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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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6 b3 C/ N" D- m. [/ k4 ]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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; u: Q! s2 w) T- e3 L9 K$ O（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 o, G" A4 M# A* b* t ** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ] 7 I' G8 ^. ^2 i7 ?
4 d+ x5 O9 Q$ \( [
**** CIRCUIT DESCRIPTION
# j' o1 o8 x/ J4 a8 d4 ^; h7 @+ v- O1 o( a! B
******************************************************************************$ \ ^5 A+ K' X2 q1 l) h
( \" G, ?, m% F1 T- h, m2 X! |6 ~! }( [- H, z
** Creating circuit file "01.cir" : m6 S, b" q' u" |+ E1 V
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
2 w4 n- m( ?. p9 J*Libraries: 6 S' ^- r' Z5 S* i" A9 ^3 z( w3 q' l
* Profile Libraries :
8 y0 I' Z0 l5 U/ h ]/ {8 P9 n* Local Libraries :! U" ~8 f, h/ S( a% I2 |& i2 x! l9 F j
.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib" . y. q- W' d. V7 m m; \7 ]( U
.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib" 5 v! t+ r) H/ z% W& X3 z R
.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib" 3 o7 e* g, \& q4 C; B
.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib"
: q& i# n0 j9 G6 `. I' W.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib" 6 E; I, x& {8 G. ]( J- e8 I
* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\OrCAD_PSpice/16.6.0/PSpice.ini file:, k& ]7 E y3 M0 w( c+ f$ L
*Analysis directives: 5 s" d5 k3 Q& f$ t: S
.AC DEC 10 10Hz 100000000Hz
+ s2 B; z2 g1 b: q* H$ Y1 T. [.OPTIONS ADVCONV+ l1 y( K- S& O2 \+ @7 X
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*)) 5 y8 R! f/ R' Z2 s4 c
$
7 J& g; y4 W5 q2 g! Y+ L* cERROR(ORPSIM-16058): Command ignored
! n( E% X+ k/ c/ c0 s) d.INC "..\SCHEMATIC1.net"
0 v% x- ?% @) G5 c K3 R& Q* V1 X" D/ g9 l. S6 u0 |8 P0 m
**** INCLUDING SCHEMATIC1.net ****
8 u* b1 S0 X5 l% ~5 p" }% F* source TEST3) c9 X6 m2 @1 G" p- K B
X_U3 N22677 N22309 VCC VEE N22589 ADA4610
& P: S6 X( y4 s jC_C9 N22335 N22327 1000p TC=0,0
" v) k# o1 S6 |3 j! ^. b% QX_M4 VEE N22683 VEE VEE BF998WR/PLP
- }+ l e) \. Q4 J( j3 ?8 tR_R15 N22317 N22589 10k TC=0,0 . M! E9 }( V5 m4 z d& ~: J( h. b: V
R_R16 0 N22677 500k TC=0,0 2 r) \1 N" g' L3 F/ F5 |# F& n
R_R19 N22309 N22387 500k TC=0,0 ( p+ y, z' N, W8 G! u; p% X. V
R_R20 0 N22309 500k TC=0,0 2 g. r7 B& O! C9 _7 F( i9 O
R_R18 VEE N22387 500k TC=0,0 7 ?& u% @5 r; n0 R' P& K) K ~1 J: f
R_R13 N22677 N22335 500k TC=0,0
- k0 C$ ~& n! A5 \2 r" ~1 OR_R14 N22589 N22327 10k TC=0,0 + R9 w& k! x3 ?0 \: V7 q
X_M3 N22683 VCC N22327 N22327 BF998WR/PLP5 Q2 u/ f' E: K% I! @* z) ]
R_R17 0 N22317 10k TC=0,0 y5 f; q+ q$ k- [2 V
V_V7 VCC 0 5Vdc6 l& A% m$ Z* I. m4 M# V; f( n
V_V8 0 VEE 5Vdc2 P8 V9 a9 c k- Z5 }! s
C_C10 N22309 N22317 1000p TC=0,0
; p* b, a" Y* s4 T/ {4 F0 lC_C7 0 N35645 91p TC=0,0
3 c1 ~4 h' r6 C! Z' b7 f, t* TV_V2 VCC3 0 5Vdc {: Z& O/ b7 Q! D7 n" X" ]- z/ Q
C_C1 N35593 N35663 1p TC=0,0
% z2 t0 j4 r8 }5 xC_C5 N35645 N35531 1p TC=0,0 3 o! |1 Z, y/ ~3 n8 A/ p6 q% L% C
C_C2 N35531 N35663 10p TC=0,0 " P! L2 P6 w/ B% G5 T
C_C4 N66667 N35531 1p TC=0,0 ; r; {8 X) s, T* ~& l' v
V_V1 N35593 0 DC 0Vdc AC 10Vac 3 L1 R) T( t- R
C_C6 0 N35531 1p TC=0,0 6 `9 g5 x. R8 }3 M3 t
R_R2 N35593 N66667 680k TC=0,0 9 m9 O' @" F6 R* W9 t" Q
R_R6 0 N35531 200k TC=0,0
" r& c0 }$ w6 j/ CR_R1 N35663 N35593 91 TC=0,0 * T" t2 x5 D: X& A
R_R5 N35531 N35645 10 TC=0,0
v P$ a" z% A3 A f1 E( z* aV_V3 0 VEE3 5Vdc7 P* Y ]9 z8 r
C_C14 N44706 N44772 1p TC=0,0 S9 N" i% C( W7 }8 P
C_C13 N44754 N44702 1p TC=0,0
1 x2 W) B1 {) @5 UR_R24 N44702 N44754 10 TC=0,0
: p) H* }+ @( r+ L$ `" |3 P _C_C11 N44702 N44772 10p TC=0,0
; {6 f- o& Y7 c ?R_R22 0 N44702 100k TC=0,0 3 w, g4 y" w0 z7 g
V_V10 N44706 0 DC 0Vdc AC 10Vac
+ ~' S& r; k o( FR_R23 N44772 N44706 91 TC=0,0 X1 e, q6 {& [/ d& q' A& W
C_C15 0 N44702 1p TC=0,0 9 E7 _. b' ]6 k# c+ z6 W
C_C16 0 N44754 91p TC=0,0 " T7 r, s- D- m- Q+ d0 Y7 E8 o
C_C12 N44706 N44698 1p TC=0,0 - v7 d, B' j2 _; W. F# W) [
R_R26 N44698 N44702 220k TC=0,0
2 e! }# i5 [; }2 \# A0 WR_R25 N44706 N44698 680k TC=0,0
# `! Q( U& H1 `( e7 ?C_C17 N44698 N44702 1p TC=0,0
! ?- Y+ K8 m9 Q1 s; d# m5 I( eV_V9 N22335 0 DC 0Vdc AC 1Vac
4 Z2 Q, t/ P7 w8 OX_U8 VCC N22683 N22387 PBR951
1 z: ?1 D) f! q: iR_R34 0 N64836 100k TC=0,0
7 N- R6 J3 p- R- {; [- `$ rV_V13 N65556 0 DC 0Vdc AC 10Vac 9 ~' V5 w3 g: h% ^; L$ t
C_C25 0 N65078 1p TC=0,0 % k+ V+ b+ k" f% S3 [6 v
R_R39 N65606 N65556 90 TC=0,0
/ ?) G5 k, d) C2 R, @* ^3 S; rR_R28 N64854 N65118 100k TC=0,0 & {$ ~2 Z( O! v8 S2 R: U5 o
X_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP
& B- `0 r) Y3 o( L3 n/ ~2 F# LR_R37 N65556 N65078 900k TC=0,0
2 ~# W9 g2 _% w! X# V! t/ YR_R29 0 N64854 100k TC=0,0
. k P& v! j9 \ d- v! f8 wV_V11 VCC4 0 5Vdc
* z: ?3 }( t3 x' [0 j+ J. m" TV_V12 0 VEE4 5Vdc- x6 Y- `5 w. o& V3 X
C_C22 N65556 N65078 1p TC=0,0
4 k' G- |' D+ w- F: m2 z! vC_C21 N65078 N65606 10p TC=0,0
0 R: M' }% j' G3 ]R_R33 N64836 N65078 100k TC=0,0
5 O; A$ J! [$ ?' a. H9 }R_R30 N64844 N65304 10k TC=0,0 9 w, @3 z( z7 k2 g
C_C23 N65594 N65078 1p TC=0,0 4 M& ]- G. _8 U2 k7 o( S/ E9 |" B
X_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610
: G9 L3 [0 f# y, u9 ~. o( mR_R31 0 N64844 10k TC=0,0 $ }/ \! U- k( _$ j3 }% u
X_U11 VCC4 N65382 N65118 PBR951
6 B: }( N. P" {: g( P$ [9 [C_C19 N64854 N64844 2p TC=0,0
8 |) k& Q5 c% u) L( L9 `7 E2 pR_R40 N65078 N65594 10 TC=0,0 ' u0 P: X9 z" V; f" Z' _ _% P$ V9 |
C_C26 0 N65594 91p TC=0,0
V% a5 J8 I/ tC_C20 N65078 N65084 2p TC=0,0 x+ Z; [5 M! o# }' U j6 U
X_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP
3 m8 s' D* B4 `3 B; @: YR_R32 N65304 N65084 10k TC=0,0 5 h/ y9 V. s; l3 I2 A
R_R38 0 N65078 200k TC=0,0 " |- l* F# C! l; L( v0 r
R_R35 N64854 N64844 10000k TC=0,0
# K- S* }& l- T ]R_R36 VEE4 N65118 1k TC=0,0 $ M" E* ?. s: A% k) f
C_C24 N65556 N65606 1p TC=0,0
a5 B2 [' @! a7 \+ XR_R41 0 N35593 100 TC=0,0 # w: u4 x# K$ s$ z
R_R42 0 N35593 100 TC=0,0 $ I9 S8 P6 F4 h
R_R43 N66667 N35531 220k TC=0,0 $ g, L& T- T9 }; m, _
C_C27 N35593 N66667 1p TC=0,0 n9 M. J& |3 `! k9 K% Q5 U ?
R_R44 N68082 VCC3 1.1M TC=0,0
7 h+ |4 @% D5 g- {/ SR_R45 N35531 N68082 1.1M TC=0,0 - d0 Y, ~& W" c9 h/ e: y7 Q Y
X_U12 N35531 N71678 N71678 VCC3 VEE3 AD80454 O, B; B9 E, X2 t a
.PARAM rx=500k
' A3 b0 E# l6 a- |3 `9 ?**** RESUMING 01.cir ****
" A0 z4 I1 q8 R$ H$ A.END1 N& ~- e9 k9 M' Z& g/ y; I& F
% {2 k/ ]( y. d: s**** EXPANSION OF SUBCIRCUIT X_U12 ****3 ~! P3 }, [ `/ E$ `
X_U12.RCM15 N35531 X_U12.105 10MEG
/ U" X0 c. h% Q1 \4 @ ^X_U12.RCM25 N71678 X_U12.105 10MEG% m. ]7 Y7 P7 P4 j
X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 17 R" m6 u9 t& B7 u `! g
X_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN, u( G* ?1 @1 w$ s2 T+ F" L0 h5 o
X_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN
2 `" q0 f3 }. ~X_U12.RC1 VCC3 X_U12.5 537.15 T_ABS
# i/ \1 \3 T+ e------------------------------$
+ x3 S% R( F+ S e' gERROR(ORPSIM-16145): unknown parameter% n' x) R) T, k F, I. x
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发表于 2015-12-18 19:44
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