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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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: [; a) ^5 I/ O5 K# k% V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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2 v4 P: X6 O9 |5 v: D, h& ^(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。)1 j8 E! p& L& Y' `9 z4 T* R7 x
. V H' u* u6 P! \**** 12/18/15 18:43:33 ***** Pspice 16.6.0 (October 2012) ***** ID# 0 ********( ~. Y- w0 b/ r5 S7 m$ `0 T/ t
** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ]
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$ `' o; [$ j, u4 O X' {+ O**** CIRCUIT DESCRIPTION, @' `2 X2 P/ ?) J
7 e2 T' T# |2 v8 i8 G' h******************************************************************************! t+ ?5 S5 G8 ?+ P4 p
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9 b$ A- u5 ^( D/ H( R- b/ D$ B8 z** Creating circuit file "01.cir"
- Q& k$ _4 @; ~ Q" T7 q% S# w** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
6 k, D# i y" o9 t6 S' v*Libraries:
% k/ P) S& k; ^' d9 r% S* Profile Libraries :$ f2 Z4 v/ P" X8 Q% [! b9 m
* Local Libraries :! A% S' Z- D5 ?% F0 D3 `1 S4 t
.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib"
, D; b' S$ L' g6 L$ W+ L: ~( L.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib" ! e! j) C$ ?4 I# m' A) P1 k
.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib" 5 z* W: `& l: |2 h6 c2 g$ l# ^
.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib"
3 `. j, J1 s2 `3 r.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib"
) ^1 ]1 A; B: m* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\orcad_PSpice/16.6.0/PSpice.ini file:
6 K" _6 l) ~: c7 V8 h/ e*Analysis directives:
1 [4 [ e- J" A5 d% [5 d.AC DEC 10 10Hz 100000000Hz
0 p: L# E* b) F% p4 [ t' j.OPTIONS ADVCONV+ z# |- e7 f; {- b- z4 E+ Z# @
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*)) 0 V$ R; H, G3 B9 {; w
$
# p% ?+ ], p, h" J) Y0 E* vERROR(ORPSIM-16058): Command ignored
. \# U7 v1 F* ` G6 P. u J.INC "..\SCHEMATIC1.net" . S1 d/ `$ l. [5 W1 e+ R. ~3 @
% i' p5 k8 C* U% e**** INCLUDING SCHEMATIC1.net ****& V) {+ ~4 n" l: X' `/ O
* source TEST32 v& }. K# d2 ?$ A( n3 B
X_U3 N22677 N22309 VCC VEE N22589 ADA4610
1 D* ?( d; P' h! R; _; }- I- w$ AC_C9 N22335 N22327 1000p TC=0,0 4 E2 E. w& R, M# ~' f
X_M4 VEE N22683 VEE VEE BF998WR/PLP U+ w: a$ l F3 O
R_R15 N22317 N22589 10k TC=0,0 4 ^2 G, q- C5 i) V
R_R16 0 N22677 500k TC=0,0
7 Q$ i$ F( t% W0 O0 D' r4 oR_R19 N22309 N22387 500k TC=0,0
5 V$ V n$ h# O7 b5 x: u; DR_R20 0 N22309 500k TC=0,0 2 F: `7 g0 t& t3 I+ e
R_R18 VEE N22387 500k TC=0,0
7 O, d- I% ?, u( e+ {: FR_R13 N22677 N22335 500k TC=0,0 2 I6 ?0 V, V; s# P' x* J2 Y
R_R14 N22589 N22327 10k TC=0,0
5 c2 h; _( k! z8 o% _7 p8 |' pX_M3 N22683 VCC N22327 N22327 BF998WR/PLP
% w1 ]1 r3 ^! Y6 q2 u& \R_R17 0 N22317 10k TC=0,0
$ j( v# @( a4 i* J$ X( V" fV_V7 VCC 0 5Vdc% j8 {9 A6 L" s C
V_V8 0 VEE 5Vdc& w5 x! t( |3 \! J
C_C10 N22309 N22317 1000p TC=0,0
' d% ~9 p9 [9 E1 P9 H3 u, L/ pC_C7 0 N35645 91p TC=0,0
# K& z( Y; x9 l$ s* f4 AV_V2 VCC3 0 5Vdc
% _" e/ r9 t ZC_C1 N35593 N35663 1p TC=0,0 1 _% j3 K& a9 I" C, s% d4 d: K' G h
C_C5 N35645 N35531 1p TC=0,0 , W u1 W$ V) H- X3 d1 C) V# E
C_C2 N35531 N35663 10p TC=0,0
; s W0 h' h9 o4 Z* M8 N! RC_C4 N66667 N35531 1p TC=0,0
2 `7 b1 w ~2 w7 p7 h }* bV_V1 N35593 0 DC 0Vdc AC 10Vac 5 A) J( b% O" T
C_C6 0 N35531 1p TC=0,0 2 p; v- x! S' R% S6 U
R_R2 N35593 N66667 680k TC=0,0 ' \4 E$ |/ v+ p5 ` x" z5 j. Y1 d
R_R6 0 N35531 200k TC=0,0
8 O5 b7 ^# Y; a: |1 a4 iR_R1 N35663 N35593 91 TC=0,0 % O; e, w2 T' {% h
R_R5 N35531 N35645 10 TC=0,0
4 P- z7 P4 ^2 @! B" T0 RV_V3 0 VEE3 5Vdc3 V, f7 X6 c# X/ n
C_C14 N44706 N44772 1p TC=0,0
0 y6 G/ h4 T3 p! u/ n5 l$ lC_C13 N44754 N44702 1p TC=0,0 . |. T: L+ y! H, h! L
R_R24 N44702 N44754 10 TC=0,0
3 b8 O2 A- B& M4 c- q- jC_C11 N44702 N44772 10p TC=0,0
S, y m; w8 u8 |# [R_R22 0 N44702 100k TC=0,0 : E0 r( D7 l, e
V_V10 N44706 0 DC 0Vdc AC 10Vac ' p& f' [# ^6 L
R_R23 N44772 N44706 91 TC=0,0 ' s5 e9 b; }1 N5 E( ~
C_C15 0 N44702 1p TC=0,0 2 {% E* X5 G' I, c% A
C_C16 0 N44754 91p TC=0,0
2 |$ }' w- \: |, ? r4 H& nC_C12 N44706 N44698 1p TC=0,0
n' L, n/ f* j DR_R26 N44698 N44702 220k TC=0,0
# k$ e% h) o' a3 BR_R25 N44706 N44698 680k TC=0,0 , m: @. `" U% _# m# P
C_C17 N44698 N44702 1p TC=0,0 # |" q- v3 }, S) r; S" I/ Z
V_V9 N22335 0 DC 0Vdc AC 1Vac 8 o' z8 F& x8 i
X_U8 VCC N22683 N22387 PBR951" p3 f5 W w( H' s9 Y) F# E3 O
R_R34 0 N64836 100k TC=0,0
, w+ W( |' V3 y0 mV_V13 N65556 0 DC 0Vdc AC 10Vac
- T/ w, m3 Z) o0 t+ Q- KC_C25 0 N65078 1p TC=0,0
% O/ s* _" ?: C( `* l, qR_R39 N65606 N65556 90 TC=0,0 8 R8 @* @: o, C Q* l& P
R_R28 N64854 N65118 100k TC=0,0
/ {& Z- \0 H- o6 I! A! [3 l( e5 F kX_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP
+ ^5 u0 x3 @7 @7 q0 N0 m" ~R_R37 N65556 N65078 900k TC=0,0 ! l& u/ M3 ]# ~# b+ G k! T
R_R29 0 N64854 100k TC=0,0 / g! x& c, i9 M3 t3 V
V_V11 VCC4 0 5Vdc
) G" L, z, m1 P1 C" p( J; lV_V12 0 VEE4 5Vdc
, _* K; n L6 e) GC_C22 N65556 N65078 1p TC=0,0
6 A% {! b( d I# \- u# l6 {& b- TC_C21 N65078 N65606 10p TC=0,0
; Y4 ^0 ^3 a/ i) R/ c: DR_R33 N64836 N65078 100k TC=0,0
9 d- y( V( U9 g0 k& n% j) A2 V, ?: ?R_R30 N64844 N65304 10k TC=0,0
1 h6 a8 X5 R9 ]8 O7 sC_C23 N65594 N65078 1p TC=0,0 - a: e9 e% z0 u
X_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610
' o% X6 ?$ p! PR_R31 0 N64844 10k TC=0,0
% g+ Q5 p/ n: C- Z4 ZX_U11 VCC4 N65382 N65118 PBR951# x% g% V4 j4 q0 g1 E. G1 _, W
C_C19 N64854 N64844 2p TC=0,0
# M& j! k* x6 q0 {( P' _# w/ E+ zR_R40 N65078 N65594 10 TC=0,0
5 X8 N$ V% H/ \8 xC_C26 0 N65594 91p TC=0,0 1 o& V, b& |7 Y& n2 W
C_C20 N65078 N65084 2p TC=0,0 & `& w b' p% W% |; e
X_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP
J0 k/ Y8 [; l$ h8 k7 |R_R32 N65304 N65084 10k TC=0,0 d4 y8 a% C3 o+ v$ h0 m
R_R38 0 N65078 200k TC=0,0 & D0 ~+ ]2 z! f$ l1 z
R_R35 N64854 N64844 10000k TC=0,0 . y! g2 D* q- g5 h* A% C/ W% v( j
R_R36 VEE4 N65118 1k TC=0,0 4 G7 t+ p9 Q1 o; o: F" F
C_C24 N65556 N65606 1p TC=0,0
1 P) R: U% \' |: u/ v3 S" S" aR_R41 0 N35593 100 TC=0,0 & \, g: X* @: n: q5 S$ L3 L' }- L
R_R42 0 N35593 100 TC=0,0 ; C+ s9 ~" e+ v/ E3 n0 J
R_R43 N66667 N35531 220k TC=0,0
$ f! u$ Z- P0 V @& E b* WC_C27 N35593 N66667 1p TC=0,0
/ S3 H- ~+ S0 x* ]R_R44 N68082 VCC3 1.1M TC=0,0 6 M1 J3 T9 V+ o1 R! x* h0 a: r
R_R45 N35531 N68082 1.1M TC=0,0 + y! i4 W* ~/ [/ _9 c
X_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045
$ Z" e# w7 v; m* g+ R# H. ] k.PARAM rx=500k
7 \3 { x2 R+ S7 q$ }, t**** RESUMING 01.cir ****
' Y n+ u6 F! t- ].END# [; m% j1 N7 {- y! B
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**** EXPANSION OF SUBCIRCUIT X_U12 ****
$ K# d) l0 j; b, T' D9 p5 |X_U12.RCM15 N35531 X_U12.105 10MEG: e2 `1 t% L$ f+ Y# a2 u" V- o
X_U12.RCM25 N71678 X_U12.105 10MEG, |3 j% U1 a! y8 F
X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 18 D7 V/ v; |4 l4 o$ \7 W
X_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN
3 m3 V! M/ q: z0 X4 K4 _7 O( e4 [, R6 kX_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN8 J3 Q) R# Q0 ^9 W6 z
X_U12.RC1 VCC3 X_U12.5 537.15 T_ABS6 V) X! \, G* x- F( E, {
------------------------------$, C% s$ ] S3 G5 T4 Q
ERROR(ORPSIM-16145): unknown parameter8 }5 f" U) N2 D" P
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