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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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& i9 |( A) D3 Q! {9 G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：' b% _! k z# B- @, H* `
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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。）! O& \1 M% t5 d* p7 f$ H
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**** 12/18/15 18:43:33 ***** PSpice 16.6.0 (October 2012) ***** ID# 0 ******** N6 _# F$ w! ], m3 f( n
** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ]
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3 u$ h+ n4 p# f, B- O" c* M**** CIRCUIT DESCRIPTION+ o; f) |$ i7 S/ e3 h
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******************************************************************************
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/ e8 P4 I; N) q, A( x* ^, j0 i** Creating circuit file "01.cir"
% \$ N5 _3 d, ?5 h( c** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
1 N6 \; o! A# M' q6 X# k+ {' C; U*Libraries:
* e" X3 A' z* {# g* Profile Libraries :
{9 s0 l" g; c6 J* Local Libraries :, }5 |7 b' W# N# J
.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib" 1 F8 {, h! S5 Y6 Z( H+ T
.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib" 2 N& U* Q# Q6 o9 K
.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib"
' L9 d$ K7 [1 w+ Z' `4 x.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib" 8 u, A4 f$ Q- u9 X
.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib" 5 G1 b6 ~/ ?* v. v
* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\OrCAD_PSpice/16.6.0/PSpice.ini file:
) y/ E* n: s& c) m! Z$ m7 m*Analysis directives:
8 E: M/ p( s _5 d; ]; v.AC DEC 10 10Hz 100000000Hz
5 s2 r& t/ V, m Z( ~8 F/ p; E4 A.OPTIONS ADVCONV
: ]9 c: @( y$ F+ T6 Q# k8 ?0 d.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*)) 5 `$ O. }2 e3 g' P) h9 t, _: F
$
# _- M* `6 D& ]+ O: F7 dERROR(ORPSIM-16058): Command ignored7 G" m8 `- @+ }# T' |- @
.INC "..\SCHEMATIC1.net"
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7 C2 Q- O% h/ ] c**** INCLUDING SCHEMATIC1.net ****
) |! ]9 s2 {8 o( D6 J; f5 a* source TEST3: K0 I& o5 d$ E @
X_U3 N22677 N22309 VCC VEE N22589 ADA4610 2 O2 x# m+ `! k$ {5 W a
C_C9 N22335 N22327 1000p TC=0,0
8 U" g+ P+ j4 c$ w1 r/ jX_M4 VEE N22683 VEE VEE BF998WR/PLP
5 ]* X+ S* ~7 }/ @6 N1 uR_R15 N22317 N22589 10k TC=0,0
4 [$ ?5 f6 s( F$ I i$ S$ PR_R16 0 N22677 500k TC=0,0
, b4 i2 ~+ v; g# N- MR_R19 N22309 N22387 500k TC=0,0
5 @$ P, r4 |' ~ sR_R20 0 N22309 500k TC=0,0 u; h+ H o, [/ D- _
R_R18 VEE N22387 500k TC=0,0 ; C/ }$ b8 I% V( S
R_R13 N22677 N22335 500k TC=0,0
! C6 Y& Y3 u1 ]/ e. UR_R14 N22589 N22327 10k TC=0,0
0 C/ v. y1 B! H. C' g, Y; n- gX_M3 N22683 VCC N22327 N22327 BF998WR/PLP: m8 [& ~3 l/ }4 w6 z4 o: b
R_R17 0 N22317 10k TC=0,0 ' X7 B) G. Z. l. m8 u
V_V7 VCC 0 5Vdc
) v* G0 j* l+ @& o G* i, h4 l: MV_V8 0 VEE 5Vdc
8 I7 J/ v* S9 w# m- a2 H. ?% ~, [5 RC_C10 N22309 N22317 1000p TC=0,0
5 A$ r6 r2 {" a5 x# MC_C7 0 N35645 91p TC=0,0
$ Z+ H* t# U8 Q! R* |8 LV_V2 VCC3 0 5Vdc
) g, _) A. j: WC_C1 N35593 N35663 1p TC=0,0
. ?: x4 O/ L% K- K9 B8 n/ ~C_C5 N35645 N35531 1p TC=0,0 & i- c4 r6 `6 ?' y, R3 U
C_C2 N35531 N35663 10p TC=0,0
9 c! F9 [; e8 `) j. {+ lC_C4 N66667 N35531 1p TC=0,0
3 ~7 Y; f1 A$ UV_V1 N35593 0 DC 0Vdc AC 10Vac
! F3 d4 N( }* l. v/ SC_C6 0 N35531 1p TC=0,0
( u F3 {3 O. h0 R+ @R_R2 N35593 N66667 680k TC=0,0
! A1 j& Y+ Y7 l9 b! MR_R6 0 N35531 200k TC=0,0
2 X* l2 b4 |/ i8 RR_R1 N35663 N35593 91 TC=0,0 , |# X2 ?; J6 h7 J& l
R_R5 N35531 N35645 10 TC=0,0 4 s# {: K6 l; j( P4 I6 I
V_V3 0 VEE3 5Vdc
" O1 ~* a. Z$ A3 `+ LC_C14 N44706 N44772 1p TC=0,0
: J- v. p8 j( z6 l1 e. NC_C13 N44754 N44702 1p TC=0,0 ) p$ s* v6 P' h5 N8 C2 e
R_R24 N44702 N44754 10 TC=0,0 8 v4 S3 e D1 D( [+ X$ c) j
C_C11 N44702 N44772 10p TC=0,0
|2 P) S" Q; c0 N" @( S7 p' ^2 b% NR_R22 0 N44702 100k TC=0,0 2 F1 t& @8 v+ [* d
V_V10 N44706 0 DC 0Vdc AC 10Vac
4 r8 `$ [! N" x4 F& _# A- AR_R23 N44772 N44706 91 TC=0,0
( T: ?3 Q* R7 i e. n0 Y7 mC_C15 0 N44702 1p TC=0,0 2 ^0 l9 o+ b( F7 ]- q
C_C16 0 N44754 91p TC=0,0
( H. o1 G* u! @. V( z: DC_C12 N44706 N44698 1p TC=0,0 ' B7 z, C1 k) c& L1 [
R_R26 N44698 N44702 220k TC=0,0
( L0 F6 `/ ?' L& l: X4 I: NR_R25 N44706 N44698 680k TC=0,0 7 _1 M/ K- _: y% A% n9 m6 w; K
C_C17 N44698 N44702 1p TC=0,0
$ M" m# k, Z; \9 \/ {4 m8 VV_V9 N22335 0 DC 0Vdc AC 1Vac
& q8 H) d% f% R8 A) Y+ K+ }/ ] ZX_U8 VCC N22683 N22387 PBR951' N; L5 u& k! x9 x8 \4 ?
R_R34 0 N64836 100k TC=0,0 : i3 b1 ]0 b* t; T# N
V_V13 N65556 0 DC 0Vdc AC 10Vac
. ]' L9 A4 {$ t, H7 R: q) xC_C25 0 N65078 1p TC=0,0
* b. v3 E+ c L' ?. uR_R39 N65606 N65556 90 TC=0,0
5 ] I5 f9 V @4 J4 u/ R: {9 b# q0 IR_R28 N64854 N65118 100k TC=0,0 - S# y# F; K ~. l, M H- ^
X_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP# Y. R1 Z- B7 `+ {# z( y3 K4 ~
R_R37 N65556 N65078 900k TC=0,0 : W1 c; M# i& Y
R_R29 0 N64854 100k TC=0,0
& J2 Z: e/ A) r2 M. ]V_V11 VCC4 0 5Vdc2 Z* ]9 y ^( ]" O; l3 A! ~
V_V12 0 VEE4 5Vdc+ r" I' k3 R( Z. ]$ |( f3 @
C_C22 N65556 N65078 1p TC=0,0 ! Z* ~2 \, U3 Z
C_C21 N65078 N65606 10p TC=0,0
9 t G# B3 z$ c/ }; `4 [R_R33 N64836 N65078 100k TC=0,0 $ r" T7 w) R: ]- [
R_R30 N64844 N65304 10k TC=0,0
9 {- o U- |' _0 h4 b" @5 RC_C23 N65594 N65078 1p TC=0,0
9 I9 k* |" `' s1 N B2 J$ w% HX_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610
: I- N+ S6 S- ^* t7 pR_R31 0 N64844 10k TC=0,0 " R8 m7 k9 l$ e
X_U11 VCC4 N65382 N65118 PBR951
0 l* d7 I' J: J9 s' j- n0 j3 HC_C19 N64854 N64844 2p TC=0,0
, U. I1 J6 P& F% W, B/ fR_R40 N65078 N65594 10 TC=0,0
f8 _3 a+ S" }9 ^, i) hC_C26 0 N65594 91p TC=0,0
' ^& b) V8 B! U/ Y* u$ jC_C20 N65078 N65084 2p TC=0,0
, T( C. `) | h" a. uX_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP% ^* v& U4 q1 X" Q
R_R32 N65304 N65084 10k TC=0,0 " K' I5 m$ O8 S- U+ U w
R_R38 0 N65078 200k TC=0,0
4 u- L% K5 ~- x BR_R35 N64854 N64844 10000k TC=0,0 a, ^( u3 y. ~
R_R36 VEE4 N65118 1k TC=0,0
) Y" e; M: l U' N( p. E) {C_C24 N65556 N65606 1p TC=0,0 " R! e, D9 j' _. L
R_R41 0 N35593 100 TC=0,0
/ R, M3 E; }, S L4 B7 LR_R42 0 N35593 100 TC=0,0
8 N5 T5 Q8 \4 @/ uR_R43 N66667 N35531 220k TC=0,0 ' J! @3 d. k; T5 h
C_C27 N35593 N66667 1p TC=0,0
. N& {% Y+ H$ uR_R44 N68082 VCC3 1.1M TC=0,0 ! z* v* x4 [# A
R_R45 N35531 N68082 1.1M TC=0,0
$ Y$ r( q" t5 M# P; pX_U12 N35531 N71678 N71678 VCC3 VEE3 AD80456 l' l# w, }2 x$ I. G; e
.PARAM rx=500k
. U' X/ w' H* W**** RESUMING 01.cir ****+ |- [ `& N1 o* L
.END
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, T: P: C2 K! z**** EXPANSION OF SUBCIRCUIT X_U12 ****" K% a2 {# O' H% V! A3 @6 k8 p
X_U12.RCM15 N35531 X_U12.105 10MEG
" I& f0 h" A1 O0 {X_U12.RCM25 N71678 X_U12.105 10MEG
" I/ l' }/ Y5 {X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1
$ `, l' o J: m/ l3 }X_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN& _" u, E. L& @; E
X_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN! r( s: s) b4 |
X_U12.RC1 VCC3 X_U12.5 537.15 T_ABS
' P6 q# Z" P' K$ t8 r9 v------------------------------$
6 H) q, @& \* H3 p7 v6 yERROR(ORPSIM-16145): unknown parameter
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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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