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电路是一个很简单的分压电路加一个运放，如下：! T# L# K [: s
9 o6 Y4 w1 s4 {6 L5 |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：8 a2 g4 N" } {6 ~0 W
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（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 ********
& S( F, R7 E) ~5 K- G& H** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ] 4 r! t1 \) w, ^
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**** CIRCUIT DESCRIPTION* B1 ~& F, b* _0 b1 B" h
5 L3 }4 {# f$ C: l- `% [. P******************************************************************************
: d+ C! c* \, f3 I1 E% J% O. B6 m6 e2 f3 S/ Q7 B) U( G
# r ?: |" s9 _( @% W3 T" K** Creating circuit file "01.cir"
: i+ [' R! z- ~6 E: v! B** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
9 W9 X! y7 v. z- Y+ z6 E*Libraries:
2 }- v! C& \* g7 w' z* Profile Libraries :
2 |7 ~+ a% W4 }1 Y2 Z/ D) s R* Local Libraries :) H% ~% K4 K3 I- A; A
.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib"
7 m3 J( ^3 j( H9 y! F2 H5 q.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib"
0 t: ~; G- B2 z1 {/ v, s.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib" + Q& P+ U* L1 S8 s
.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib" 8 S) C0 H2 h: I( e- v0 z7 @' l
.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib" 7 Y- u9 G4 |. }! n0 ]
* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\orcad_PSpice/16.6.0/PSpice.ini file:' H9 j+ f+ F+ y }. k2 D* O& g
*Analysis directives:
: S3 d+ v% c; P0 k.AC DEC 10 10Hz 100000000Hz, B, [( `* f! H0 c
.OPTIONS ADVCONV9 N9 r9 ]" v7 w( n1 ~" [
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*)) 8 S+ g: V0 }0 S# ?3 a/ ^2 [
$9 a9 {' @8 U) ]0 H/ B/ }' v5 l
ERROR(ORPSIM-16058): Command ignored
$ J2 [$ b4 ~" b f; D" T/ n.INC "..\SCHEMATIC1.net"
4 U5 m8 r: m! \1 k" @" V2 n; V& m3 d6 G1 _ G+ F6 ~0 j1 R# H* `
**** INCLUDING SCHEMATIC1.net ****, ^! q0 E/ D% ~, K0 ]" p
* source TEST3$ R) A0 f2 k! I
X_U3 N22677 N22309 VCC VEE N22589 ADA4610
9 u: i x. N& S) V. L" EC_C9 N22335 N22327 1000p TC=0,0
( p2 k6 V, F3 X/ ?* m) mX_M4 VEE N22683 VEE VEE BF998WR/PLP
. D; H, o F: a! ^+ a2 P# p Z% JR_R15 N22317 N22589 10k TC=0,0 ' y: Q9 d7 \9 V" Q. N( D
R_R16 0 N22677 500k TC=0,0
9 N# L! G+ H$ s: J% F& ^8 WR_R19 N22309 N22387 500k TC=0,0 6 }! _' ^! s D, G
R_R20 0 N22309 500k TC=0,0 6 ?4 ?! J" U, b3 [
R_R18 VEE N22387 500k TC=0,0 * @9 j" l8 ` A1 ^, S
R_R13 N22677 N22335 500k TC=0,0
, H. i: v% z% j4 j. e, XR_R14 N22589 N22327 10k TC=0,0 $ J! q2 `. u# E
X_M3 N22683 VCC N22327 N22327 BF998WR/PLP
) Q, @/ y* s" r1 ]R_R17 0 N22317 10k TC=0,0
. [" b, n1 T; I1 a. FV_V7 VCC 0 5Vdc
3 C* j! O/ u8 \, q2 D1 N4 D3 mV_V8 0 VEE 5Vdc
. f" U8 @: w, _# z& DC_C10 N22309 N22317 1000p TC=0,0 6 \8 h. N+ o; c7 ]
C_C7 0 N35645 91p TC=0,0 : i1 q( N) l) E- i3 i8 _
V_V2 VCC3 0 5Vdc8 L& J$ R& Q) I* a
C_C1 N35593 N35663 1p TC=0,0
7 p5 r. D) A9 M/ ]; W0 y- cC_C5 N35645 N35531 1p TC=0,0 * l1 }% p: i$ J; A. t# b1 w
C_C2 N35531 N35663 10p TC=0,0 ; O, Z5 _0 Q8 w( Q, g4 Q7 v/ T
C_C4 N66667 N35531 1p TC=0,0 3 J6 n# F3 R% P p6 j' E f i; u
V_V1 N35593 0 DC 0Vdc AC 10Vac
! l: I: l0 D0 g* o$ l( vC_C6 0 N35531 1p TC=0,0 0 T8 S0 M- v( \# h# Q
R_R2 N35593 N66667 680k TC=0,0
5 K1 S4 @- u$ F- c( vR_R6 0 N35531 200k TC=0,0 ; r8 Q$ j* t6 d
R_R1 N35663 N35593 91 TC=0,0 ) o( A# b5 W- R) s/ `! I
R_R5 N35531 N35645 10 TC=0,0
- U, U, J4 b* p7 RV_V3 0 VEE3 5Vdc, i" n3 U3 V! j/ ^- J
C_C14 N44706 N44772 1p TC=0,0 1 @9 S9 K* _1 e6 X, r- b+ e8 i1 N, O
C_C13 N44754 N44702 1p TC=0,0
' H1 }6 Z* ]9 XR_R24 N44702 N44754 10 TC=0,0
. s$ w2 Z+ e, L7 M+ j- V7 |C_C11 N44702 N44772 10p TC=0,0 " o1 I& R& `# S6 R; t) s
R_R22 0 N44702 100k TC=0,0 - A* ?& g; O' @+ i
V_V10 N44706 0 DC 0Vdc AC 10Vac ! c2 K4 _/ X9 c" `2 k
R_R23 N44772 N44706 91 TC=0,0
2 p* ]; V' J+ ?0 K$ z( n( {- c$ U5 XC_C15 0 N44702 1p TC=0,0
. f+ ?7 V+ O/ s& ~C_C16 0 N44754 91p TC=0,0
, H" F' i" k7 IC_C12 N44706 N44698 1p TC=0,0
( J: T% Y: D+ WR_R26 N44698 N44702 220k TC=0,0 0 S) e2 B: Q$ M9 W6 m b
R_R25 N44706 N44698 680k TC=0,0
' ]' C6 _1 U) ~. z5 o3 c* sC_C17 N44698 N44702 1p TC=0,0 8 ^, A/ t/ p: S6 Z5 Q
V_V9 N22335 0 DC 0Vdc AC 1Vac ! c; R/ [% N; e0 y3 a; a
X_U8 VCC N22683 N22387 PBR951 b# f O3 W: d) e7 C
R_R34 0 N64836 100k TC=0,0 4 r* B1 g4 ^7 }) S7 {% I
V_V13 N65556 0 DC 0Vdc AC 10Vac
7 v/ \# G$ a- M* Y' O& TC_C25 0 N65078 1p TC=0,0 2 q- t9 n. N9 \# B- L% k$ ^
R_R39 N65606 N65556 90 TC=0,0 ) L/ i) y1 @8 Z W6 @
R_R28 N64854 N65118 100k TC=0,0
4 l& q* t" Q" t4 t+ r2 QX_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP; S: m+ k* G, s ^8 V2 \
R_R37 N65556 N65078 900k TC=0,0
0 ]+ I8 z2 O6 N% z a8 C; |, Y# D( GR_R29 0 N64854 100k TC=0,0 6 Q" I. \. d9 U* X+ u, w4 B$ M
V_V11 VCC4 0 5Vdc5 D; o4 ~- n P, ^& O
V_V12 0 VEE4 5Vdc: I% G; H+ P7 g8 n
C_C22 N65556 N65078 1p TC=0,0
/ Y$ J* K( j& J* HC_C21 N65078 N65606 10p TC=0,0 8 w9 D/ |) }# Z& r# ?
R_R33 N64836 N65078 100k TC=0,0 $ S$ n6 P) U! J9 l
R_R30 N64844 N65304 10k TC=0,0
- B1 Y( X; y z1 gC_C23 N65594 N65078 1p TC=0,0 0 `7 X9 s r$ q, c# [
X_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610
. L! d3 a$ L5 X( H% nR_R31 0 N64844 10k TC=0,0 9 R& O% e6 O9 l% t
X_U11 VCC4 N65382 N65118 PBR951
/ s# T: L1 X( f6 I( i% I8 EC_C19 N64854 N64844 2p TC=0,0 ( h. B: c, m: u+ [0 \# G" y
R_R40 N65078 N65594 10 TC=0,0 ! W3 S$ ?% a9 T7 z3 u6 D5 |0 y
C_C26 0 N65594 91p TC=0,0 - R4 c) O& n/ i! D# k8 J, q9 z0 t/ Z" D
C_C20 N65078 N65084 2p TC=0,0
8 M9 q5 h3 ^; O9 `8 b# CX_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP$ ^3 C8 A- J) {# _. ~/ k; D p& p' N- s- P
R_R32 N65304 N65084 10k TC=0,0
6 a; Q" Y; R/ kR_R38 0 N65078 200k TC=0,0 0 ~2 l+ u$ B: G/ Q) j$ G8 y) Z
R_R35 N64854 N64844 10000k TC=0,0
" E" ~' n) K6 z5 {6 a7 |9 eR_R36 VEE4 N65118 1k TC=0,0 7 c6 [0 I5 f2 |5 @. e0 t0 \; [
C_C24 N65556 N65606 1p TC=0,0 B$ F8 Z" z6 G8 |) B4 s
R_R41 0 N35593 100 TC=0,0 7 L5 A ~$ H! U1 ]; |
R_R42 0 N35593 100 TC=0,0 6 I4 }; j- M% Y0 Y0 z0 @3 m2 I
R_R43 N66667 N35531 220k TC=0,0
- s5 o k) E/ p. S+ o, |C_C27 N35593 N66667 1p TC=0,0
1 k8 H; b( _' C. J% lR_R44 N68082 VCC3 1.1M TC=0,0 * _" u# V: t& O% M% P" K
R_R45 N35531 N68082 1.1M TC=0,0
& T/ [5 Z3 ~5 t# J: n& BX_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045
& n! h7 k, r5 y.PARAM rx=500k
- R. q% ]3 y, G4 X, [+ l**** RESUMING 01.cir ****/ C' L+ @4 a" b& m( r$ e. L
.END
2 ]$ Y" B" p; N1 r
. w& n8 T' L1 O6 }! s3 g**** EXPANSION OF SUBCIRCUIT X_U12 ****& o' h4 ]' @! X: R, n D# H, ]3 v
X_U12.RCM15 N35531 X_U12.105 10MEG
9 a: a& Z6 M% [+ f: eX_U12.RCM25 N71678 X_U12.105 10MEG
: s' D" B" W$ \+ n J8 w1 y1 H# fX_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1
* X1 f8 A b9 JX_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN1 b& F, b( f# e2 V! ^) t; A
X_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN
`* {! C5 l3 k" K( dX_U12.RC1 VCC3 X_U12.5 537.15 T_ABS D. o7 G& H# L( C' D$ {
------------------------------$
; D& j% Q8 D- c/ G: A% RERROR(ORPSIM-16145): unknown parameter O, n0 W, M# F! k' p- x
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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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