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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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7 F5 s" D) Y$ V( n3 y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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(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。)/ q+ z9 i$ f# A2 Z" X" e
! f& v4 |* C }+ a**** 12/18/15 18:43:33 ***** Pspice 16.6.0 (October 2012) ***** ID# 0 ********
* B" E3 z5 ^/ n0 f+ i+ I** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ]
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- u/ m; n9 ~# i& e+ e**** CIRCUIT DESCRIPTION
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******************************************************************************( |' U( j6 D/ b% P0 @
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** Creating circuit file "01.cir" 3 B2 z! s+ p1 C4 P1 `
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
9 ?8 u2 {0 _4 c o9 X( \( b- R ~*Libraries:
1 o% I$ ~2 u3 L F; G, d6 g* Profile Libraries :
: W2 Y. r, ?- P* Local Libraries :
1 Y+ T u" _/ V+ f7 r: O; `$ L.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib" , Y' r1 j" e1 M, b" J& B
.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib"
' K1 W4 o7 z* ]0 H: R5 q.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib"
- ^ o5 Q- u( I. G0 O8 I.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib" ' m# `# D" N( ^$ `2 E. p# \% y- K
.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib"
% W8 s9 L& H) x* }; w d6 O( ]* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\orcad_PSpice/16.6.0/PSpice.ini file:9 {3 b L i1 B( E* S4 J
*Analysis directives: ' q* Y5 Z1 ]( B* b ?' l2 F" w. ~
.AC DEC 10 10Hz 100000000Hz9 g" A" ^" A. \/ |
.OPTIONS ADVCONV* J$ N5 H# J! F- D
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*)) # K5 C# Y6 G* Q0 r
$5 r6 N0 U% f+ z7 ]& D( }! b. M
ERROR(ORPSIM-16058): Command ignored
" T* z0 D& F6 y.INC "..\SCHEMATIC1.net"
0 ]% f) w. z1 A) q# J; C
8 V6 y! ^) ?2 o& r! {; N, l0 ~1 h" W**** INCLUDING SCHEMATIC1.net ****
2 S) \; h- }" \* source TEST3 D; ?. t/ ~7 o1 e1 Z
X_U3 N22677 N22309 VCC VEE N22589 ADA4610
, B2 a' ~9 z+ R8 y% S5 ~C_C9 N22335 N22327 1000p TC=0,0
& s, |! G6 h( ZX_M4 VEE N22683 VEE VEE BF998WR/PLP
' y* O" {% [/ J! ER_R15 N22317 N22589 10k TC=0,0 0 h" E. P' z0 ?: k; [# f
R_R16 0 N22677 500k TC=0,0 ( r1 e0 y [4 `
R_R19 N22309 N22387 500k TC=0,0
& l' D+ |2 ]# h# W8 h* T: eR_R20 0 N22309 500k TC=0,0
$ i8 ]- m ]4 l2 Z$ }9 S" BR_R18 VEE N22387 500k TC=0,0 4 N4 v* q2 A {/ H
R_R13 N22677 N22335 500k TC=0,0
/ o6 _$ j, Y/ [0 z }7 {R_R14 N22589 N22327 10k TC=0,0 # j" J& a6 w3 Y' n$ w
X_M3 N22683 VCC N22327 N22327 BF998WR/PLP$ h/ U. K) @) A6 y$ K3 g2 f
R_R17 0 N22317 10k TC=0,0 9 H; J# C/ w0 C# d: _' g
V_V7 VCC 0 5Vdc
, E' a: s' M0 C; n1 P4 ]! P! gV_V8 0 VEE 5Vdc, P; ?4 f/ W! f+ @: }
C_C10 N22309 N22317 1000p TC=0,0
X O0 p* X a- B8 g. H" bC_C7 0 N35645 91p TC=0,0
4 K! c( U- P$ q# E( ?V_V2 VCC3 0 5Vdc' A" N. o& z8 `1 i9 y
C_C1 N35593 N35663 1p TC=0,0 8 o! J0 ?4 c: U. `# `5 O9 o
C_C5 N35645 N35531 1p TC=0,0
) T/ N, }! ~" G% q' bC_C2 N35531 N35663 10p TC=0,0
! e( Y' R/ u/ ^* Z, N3 WC_C4 N66667 N35531 1p TC=0,0
2 x7 F! _% F6 V/ ^V_V1 N35593 0 DC 0Vdc AC 10Vac
* g# I7 C* ]% V! N) I& yC_C6 0 N35531 1p TC=0,0 # g( Z7 o3 e- q1 }# \
R_R2 N35593 N66667 680k TC=0,0 " |! l) D# v& ?5 e0 r% ]
R_R6 0 N35531 200k TC=0,0 3 H6 \ J/ _3 G- s/ x
R_R1 N35663 N35593 91 TC=0,0 $ h& l1 g) K% ~' o
R_R5 N35531 N35645 10 TC=0,0
3 h* P$ X0 k0 w8 o, _V_V3 0 VEE3 5Vdc
# l8 l& i- z" \2 ^3 Q0 WC_C14 N44706 N44772 1p TC=0,0 ( O0 O5 H: r; ?! U& b$ s
C_C13 N44754 N44702 1p TC=0,0 & p3 ]$ O- l) ~9 h9 q9 E
R_R24 N44702 N44754 10 TC=0,0
8 w7 V: a3 G: h1 FC_C11 N44702 N44772 10p TC=0,0
+ O* b- C k `2 T. {3 G! [) J/ `R_R22 0 N44702 100k TC=0,0 * c) R5 s. [/ A' v, s9 b. g
V_V10 N44706 0 DC 0Vdc AC 10Vac . {: g d. |' X6 ]( a# T! v
R_R23 N44772 N44706 91 TC=0,0
0 F; v: m+ @; M3 x+ @- s1 o! S: U7 cC_C15 0 N44702 1p TC=0,0
. m6 A; H) b4 _) B% m5 JC_C16 0 N44754 91p TC=0,0
# n0 T/ c! {- m6 t# aC_C12 N44706 N44698 1p TC=0,0
: M# s/ ]- p/ h: Z: I! a- wR_R26 N44698 N44702 220k TC=0,0
. ~9 h7 ^6 Q0 @" W; K1 cR_R25 N44706 N44698 680k TC=0,0 ' x+ ]1 L' R# u1 D: z
C_C17 N44698 N44702 1p TC=0,0
8 z% C0 c2 r& d3 |1 v' X1 i; EV_V9 N22335 0 DC 0Vdc AC 1Vac : W$ N2 G6 s; q+ K" f; S3 U
X_U8 VCC N22683 N22387 PBR951
' w Y$ X9 H. qR_R34 0 N64836 100k TC=0,0
2 S, G# u4 P1 j, \: k7 J* \; CV_V13 N65556 0 DC 0Vdc AC 10Vac $ H9 T/ u, c9 Q7 u8 L7 G5 D7 E
C_C25 0 N65078 1p TC=0,0
9 x ?$ U0 \$ q8 D3 E( F9 S# mR_R39 N65606 N65556 90 TC=0,0
+ m$ C9 {) k; m$ D5 M0 qR_R28 N64854 N65118 100k TC=0,0
% }& ~: ?% F$ ]8 cX_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP
) M" X9 T+ P" B, ^/ o" PR_R37 N65556 N65078 900k TC=0,0 9 @/ f4 ]& W6 r$ \4 [
R_R29 0 N64854 100k TC=0,0
: e6 X7 f' \5 {; C, ?- j* c" DV_V11 VCC4 0 5Vdc
' F. ~ m" c! n* R, m4 cV_V12 0 VEE4 5Vdc" S! ~: R& L3 n- }. S3 d( h
C_C22 N65556 N65078 1p TC=0,0 1 S* O* s8 x: u" J
C_C21 N65078 N65606 10p TC=0,0 ! L- p7 \5 p ?7 A) g8 V; v
R_R33 N64836 N65078 100k TC=0,0
# o2 ~! `& b0 \9 @R_R30 N64844 N65304 10k TC=0,0 5 m; y( r3 Z/ N# e, H: Z
C_C23 N65594 N65078 1p TC=0,0
5 s1 Z& @, _1 D" U- DX_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610 8 ?' A: Q# Z. f2 `1 K% q8 V
R_R31 0 N64844 10k TC=0,0 1 \( b ^* c& ?! T# g4 |$ z9 z
X_U11 VCC4 N65382 N65118 PBR951
1 n' y& i2 R+ B/ D K/ K' d5 O0 H2 rC_C19 N64854 N64844 2p TC=0,0 5 P' X7 H8 {. x" ~9 v
R_R40 N65078 N65594 10 TC=0,0
0 ~# P! X# I* }8 R0 O1 @C_C26 0 N65594 91p TC=0,0
; \ B8 w, w0 y+ [1 k; gC_C20 N65078 N65084 2p TC=0,0
3 F3 x. |6 j! ]+ [3 wX_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP* p, E7 I( E g* K4 {- d
R_R32 N65304 N65084 10k TC=0,0 6 j, w( {+ r9 L( H
R_R38 0 N65078 200k TC=0,0 G8 v( Y- v, |: O
R_R35 N64854 N64844 10000k TC=0,0
; L: W6 u4 N% g$ u# Y: hR_R36 VEE4 N65118 1k TC=0,0
, a f, @# u Q/ U d9 a( ZC_C24 N65556 N65606 1p TC=0,0
, S( h, t) J% m. A, S& C8 fR_R41 0 N35593 100 TC=0,0
% V2 Z% q2 I' }+ G6 X8 ]R_R42 0 N35593 100 TC=0,0 2 f) |. L2 Q4 }; Q7 G/ v |6 [
R_R43 N66667 N35531 220k TC=0,0
6 l7 I' d; }3 b" u+ N4 P% fC_C27 N35593 N66667 1p TC=0,0 ) O D$ J. l; D5 T/ F
R_R44 N68082 VCC3 1.1M TC=0,0 / X( U' M; O/ k
R_R45 N35531 N68082 1.1M TC=0,0 " C5 R0 U# ]6 O( `% k
X_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045( _. p1 H8 u. |, [9 a: k
.PARAM rx=500k
$ A9 m9 u' {: L4 u4 E**** RESUMING 01.cir ****
: R3 O) p4 k5 s( f* }.END
& [( d6 d4 n. `) j2 Q
. [' u7 c3 Y4 `! L8 a**** EXPANSION OF SUBCIRCUIT X_U12 ****1 z- G0 B7 ]' ^. J
X_U12.RCM15 N35531 X_U12.105 10MEG
% ^4 M s8 }3 P( uX_U12.RCM25 N71678 X_U12.105 10MEG, B: V/ B7 T3 h) r& L4 v$ U& [
X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1
" q( |6 T A; ~6 i" ~) n! ?: ]3 Z; iX_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN- Z3 R d: E1 ?
X_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN
0 } H/ z- R( }+ ^; `X_U12.RC1 VCC3 X_U12.5 537.15 T_ABS! P1 u5 Q: q. o s) \
------------------------------$
) [, e, X& [ E% l2 C, C/ lERROR(ORPSIM-16145): unknown parameter" \5 v, y. I4 I; F' ]& }* s
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