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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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- p0 I( c" x. G4 [, N1 x, H0 M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：6 ~ ^8 `, {% N. \& \+ X
3 R0 R2 \7 }9 R) w3 f（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。）4 ?: h( R5 D$ W9 \% @
9 N- t1 c' @" o1 T) {! z**** 12/18/15 18:43:33 ***** Pspice 16.6.0 (October 2012) ***** ID# 0 ********
0 `3 E5 N# O3 l7 M- x% [# p9 Z4 _ ** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ] % u6 i* ^; N2 [
% }" `/ O( f1 U2 R: e. X **** CIRCUIT DESCRIPTION3 z% s7 t n" s: d' S; u
`$ n$ D( A0 }: v8 q******************************************************************************. I& I" n: \* R* T
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** Creating circuit file "01.cir"
4 S. e! W8 ?1 P, A. [) L# p** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
0 @7 B' i% i* i( O& c( a* I) P) ?! M*Libraries: 7 V G- N2 f0 \* \9 H
* Profile Libraries :! F0 O# ~1 Q& D5 S, s+ [6 j
* Local Libraries :
9 C8 Y" [( P( N3 X5 h: }6 Y.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib" 6 R" i2 i p2 u4 B- h
.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib" ) y l1 J" b t) H/ ]
.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib" 7 c. z- S7 {9 S, v! k$ _2 p! ^; L+ T6 C
.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib"
6 F! N- L" y: n* C1 X/ A) a.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib" * {4 a7 e- h4 I/ ], J6 z; _* d
* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\orcad_PSpice/16.6.0/PSpice.ini file:
6 W# r J$ L: N$ W: }*Analysis directives:
+ D1 f+ A9 n5 r; w W6 B1 S.AC DEC 10 10Hz 100000000Hz
( T. q/ D& b/ ^4 p$ o' h5 m5 B.OPTIONS ADVCONV& t2 p2 v& W, W: `2 h
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*))
\, ~7 b0 A2 D$4 a6 c# `- T* ]( ]) ^+ V0 u
ERROR(ORPSIM-16058): Command ignored
) \) Z! J5 E, q' m8 k: h.INC "..\SCHEMATIC1.net"
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3 |* c6 j' r% k. w/ F& f**** INCLUDING SCHEMATIC1.net ****2 H3 R6 r) Q s: R7 P3 T* C
* source TEST3
3 ` C: x! e1 pX_U3 N22677 N22309 VCC VEE N22589 ADA4610 2 g) u9 z) {& @1 m# o
C_C9 N22335 N22327 1000p TC=0,0
4 _& l. K" S6 g% w$ oX_M4 VEE N22683 VEE VEE BF998WR/PLP
4 u, ]1 h: |% X8 S$ d4 v2 i) ^R_R15 N22317 N22589 10k TC=0,0 ) A$ b3 k5 X3 C0 _- k) B
R_R16 0 N22677 500k TC=0,0 4 ^ ]# J. C& W# ]2 s5 ~" D
R_R19 N22309 N22387 500k TC=0,0 0 }& ^; r1 z' L3 U0 j
R_R20 0 N22309 500k TC=0,0 ' T9 K& K( v0 `6 k- C
R_R18 VEE N22387 500k TC=0,0
5 [! |0 D* P# nR_R13 N22677 N22335 500k TC=0,0 N* M0 c7 q# b0 p0 ~
R_R14 N22589 N22327 10k TC=0,0 ( p3 [+ _) e, w {4 \: r* m
X_M3 N22683 VCC N22327 N22327 BF998WR/PLP
1 X: m/ u1 D _- g1 T/ ?) M% s# ?" b/ NR_R17 0 N22317 10k TC=0,0
1 M# L* o) L4 k3 w _V_V7 VCC 0 5Vdc
! D5 o6 g3 I4 }V_V8 0 VEE 5Vdc" V& Y8 |: O0 A- O, ^
C_C10 N22309 N22317 1000p TC=0,0 1 |0 x( k$ g- @( d+ ~% N$ f1 F0 \9 e
C_C7 0 N35645 91p TC=0,0 5 b8 D5 z) F( A
V_V2 VCC3 0 5Vdc5 v7 _, D8 l/ ]# \* N' V) N. j. G2 A1 U
C_C1 N35593 N35663 1p TC=0,0
0 a0 N( X1 D! W7 O* rC_C5 N35645 N35531 1p TC=0,0
& S8 e; P( I; z1 eC_C2 N35531 N35663 10p TC=0,0
5 l( g& y/ Q2 k3 _C_C4 N66667 N35531 1p TC=0,0
: f& {. j" F4 L' N3 z. ^V_V1 N35593 0 DC 0Vdc AC 10Vac h B, a5 d. ]% d- H
C_C6 0 N35531 1p TC=0,0 + r, m, ^, m9 U/ h. Z2 l! l
R_R2 N35593 N66667 680k TC=0,0 + i( k+ a: J- J( ^- b" V! F3 q
R_R6 0 N35531 200k TC=0,0 H* k% m2 S% o6 x
R_R1 N35663 N35593 91 TC=0,0
% a8 p' U9 t& _& Y3 r yR_R5 N35531 N35645 10 TC=0,0
# h7 A6 i& s3 F4 JV_V3 0 VEE3 5Vdc; E( T. @9 y' t' d
C_C14 N44706 N44772 1p TC=0,0
! o3 c0 t5 ~5 @0 ^. d, WC_C13 N44754 N44702 1p TC=0,0
( q: W7 |1 @, a& ]1 Z0 a4 S0 lR_R24 N44702 N44754 10 TC=0,0 m$ ?2 i" E# w/ c( _
C_C11 N44702 N44772 10p TC=0,0 % d# A( j0 k: o$ y) L6 O# u6 O
R_R22 0 N44702 100k TC=0,0 + `5 v8 F7 K% E3 X$ `/ i
V_V10 N44706 0 DC 0Vdc AC 10Vac 2 s, G4 Z6 ~3 i+ W. C) O
R_R23 N44772 N44706 91 TC=0,0
/ Z% p) {) j6 A( A# ~6 pC_C15 0 N44702 1p TC=0,0
1 J0 q5 Z1 C" Y2 ]& r" L( dC_C16 0 N44754 91p TC=0,0
8 ~& x& k5 r4 ?: S! IC_C12 N44706 N44698 1p TC=0,0 5 B/ d% n# R3 P. j% r' d
R_R26 N44698 N44702 220k TC=0,0
5 ^. f p3 a3 R9 i* PR_R25 N44706 N44698 680k TC=0,0
& r9 N5 T- J) k$ a! FC_C17 N44698 N44702 1p TC=0,0
$ ]5 Z; E4 R# y$ j4 A, c/ V' `V_V9 N22335 0 DC 0Vdc AC 1Vac ' @5 \9 j! t2 Y( ~
X_U8 VCC N22683 N22387 PBR951
+ s7 F7 T, k7 [R_R34 0 N64836 100k TC=0,0 ! X( @* Z( z( y, g) C
V_V13 N65556 0 DC 0Vdc AC 10Vac
6 L: k. \$ n2 H0 M7 H7 TC_C25 0 N65078 1p TC=0,0
$ @5 [" s& y! m- }* {* F/ K2 b7 nR_R39 N65606 N65556 90 TC=0,0
+ _+ z9 V9 m* v! c# h7 YR_R28 N64854 N65118 100k TC=0,0 5 k4 Q6 c; b9 [
X_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP
- K( o, s M8 E. n8 d8 Y8 IR_R37 N65556 N65078 900k TC=0,0
: O' S. Z' V* z6 J* c, E, u3 e( ]R_R29 0 N64854 100k TC=0,0 - ^8 m3 d. M( t& W/ \7 @6 m% m& B
V_V11 VCC4 0 5Vdc( a2 r# b/ A8 m- X- i$ e
V_V12 0 VEE4 5Vdc, ~! u2 T9 c8 a: u0 t2 O
C_C22 N65556 N65078 1p TC=0,0 : w9 B1 J; V! [, F) A9 y
C_C21 N65078 N65606 10p TC=0,0
, Q$ W- Q2 K0 C$ d3 [6 ?R_R33 N64836 N65078 100k TC=0,0 7 h* u+ o) i, x% F% L8 \, m1 W% {& j
R_R30 N64844 N65304 10k TC=0,0
; k3 s6 N" b9 V% u* z& T8 R9 V, j; BC_C23 N65594 N65078 1p TC=0,0
6 [8 b2 c6 M4 w9 D# mX_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610 8 N2 ~' d6 j" a% d; x- b
R_R31 0 N64844 10k TC=0,0 - T! e" Y' L* c2 [: `" m
X_U11 VCC4 N65382 N65118 PBR951
+ g2 z9 T/ E/ x* d7 V) @C_C19 N64854 N64844 2p TC=0,0 . j2 Z/ _9 d1 F. v- T. w& w
R_R40 N65078 N65594 10 TC=0,0
1 R8 ~9 B% ~0 r! e- T1 YC_C26 0 N65594 91p TC=0,0
& M$ r: y: B% D" yC_C20 N65078 N65084 2p TC=0,0 ' L6 H: p( @% t" Q5 u
X_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP
0 ?, d9 t5 ?4 u* e6 c6 g6 D# MR_R32 N65304 N65084 10k TC=0,0
/ c* Y5 s4 y# e5 i: {R_R38 0 N65078 200k TC=0,0
7 i2 H8 l9 A' n% A9 u3 \2 ~R_R35 N64854 N64844 10000k TC=0,0 & Q' R8 p* ]# G2 ]
R_R36 VEE4 N65118 1k TC=0,0
7 u0 b/ i% U$ ]. S3 L% q9 j- xC_C24 N65556 N65606 1p TC=0,0 2 h5 R3 o* D9 Y6 _- z
R_R41 0 N35593 100 TC=0,0
" c7 Z) z) @# U. LR_R42 0 N35593 100 TC=0,0 ( \. _% Y8 C* O; T
R_R43 N66667 N35531 220k TC=0,0 9 b1 x' n/ Z. u# f
C_C27 N35593 N66667 1p TC=0,0
! ^+ F2 s- g; i' M9 S9 c" dR_R44 N68082 VCC3 1.1M TC=0,0
8 r l4 Y! r, \1 ~R_R45 N35531 N68082 1.1M TC=0,0 0 \2 i$ v/ _8 d1 e" g1 m
X_U12 N35531 N71678 N71678 VCC3 VEE3 AD80455 W8 F! T; G6 I- ?. f+ [
.PARAM rx=500k
$ I0 Q* x/ W/ m3 Y6 X) t**** RESUMING 01.cir ****" j, S) D$ v$ a/ S- s
.END4 M7 v% Z6 ^6 s& e
. ]( z/ q6 {" }9 q
**** EXPANSION OF SUBCIRCUIT X_U12 ****. X _9 K: S0 N; i6 Z: o7 g
X_U12.RCM15 N35531 X_U12.105 10MEG* T/ l; Y/ a5 `
X_U12.RCM25 N71678 X_U12.105 10MEG9 W2 q8 [, t' W* `4 K8 ]- k
X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1
$ x! y0 _: m1 T$ W u Z% QX_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN
7 `4 e" q4 {1 _9 GX_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN% [* N/ D# d& g j4 U$ ]: s# r0 _% L$ C
X_U12.RC1 VCC3 X_U12.5 537.15 T_ABS/ g0 p g3 }: X( g
------------------------------$
4 |9 m6 z0 u6 [7 m F- pERROR(ORPSIM-16145): unknown parameter% y( {) [' l! T0 N7 i
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发表于 2015-12-18 19:44
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