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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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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：9 O1 ^- J+ D! k. @7 k! O8 }1 M
$ f7 s: o; k$ _（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 ********
- f4 r7 s. L! N- m$ X$ x** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ]
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**** CIRCUIT DESCRIPTION
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******************************************************************************
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** Creating circuit file "01.cir"
. {) V5 t% w3 H- u** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS# l+ B7 s3 s5 u3 v1 N
*Libraries: # q7 ? X3 _' b" G- O
* Profile Libraries :$ [; o2 ]3 ^( A- k# x
* Local Libraries :/ [+ N' U5 y+ R- z) C& ` N
.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib"
% w) q7 e, W; r- w8 R! I.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib" W" d# B& W Y' a
.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib"
! P# M' Z2 _" q! }, e e.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib"
- K# S" E% ]- m.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib"
( S u6 C `5 N/ l% a4 A* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\OrCAD_PSpice/16.6.0/PSpice.ini file:
( p7 h( U* a0 o. H I( d*Analysis directives: * j& W1 m/ U: o
.AC DEC 10 10Hz 100000000Hz
$ l4 r! D: Q; G. A3 ~4 v$ K& c.OPTIONS ADVCONV6 T) ]/ c; ], b5 i
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*)) 1 V3 p# x) D! Y) u7 e' h) V
$
+ \/ M$ I X o# V. M, q, }9 Q% pERROR(ORPSIM-16058): Command ignored
9 {* M9 C: P+ \.INC "..\SCHEMATIC1.net"
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**** INCLUDING SCHEMATIC1.net ****
& h5 Z' z3 g: q/ Z$ c+ Z6 a3 L* source TEST3
' x2 p) ]% y! K/ _X_U3 N22677 N22309 VCC VEE N22589 ADA4610
, A' ?; G" t1 u" OC_C9 N22335 N22327 1000p TC=0,0 ; q9 G, u( S+ D! M* a6 ?
X_M4 VEE N22683 VEE VEE BF998WR/PLP
( {- g5 M# W6 B+ T( ?! aR_R15 N22317 N22589 10k TC=0,0
7 `9 f, c& T3 n2 U$ k) ZR_R16 0 N22677 500k TC=0,0 ! N& u/ k0 q8 l0 j
R_R19 N22309 N22387 500k TC=0,0 9 X6 F( o% _ k* v- q6 z3 M, [4 [
R_R20 0 N22309 500k TC=0,0 # V/ t8 p# M1 }' ~. }
R_R18 VEE N22387 500k TC=0,0
( a( z5 M5 d V! i3 a! T* uR_R13 N22677 N22335 500k TC=0,0 ' d* B: [& s f; q! t# D
R_R14 N22589 N22327 10k TC=0,0
1 L6 ^( L+ k, I8 |/ QX_M3 N22683 VCC N22327 N22327 BF998WR/PLP
/ _/ I, k5 w4 C2 |$ L' fR_R17 0 N22317 10k TC=0,0 + {- f O9 E( U
V_V7 VCC 0 5Vdc* o1 d% ~! U) O6 d; M0 w
V_V8 0 VEE 5Vdc
* P7 e! r% Z) x: r* cC_C10 N22309 N22317 1000p TC=0,0
; F' Z( q* F! I. jC_C7 0 N35645 91p TC=0,0
( O* N/ Y# C, ~% [8 WV_V2 VCC3 0 5Vdc
& z1 Z2 `% a5 Y" g# a. d. `C_C1 N35593 N35663 1p TC=0,0
2 V' K- Q& V& `+ Q3 oC_C5 N35645 N35531 1p TC=0,0
" f$ \) q% c7 i; { G8 K" C9 [C_C2 N35531 N35663 10p TC=0,0
' }' c( h h+ P; b) I+ VC_C4 N66667 N35531 1p TC=0,0 8 k, F$ L+ N4 X4 P
V_V1 N35593 0 DC 0Vdc AC 10Vac , i! A9 f: a: Y( ^) x
C_C6 0 N35531 1p TC=0,0 / B) w/ E. ]2 |' `7 w$ D
R_R2 N35593 N66667 680k TC=0,0
; y# x8 X0 R4 h) N$ S$ d# MR_R6 0 N35531 200k TC=0,0 ; ?/ m& N$ Q, S0 [$ V2 [4 w# R
R_R1 N35663 N35593 91 TC=0,0
' q5 D+ N( d x# jR_R5 N35531 N35645 10 TC=0,0 , Z# I& g3 f5 W) D
V_V3 0 VEE3 5Vdc2 U$ r0 m r, \- X6 j9 t
C_C14 N44706 N44772 1p TC=0,0 ) o9 P- I( o" @2 H$ A/ ?& n& h
C_C13 N44754 N44702 1p TC=0,0
Q" u0 k. E; A2 k- g. _0 N: RR_R24 N44702 N44754 10 TC=0,0
7 X' \ t) I. g& W! @C_C11 N44702 N44772 10p TC=0,0
/ S& {% t% d$ L; sR_R22 0 N44702 100k TC=0,0
0 ~& J+ R3 e% T( u3 P1 nV_V10 N44706 0 DC 0Vdc AC 10Vac
7 [ ~+ S( x V2 sR_R23 N44772 N44706 91 TC=0,0
$ Y: V* V: v5 F7 W! B% O) m" PC_C15 0 N44702 1p TC=0,0 4 ?5 c) E5 Z5 T/ E2 M
C_C16 0 N44754 91p TC=0,0 3 [2 I' G$ D# q4 F3 G
C_C12 N44706 N44698 1p TC=0,0 ' ~. d% F8 f( ]4 T8 @) H
R_R26 N44698 N44702 220k TC=0,0 $ S. F' @+ ]* {6 }$ R! H
R_R25 N44706 N44698 680k TC=0,0
; \9 o5 V8 _. U+ C) |, s" vC_C17 N44698 N44702 1p TC=0,0 9 J) O7 b2 s/ Y+ }, T% W, V V& x
V_V9 N22335 0 DC 0Vdc AC 1Vac - Z! S- z) s! J1 s D1 y
X_U8 VCC N22683 N22387 PBR951
5 Y: S: g, P Z, qR_R34 0 N64836 100k TC=0,0
7 H$ {% V( k% ]6 a& LV_V13 N65556 0 DC 0Vdc AC 10Vac ; \/ F: y) g. V$ o. a p" J/ C
C_C25 0 N65078 1p TC=0,0 ; x" x) Q6 z. K4 _8 }! O7 c4 ?
R_R39 N65606 N65556 90 TC=0,0
) w: M2 b/ a' v' S8 _# S# \, Y. y. _R_R28 N64854 N65118 100k TC=0,0
2 O, F+ l5 P5 oX_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP
. m9 o( p5 e$ jR_R37 N65556 N65078 900k TC=0,0
- K6 U3 r0 P3 \! u) {R_R29 0 N64854 100k TC=0,0
9 L A7 Y* q; S! Q. Y4 bV_V11 VCC4 0 5Vdc
' a2 P, E" \/ k+ T9 ^4 E& \V_V12 0 VEE4 5Vdc& h4 U# |! @* |0 Q. x3 Y
C_C22 N65556 N65078 1p TC=0,0
% O( d3 J- N1 S$ H- {C_C21 N65078 N65606 10p TC=0,0
2 |# g& Q5 i8 G' b& {) R: {R_R33 N64836 N65078 100k TC=0,0
% s' v# B: Q# tR_R30 N64844 N65304 10k TC=0,0 % B( q& C- x, T6 L
C_C23 N65594 N65078 1p TC=0,0
# p. A+ G- X+ T- v$ D% LX_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610 * A" C, h* O5 N2 r
R_R31 0 N64844 10k TC=0,0 . N5 o$ s) s: H8 X1 h$ m2 _( \; {
X_U11 VCC4 N65382 N65118 PBR951* i$ X2 V) O- T$ p- O! w( J
C_C19 N64854 N64844 2p TC=0,0
7 T, Z7 F Q- B9 k" |R_R40 N65078 N65594 10 TC=0,0
# J" w L9 x3 g/ U: m$ H! f. d. nC_C26 0 N65594 91p TC=0,0 0 { N$ C5 f4 _
C_C20 N65078 N65084 2p TC=0,0
6 y5 V- l3 t, x9 a* G- x1 TX_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP
5 Q6 O! D W4 b5 dR_R32 N65304 N65084 10k TC=0,0 & U# e- Q" X# ]- x, J
R_R38 0 N65078 200k TC=0,0
, h' {- ]. A' R$ ~R_R35 N64854 N64844 10000k TC=0,0 : ^7 e. {: v7 i. [4 J! o5 W
R_R36 VEE4 N65118 1k TC=0,0 . |) o- A- H+ I0 Q K% C) `) b
C_C24 N65556 N65606 1p TC=0,0
( g" L( H% e1 h# m( T" f+ V! XR_R41 0 N35593 100 TC=0,0 8 T" V. u5 K% `# l8 f7 h& P' f
R_R42 0 N35593 100 TC=0,0
, |' @& _* T7 Y5 |! I& `! {R_R43 N66667 N35531 220k TC=0,0 . D1 W) f+ w9 s4 _& r, G# V$ h
C_C27 N35593 N66667 1p TC=0,0 9 r9 x, |/ f$ P+ Z3 h
R_R44 N68082 VCC3 1.1M TC=0,0
9 d; C9 Z. r, tR_R45 N35531 N68082 1.1M TC=0,0 2 S/ U# Q8 @6 q g3 O
X_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045, S H" O- _" J: C3 w; W1 I6 R1 c
.PARAM rx=500k3 f; p$ G4 R+ x1 h& [( K% v
**** RESUMING 01.cir ****: h( t2 G V r# p2 e
.END
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**** EXPANSION OF SUBCIRCUIT X_U12 ****
4 v0 I9 L9 K$ R {% yX_U12.RCM15 N35531 X_U12.105 10MEG
+ q: j, i+ Q" E ?2 o) [X_U12.RCM25 N71678 X_U12.105 10MEG& ?/ A' S: Q8 y4 |% h; S
X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1. c$ l$ t- O( W, a6 f R+ R
X_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN# [8 _+ P! m' u$ H+ @9 A1 G
X_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN
1 B R2 _1 Q+ KX_U12.RC1 VCC3 X_U12.5 537.15 T_ABS B7 e6 P W% p+ w& P
------------------------------$$ G# e( [4 V O( b+ W
ERROR(ORPSIM-16145): unknown parameter% ] \7 R x2 j# \0 W6 T! n
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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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