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电路是一个很简单的分压电路加一个运放，如下：
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& K' ]- q" `6 O' y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：
' ?4 B; S. v' k r& K" c+ ~2 L- Z2 A& e
（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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**** 12/18/15 18:43:33 ***** PSpice 16.6.0 (October 2012) ***** ID# 0 ********4 U% D2 L! l: y) [- i
** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ] * h F& C/ X# n/ U
^& \ G% X" Q) @7 u K
**** CIRCUIT DESCRIPTION' p. o9 {, C; e# c5 w
1 e, E# |: u7 E& t6 I9 w5 V
******************************************************************************
8 j2 t8 T6 [) b$ [+ v" s# |! j5 \- M$ w- k
- s5 V# |- C' \! C7 s, |** Creating circuit file "01.cir" # r* M* M3 e& j4 Q. u
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS( E B5 |* J I2 G0 \) I
*Libraries: 7 i" |: s4 k; b: c& G
* Profile Libraries :% q/ \6 Q0 B* r8 \5 u
* Local Libraries :9 k; j) z1 s% u, |; f; o$ T
.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib"
/ E( r; g7 c6 |6 m _8 h.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib"
$ y2 O \- g+ U/ o3 Z. C, y.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib"
# z% L+ }8 k, I! l.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib"
# x6 T& D: z5 X2 \; W.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib"
% o/ `7 r7 n! F* Z7 v7 Q" a0 m* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\OrCAD_PSpice/16.6.0/PSpice.ini file:
: L) b+ V% d+ j% {*Analysis directives:
" b& f _5 b3 [; v' [.AC DEC 10 10Hz 100000000Hz* q+ [ j$ r$ e! r
.OPTIONS ADVCONV) w6 j. Y. k/ l- u
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*))
' m/ O* _( T5 h1 \6 Q& J$& _/ y J$ A1 ?" s
ERROR(ORPSIM-16058): Command ignored1 k+ S$ f) W- K$ U
.INC "..\SCHEMATIC1.net"
$ g. O8 d/ L0 v" M, x, n5 B/ }1 @
**** INCLUDING SCHEMATIC1.net ****! U! s. [; p1 g9 u1 E% W
* source TEST3
- f0 f7 I+ d, GX_U3 N22677 N22309 VCC VEE N22589 ADA4610
: T8 z$ A$ ^ Q7 ]C_C9 N22335 N22327 1000p TC=0,0
3 X9 {. d+ s- K5 g- @X_M4 VEE N22683 VEE VEE BF998WR/PLP" n3 Y+ ^6 l6 K* R4 U/ J
R_R15 N22317 N22589 10k TC=0,0 # Y' H% w! e7 @/ }% F
R_R16 0 N22677 500k TC=0,0 & k1 E( j1 {2 q7 @/ o
R_R19 N22309 N22387 500k TC=0,0
K u! W4 x' P3 L. X1 g% {9 oR_R20 0 N22309 500k TC=0,0 1 i" ]: n0 Q" J) e7 Z" `
R_R18 VEE N22387 500k TC=0,0 8 j @. `) u& U1 }* G, |0 y
R_R13 N22677 N22335 500k TC=0,0
0 x& i0 ^+ i% @! Z \; {- PR_R14 N22589 N22327 10k TC=0,0 : o4 c: W9 }0 @: Z
X_M3 N22683 VCC N22327 N22327 BF998WR/PLP: ], ~ t- R. r/ s
R_R17 0 N22317 10k TC=0,0
9 N9 B4 L5 C5 R4 J" nV_V7 VCC 0 5Vdc
2 M/ v4 e/ Q, {- ~1 e, pV_V8 0 VEE 5Vdc9 j' `3 G- `6 t D7 R9 z7 R
C_C10 N22309 N22317 1000p TC=0,0
+ i* T/ g! n: F1 r( e& V" \C_C7 0 N35645 91p TC=0,0 6 R& F! \: r+ H, {1 l, F% ^5 T
V_V2 VCC3 0 5Vdc+ ?+ f+ ^2 ~6 U& B; J1 `3 ?2 {
C_C1 N35593 N35663 1p TC=0,0 3 Q) b. l( [* M3 k, z( X
C_C5 N35645 N35531 1p TC=0,0 5 R+ M0 t: W$ `! q7 N/ t
C_C2 N35531 N35663 10p TC=0,0 $ Y) b* X* g& C/ L6 z! r
C_C4 N66667 N35531 1p TC=0,0 6 y/ x% q+ b5 [" y- y- y+ F9 f
V_V1 N35593 0 DC 0Vdc AC 10Vac
+ U! [' N' f' i$ k$ C4 nC_C6 0 N35531 1p TC=0,0
7 l! [9 \$ W1 |7 [/ dR_R2 N35593 N66667 680k TC=0,0
) R A) v- M Y! o2 [0 ^R_R6 0 N35531 200k TC=0,0
2 N$ g q' d6 U) Y% O4 C. r( k0 LR_R1 N35663 N35593 91 TC=0,0
' Z- K5 M r" l/ Z; }% A4 o# CR_R5 N35531 N35645 10 TC=0,0
1 r- v$ ?0 h; G1 ~- T8 U! N1 O; bV_V3 0 VEE3 5Vdc) `0 Y6 C! n/ U! l# a
C_C14 N44706 N44772 1p TC=0,0
' q+ j8 h, A/ M$ o0 a7 o. KC_C13 N44754 N44702 1p TC=0,0
$ u; p, L2 \4 V3 I7 E$ T8 \R_R24 N44702 N44754 10 TC=0,0
0 [" R: H9 r. ?. ?9 I: ^4 NC_C11 N44702 N44772 10p TC=0,0
9 a! l( ~2 j* E. I3 L' {. n. YR_R22 0 N44702 100k TC=0,0 0 h7 e8 [0 P3 H: o: f* }2 ` P6 {
V_V10 N44706 0 DC 0Vdc AC 10Vac 1 u) e8 Z J1 W! K, f. b, x
R_R23 N44772 N44706 91 TC=0,0
# S' M' R! c6 f/ [6 |$ Z" T- AC_C15 0 N44702 1p TC=0,0
) n% H3 }- M% BC_C16 0 N44754 91p TC=0,0 : }- W3 G, j0 T) }, \4 h
C_C12 N44706 N44698 1p TC=0,0
+ W7 g* K J$ E4 s* ^- t7 w. T1 YR_R26 N44698 N44702 220k TC=0,0 , J# C) b: G. X+ o) ?* \# T) \
R_R25 N44706 N44698 680k TC=0,0 # z1 [8 [' D) H0 z: R, z# t8 i! `
C_C17 N44698 N44702 1p TC=0,0
* L6 C$ e3 j% ZV_V9 N22335 0 DC 0Vdc AC 1Vac
2 z9 f# a! M' A) ]X_U8 VCC N22683 N22387 PBR951
& Q$ h' A% ?- {- H% _+ j+ N1 B0 tR_R34 0 N64836 100k TC=0,0 : @! p+ |' ^2 \; i0 P+ f3 H P
V_V13 N65556 0 DC 0Vdc AC 10Vac 9 G) z ^0 M2 c1 w: T
C_C25 0 N65078 1p TC=0,0
- `. ~2 n- l( aR_R39 N65606 N65556 90 TC=0,0
/ C; S- p8 s( J6 Z/ i+ E! {R_R28 N64854 N65118 100k TC=0,0
1 Q: s( _0 Z* o" @9 u. zX_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP2 d# ?, t' B) b4 C" P7 I4 F( Y3 M/ }
R_R37 N65556 N65078 900k TC=0,0 / T1 `) \0 v( L# ^5 v/ m8 c# ` Z
R_R29 0 N64854 100k TC=0,0 * B& b8 W% X# v2 T0 e' Y) Q/ t7 F
V_V11 VCC4 0 5Vdc
( z$ a! H; x2 N) e% S* qV_V12 0 VEE4 5Vdc( I* Q: U) q0 o# m7 \' R9 ]6 O
C_C22 N65556 N65078 1p TC=0,0
5 b. S6 _. O/ IC_C21 N65078 N65606 10p TC=0,0 / w5 E4 T9 _" ?6 h" S/ T+ j2 M0 d
R_R33 N64836 N65078 100k TC=0,0 7 Z: p0 ~0 S5 k5 j* B
R_R30 N64844 N65304 10k TC=0,0 , Y( H6 B: p; }% k0 @/ @4 C* l7 i
C_C23 N65594 N65078 1p TC=0,0
9 W; |* s) C l3 XX_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610
* x# V7 Z* n. ~0 ^% {1 `R_R31 0 N64844 10k TC=0,0
, H3 J' L! T( HX_U11 VCC4 N65382 N65118 PBR951! [/ l) n8 l2 F& A9 f6 Q( B
C_C19 N64854 N64844 2p TC=0,0
0 t/ d' b! O; vR_R40 N65078 N65594 10 TC=0,0
. y- \: [) w$ N( t7 t3 ?C_C26 0 N65594 91p TC=0,0 0 r2 _4 R0 A* A! ^& i4 S% O- [
C_C20 N65078 N65084 2p TC=0,0
* T9 `# h- S3 m: lX_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP
# Z" R1 U' y* W) o" I7 qR_R32 N65304 N65084 10k TC=0,0
* |- C+ \( F8 ]1 A$ hR_R38 0 N65078 200k TC=0,0
) R0 C9 Z, s' Y0 y% F/ o& aR_R35 N64854 N64844 10000k TC=0,0 $ m0 ]+ p/ G- ^0 p" s
R_R36 VEE4 N65118 1k TC=0,0 + V/ I* ?. M1 ?; W. d$ r
C_C24 N65556 N65606 1p TC=0,0
$ K) t; J* U( qR_R41 0 N35593 100 TC=0,0 ~+ J# c: M F3 q* C7 J5 u
R_R42 0 N35593 100 TC=0,0
4 J) i5 f% n8 x/ o7 W9 pR_R43 N66667 N35531 220k TC=0,0 % {9 Z( s1 n$ d% d% r d: {
C_C27 N35593 N66667 1p TC=0,0
) C& Z: e; q& p T" ~( ER_R44 N68082 VCC3 1.1M TC=0,0 7 S/ ?2 e9 r; u: v) f
R_R45 N35531 N68082 1.1M TC=0,0 & ^ C1 ]! h( X' f+ p6 {
X_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045
7 W7 u2 y; ?* ?$ h$ R* w.PARAM rx=500k% L: K$ K8 L7 a, ?& b) R
**** RESUMING 01.cir ****
& Q( ?, J) M0 u2 C& J! `0 a& k: k.END
0 B/ ?7 J" \3 T2 H0 X$ [- W. w# }0 c3 p: k5 f' h: X
**** EXPANSION OF SUBCIRCUIT X_U12 ****9 p4 K& u* B0 e4 k3 a& K7 Y
X_U12.RCM15 N35531 X_U12.105 10MEG
& Z5 E8 L2 \7 t, E, CX_U12.RCM25 N71678 X_U12.105 10MEG
9 F0 v1 v, U% y& @! d/ a1 }! J7 s; fX_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1+ |3 e! M# b* {9 K& O ` N3 f) I
X_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN: G" ~" }! G9 w+ k- F0 J7 I0 U
X_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN
0 f( D4 @1 [& d% NX_U12.RC1 VCC3 X_U12.5 537.15 T_ABS7 A3 {8 l- S0 K: ]3 i( f
------------------------------$
' }# z/ {3 _; b! w3 PERROR(ORPSIM-16145): unknown parameter0 Q6 g Z A% c6 I, k! m
% f2 j, y& J- O6 H! R9 z5 ] |
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发表于 2015-12-19 09:41
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发表于 2015-12-20 21:44
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