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电路是一个很简单的分压电路加一个运放,如下:+ Y2 x! `6 M# K, w
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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:: r, m9 E0 k& Q+ r/ J
! @& F" E8 K7 Q0 A$ f D(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 ********9 a1 z( y3 Z6 e( ]: q! h" E3 h
** 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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, g+ Z5 b& i$ I8 u******************************************************************************7 Q, ?( p! u4 J
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: ~6 F5 h* W1 Q3 P& U3 a- j** Creating circuit file "01.cir"
7 ~, d# y7 L& T1 b** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
( H$ P, {$ S0 m# M7 Y' }*Libraries: 1 {$ e. U2 p3 \0 z$ f
* Profile Libraries :
3 A* m. u* E: N4 ~" b% m! X" h. Y* Local Libraries :2 J L6 K1 M J/ e& o
.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib" 4 Q I5 _! a/ V3 q6 [7 p- m% S/ H8 k
.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib"
B" a) j2 e0 j% |.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib" # Q0 ~* h$ E0 Q' [' e. v; }; O
.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib" * K) d6 } M( k; v2 u
.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib"
: H: f- [. q' \: N) P1 x' t- ]* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\OrCAD_PSpice/16.6.0/PSpice.ini file:* J3 \- F( b! y0 Y$ N/ s
*Analysis directives: # K* U1 p% ~5 j# N
.AC DEC 10 10Hz 100000000Hz
9 I7 ]" L9 G: n+ c" p ^. c* Z) a.OPTIONS ADVCONV# _2 ]0 ^' P: S
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*))
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ERROR(ORPSIM-16058): Command ignored" q4 J4 E' Y8 I3 ?# ~# C- |
.INC "..\SCHEMATIC1.net"
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N$ [' l, m. B, r8 u$ s**** INCLUDING SCHEMATIC1.net ****
1 m$ u/ k# B% z D$ {* source TEST3) `9 L L7 l& R6 Z" |% i9 `
X_U3 N22677 N22309 VCC VEE N22589 ADA4610
9 L2 S4 T& i# U- ~C_C9 N22335 N22327 1000p TC=0,0 + D% w( p1 j3 I4 e2 `/ i
X_M4 VEE N22683 VEE VEE BF998WR/PLP+ w9 v; w: Z( C6 S
R_R15 N22317 N22589 10k TC=0,0
" K6 H4 H& ?& r7 v5 j2 S5 S0 MR_R16 0 N22677 500k TC=0,0
8 c! W) g# O; s4 fR_R19 N22309 N22387 500k TC=0,0
2 i/ W6 _: T5 j0 YR_R20 0 N22309 500k TC=0,0 3 b( P2 H) B4 w+ j( I3 F3 z+ ]
R_R18 VEE N22387 500k TC=0,0
2 d( X8 S0 K1 d+ }8 R* pR_R13 N22677 N22335 500k TC=0,0 : Y* n- A; n, b% [( O7 ]
R_R14 N22589 N22327 10k TC=0,0
2 G7 D) p1 ]+ V9 i( kX_M3 N22683 VCC N22327 N22327 BF998WR/PLP
: X# ^" G7 r3 tR_R17 0 N22317 10k TC=0,0 3 t8 n" z }& g" z* \" t
V_V7 VCC 0 5Vdc& h) H9 V0 b, P% d5 Y. J# N! t! T
V_V8 0 VEE 5Vdc0 r, }% p% p# q: ?/ k5 m
C_C10 N22309 N22317 1000p TC=0,0 " i/ D6 Q' w5 a6 u; E' B
C_C7 0 N35645 91p TC=0,0
6 \+ r2 h3 P8 c) {. W) m7 qV_V2 VCC3 0 5Vdc
2 p0 j% V$ T; F+ x8 hC_C1 N35593 N35663 1p TC=0,0 ' w- }( }1 s& D, |5 V
C_C5 N35645 N35531 1p TC=0,0 ) l3 h' g0 o2 g/ @1 b1 P2 ~
C_C2 N35531 N35663 10p TC=0,0
- h0 U6 H, {6 X# Q9 S( d' VC_C4 N66667 N35531 1p TC=0,0 " {4 s& U8 P: E1 n# I# w4 Q5 N
V_V1 N35593 0 DC 0Vdc AC 10Vac
7 C0 B5 l H9 p5 P/ G" VC_C6 0 N35531 1p TC=0,0 9 @% I2 g/ {# @/ b
R_R2 N35593 N66667 680k TC=0,0
- e3 V1 d" G: M4 p* G& _; G6 lR_R6 0 N35531 200k TC=0,0
- ]2 X/ ~1 o4 ?R_R1 N35663 N35593 91 TC=0,0
% u. X& K1 n' a5 lR_R5 N35531 N35645 10 TC=0,0 6 F2 c! B9 U1 A' |+ E9 S
V_V3 0 VEE3 5Vdc n5 X4 b- k2 m
C_C14 N44706 N44772 1p TC=0,0
- L; R8 v+ w2 q. `4 @C_C13 N44754 N44702 1p TC=0,0
4 T1 D; _& B( cR_R24 N44702 N44754 10 TC=0,0 $ |/ I8 A$ r. Q2 s8 e$ M: m
C_C11 N44702 N44772 10p TC=0,0
- {* \2 o' p+ z2 r/ RR_R22 0 N44702 100k TC=0,0
2 ~% g6 K5 z2 E, v, a9 SV_V10 N44706 0 DC 0Vdc AC 10Vac
! S# i9 v' j6 ]5 H/ p' IR_R23 N44772 N44706 91 TC=0,0 ' C+ `4 r5 ^& Z! B) O+ U2 e
C_C15 0 N44702 1p TC=0,0
: x. |) D0 [6 D7 i2 K% V( VC_C16 0 N44754 91p TC=0,0
# y( r' k% A4 @* \9 qC_C12 N44706 N44698 1p TC=0,0
- g; W3 N' h( t1 Y2 JR_R26 N44698 N44702 220k TC=0,0 : u7 p) i5 q% X: q' Z ^1 g6 o
R_R25 N44706 N44698 680k TC=0,0
& E- i0 N6 {0 ~9 Y" }C_C17 N44698 N44702 1p TC=0,0
, y/ B- ~4 Y5 zV_V9 N22335 0 DC 0Vdc AC 1Vac
1 d* ~( b7 t$ Z: _+ ZX_U8 VCC N22683 N22387 PBR9517 v/ Y- H: J6 j9 i* F
R_R34 0 N64836 100k TC=0,0 . j! }. Q% i8 ]+ f8 I2 C
V_V13 N65556 0 DC 0Vdc AC 10Vac 0 g0 [6 w* R' [& F( i; C% x4 e
C_C25 0 N65078 1p TC=0,0
% c8 ?1 ]$ _& ]& ]5 D4 bR_R39 N65606 N65556 90 TC=0,0
5 ?$ t! C0 ~% j: k3 F o) b9 J5 UR_R28 N64854 N65118 100k TC=0,0 # m# \6 ^* D1 F$ l$ A2 \1 d2 e, j6 H
X_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP- p1 q! a' ^6 J$ h; P X
R_R37 N65556 N65078 900k TC=0,0
; p, G! q1 i9 J- K( p* V3 i CR_R29 0 N64854 100k TC=0,0
& O$ Z1 k/ A8 ~5 KV_V11 VCC4 0 5Vdc; y2 F5 U4 e) g) Z
V_V12 0 VEE4 5Vdc1 w/ t* t, v+ z# f; ]
C_C22 N65556 N65078 1p TC=0,0
8 q9 |" p6 h0 j1 v: @/ W! IC_C21 N65078 N65606 10p TC=0,0
0 b1 w: Z: f, L. o" mR_R33 N64836 N65078 100k TC=0,0 ( v4 a2 ~5 M; L3 K
R_R30 N64844 N65304 10k TC=0,0 % I4 m) n$ _0 h, E. p4 v% S
C_C23 N65594 N65078 1p TC=0,0
! L8 u' }: ^# W6 T, T; D1 B, vX_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610 5 n4 u& t* r: x2 C5 T" f' x
R_R31 0 N64844 10k TC=0,0 9 Z' W' l1 r. i. A1 X ?1 J1 E' ~
X_U11 VCC4 N65382 N65118 PBR9519 D9 H5 G: X( y5 b B
C_C19 N64854 N64844 2p TC=0,0
7 A: o5 R; o" k: {9 g8 pR_R40 N65078 N65594 10 TC=0,0
5 F7 E; C7 Y3 W* ~& U( p& p& sC_C26 0 N65594 91p TC=0,0 , [0 r1 D. c% c! h- }
C_C20 N65078 N65084 2p TC=0,0 ) f" g9 E. h" ^8 v O5 F5 C
X_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP% X( S$ a, p0 N& F; B$ W
R_R32 N65304 N65084 10k TC=0,0 & a0 M6 f1 \# H
R_R38 0 N65078 200k TC=0,0 : m) h! p d1 B( L$ n
R_R35 N64854 N64844 10000k TC=0,0
% Y3 A; y! Y1 }R_R36 VEE4 N65118 1k TC=0,0
. X9 X, v- E7 vC_C24 N65556 N65606 1p TC=0,0
6 O& B l4 U: ~& SR_R41 0 N35593 100 TC=0,0 # w: ^" ^1 l4 y( E; [1 j
R_R42 0 N35593 100 TC=0,0 6 B' x& h/ _ [4 O4 {
R_R43 N66667 N35531 220k TC=0,0
6 C8 m& Y" u4 H. ^C_C27 N35593 N66667 1p TC=0,0
& f0 W- S& m* f* WR_R44 N68082 VCC3 1.1M TC=0,0
. n9 o& Y: L3 v% UR_R45 N35531 N68082 1.1M TC=0,0 & f0 n6 ?7 Z6 g" w l
X_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045
. q& r: v/ ]; o% V2 ~- a.PARAM rx=500k9 a x. L! g: X2 Z# B% {
**** RESUMING 01.cir ****
8 B- `2 W2 M, ]' x5 V% B/ J.END. l4 _5 ?: b3 {6 t/ S: M Z* C: R
9 y3 _! m8 r S9 i0 @( A2 n**** EXPANSION OF SUBCIRCUIT X_U12 ****
# r# T n# O) s" zX_U12.RCM15 N35531 X_U12.105 10MEG- X. v- P, S/ k2 R* f
X_U12.RCM25 N71678 X_U12.105 10MEG
- l5 j( Z1 l% v! {X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1" t5 k: \6 ?4 M4 d8 c8 Q z' {
X_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN8 r" C3 p6 |; Y' Y& P6 C
X_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN" k' x7 b5 J+ B; r: ], J
X_U12.RC1 VCC3 X_U12.5 537.15 T_ABS* k: f: T- t$ p
------------------------------$; x( [) G5 \: v- M( h$ Y
ERROR(ORPSIM-16145): unknown parameter
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