V$ p9 s- K3 \& T/ M& yR_R42 0 N35593 100 TC=0,0 2 ^) ]# `% U( X( [8 v" z" \0 f
R_R43 N66667 N35531 220k TC=0,0 ; l5 h$ I J# q% _6 L/ d
C_C27 N35593 N66667 1p TC=0,0 # Z9 j$ q' H0 Z# Z: D
R_R44 N68082 VCC3 1.1M TC=0,0 ! T$ Q; _8 f9 o V5 U' c* d Z" n: V
R_R45 N35531 N68082 1.1M TC=0,0 5 I5 V z% I4 c2 O5 @' w- X5 f+ p
X_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045
1 r, Y) I8 {; W8 F1 d- H.PARAM rx=500k2 f$ G& ~9 ?' ^- F+ Z+ Y
**** RESUMING 01.cir ****$ ^, a) Z/ }0 R( Q# }, a
.END3 r7 y0 L" Q* I( Q# p! f
- K; F* O7 I2 H**** EXPANSION OF SUBCIRCUIT X_U12 ****
" a( ]' k6 U( ~9 T2 [8 M$ U3 AX_U12.RCM15 N35531 X_U12.105 10MEG1 p' M5 ^% R7 T
X_U12.RCM25 N71678 X_U12.105 10MEG! [* @; O' K. I# u+ h5 S
X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1
6 W; z, h' k, `X_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN; n! m; U9 Y+ Q
X_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN8 U" V5 M1 l( d
X_U12.RC1 VCC3 X_U12.5 537.15 T_ABS
! ?+ B" c) N% B! V" X------------------------------$6 s( t) e: q# R/ M2 {4 f/ X: O6 @
ERROR(ORPSIM-16145): unknown parameter
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