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电路是一个很简单的分压电路加一个运放，如下：7 ~; @2 A' {9 x. @
& v t1 U( M, g. ]% S0 z3 r* b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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. b' Y6 y& K& V, E（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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. T/ d8 |7 l) ]' B**** 12/18/15 18:43:33 ***** PSpice 16.6.0 (October 2012) ***** ID# 0 ********
, K( F0 i8 [3 p" h/ O1 m** 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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******************************************************************************$ f+ ~6 }. u. W5 M
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! M% d& Y1 f' i; _: k** Creating circuit file "01.cir" 9 S. _8 L( _7 @6 u) K+ O
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS1 G# O$ O4 b$ J+ l( m1 f2 ]% Z
*Libraries: 5 q: z3 h5 g7 @4 L/ d0 z
* Profile Libraries :& |2 r- U3 I! s" F8 g {/ Q, j
* Local Libraries :( ~2 D1 [4 S* o4 c
.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib"
% L& ?; o# C+ ^' W.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib" ' E$ ?% N' p! ^7 j
.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib"
/ S- `0 g$ b0 ^, e% E.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib" 8 M4 X3 H: ^1 K; y* U* s
.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib" ) x4 s) E+ j; b) ~: H
* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\OrCAD_PSpice/16.6.0/PSpice.ini file:
/ r h1 r/ [! |1 A6 E*Analysis directives:
1 @7 t1 c1 {, [* ]4 B' L.AC DEC 10 10Hz 100000000Hz
# d8 U' B9 q* p.OPTIONS ADVCONV
% S2 [% p7 s' N0 \. i! t' G, ~.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*))
5 P2 V1 q0 C5 M7 {: F) k3 C; ~8 \5 K$
8 s" m8 i7 M4 n( V( Y! y4 AERROR(ORPSIM-16058): Command ignored% ~+ `" e, F1 ~$ v8 O
.INC "..\SCHEMATIC1.net"
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**** INCLUDING SCHEMATIC1.net ****7 p5 c* W. _7 s# M1 [. r- B
* source TEST3
. z' @( o1 E7 A0 EX_U3 N22677 N22309 VCC VEE N22589 ADA4610
* f: |4 G7 s7 L6 ~ d3 r; ]C_C9 N22335 N22327 1000p TC=0,0 3 ]1 A' a5 [3 _0 e( j
X_M4 VEE N22683 VEE VEE BF998WR/PLP( F4 G* s9 K- y/ i8 i: m8 m, Y
R_R15 N22317 N22589 10k TC=0,0
! Z( d9 V* k& p* BR_R16 0 N22677 500k TC=0,0
( w% O" ^. ?& [# B) mR_R19 N22309 N22387 500k TC=0,0 1 j6 F# f2 s; h. Q7 n. C
R_R20 0 N22309 500k TC=0,0
' D4 N/ k/ S9 ]: B# ]R_R18 VEE N22387 500k TC=0,0 & G$ i* R1 u- p. `
R_R13 N22677 N22335 500k TC=0,0
$ g# ~( I* [, n" x$ I6 m GR_R14 N22589 N22327 10k TC=0,0
8 ?: E& m% x% t. }# U$ MX_M3 N22683 VCC N22327 N22327 BF998WR/PLP$ R* K6 {" C, ?& T7 ]2 H
R_R17 0 N22317 10k TC=0,0
4 s0 G# A4 Y# Q, A. O2 Y0 T8 ?/ GV_V7 VCC 0 5Vdc
0 Y) @3 h6 @! {. Y% jV_V8 0 VEE 5Vdc5 y4 H$ ^1 D6 a t- A; m# b
C_C10 N22309 N22317 1000p TC=0,0 $ g8 u( F5 H1 Q
C_C7 0 N35645 91p TC=0,0
4 d8 `" m; B( K0 GV_V2 VCC3 0 5Vdc
4 b, j" Y& e0 t' i- b y7 e! |# PC_C1 N35593 N35663 1p TC=0,0
2 D! r5 q8 t2 S8 y8 H( oC_C5 N35645 N35531 1p TC=0,0
$ y/ W" `' S5 [4 b8 g4 i# K2 C& CC_C2 N35531 N35663 10p TC=0,0
. J4 o# } L5 K$ f# v& Z% ~- e# ]C_C4 N66667 N35531 1p TC=0,0
9 X0 ?7 Z0 G3 I0 MV_V1 N35593 0 DC 0Vdc AC 10Vac 9 |2 T i) s4 U8 {' y) V- p/ p
C_C6 0 N35531 1p TC=0,0 * l3 m3 R5 c8 H+ k8 N% _0 \$ R
R_R2 N35593 N66667 680k TC=0,0
5 ~% M( o; S& L" `( F: a/ ?; [R_R6 0 N35531 200k TC=0,0
" s$ M+ M" {- i0 E# fR_R1 N35663 N35593 91 TC=0,0
' t- w" t! L) G6 e: M8 t% c7 YR_R5 N35531 N35645 10 TC=0,0 ! Y% Y; _- g0 R" g
V_V3 0 VEE3 5Vdc
5 G# |& j- o1 b7 x6 I pC_C14 N44706 N44772 1p TC=0,0
, a& B; I4 B& [% r3 Q3 jC_C13 N44754 N44702 1p TC=0,0
0 L1 I# d4 V4 n4 c, i) DR_R24 N44702 N44754 10 TC=0,0 5 j3 r8 m. b9 n: e7 P( I# R! _
C_C11 N44702 N44772 10p TC=0,0 : k; Q, @2 f# l
R_R22 0 N44702 100k TC=0,0 ( J! b: G( i5 c% C2 y
V_V10 N44706 0 DC 0Vdc AC 10Vac % U3 w9 p3 \1 f6 n' t( [$ t
R_R23 N44772 N44706 91 TC=0,0
7 u }+ ?8 i) n, aC_C15 0 N44702 1p TC=0,0 & b. M- d+ L X" j) h# s6 \* u
C_C16 0 N44754 91p TC=0,0 3 ?# H5 M5 B/ h. {9 \5 p/ n
C_C12 N44706 N44698 1p TC=0,0 ~4 A$ W% K7 P9 w6 m% ^9 f
R_R26 N44698 N44702 220k TC=0,0
8 V* ?% f. B* q% o3 R8 w8 C' M& LR_R25 N44706 N44698 680k TC=0,0
- |; j w4 `& n, x) jC_C17 N44698 N44702 1p TC=0,0
1 p8 J$ S, E$ ?' v$ t2 ZV_V9 N22335 0 DC 0Vdc AC 1Vac 7 U: M. K8 E9 ` T
X_U8 VCC N22683 N22387 PBR9514 s% c- ^! K3 [( L' a
R_R34 0 N64836 100k TC=0,0 8 G& W1 n# u% S4 r% ^8 j
V_V13 N65556 0 DC 0Vdc AC 10Vac
5 H3 t2 j5 W, c1 D9 F+ RC_C25 0 N65078 1p TC=0,0 & Z2 c. ~0 u+ l& g# s
R_R39 N65606 N65556 90 TC=0,0
# Z' G- h' N1 N9 ]% L8 l$ b! n- eR_R28 N64854 N65118 100k TC=0,0
1 { l, O3 V, w$ p& JX_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP
$ q3 U: j) d0 b5 WR_R37 N65556 N65078 900k TC=0,0
* e+ ^# G2 r+ G- A- h) wR_R29 0 N64854 100k TC=0,0
7 E, t/ j& i( A6 e! }V_V11 VCC4 0 5Vdc5 o$ v( x' N) H$ R) E( Q
V_V12 0 VEE4 5Vdc
5 e% ^7 e4 l: G( sC_C22 N65556 N65078 1p TC=0,0
. Y2 K) C) J N/ f2 LC_C21 N65078 N65606 10p TC=0,0
6 o, O0 l4 o/ [& kR_R33 N64836 N65078 100k TC=0,0
; ^! j2 s4 i- z6 ^R_R30 N64844 N65304 10k TC=0,0
5 c% Z$ G6 h" x- fC_C23 N65594 N65078 1p TC=0,0
7 G: g; C' `7 }. Q" p/ y. G! [X_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610
% \0 }! y6 P R# l3 { I, vR_R31 0 N64844 10k TC=0,0 1 {8 Q9 Q5 Q! t! `0 d( s% B
X_U11 VCC4 N65382 N65118 PBR9517 d4 V3 D- l# P- I
C_C19 N64854 N64844 2p TC=0,0
j. `# T7 x2 @9 Z, gR_R40 N65078 N65594 10 TC=0,0
1 |# |+ a9 ?, q3 h- }3 OC_C26 0 N65594 91p TC=0,0 1 r+ N# G% ]! ]- f
C_C20 N65078 N65084 2p TC=0,0
6 n3 K/ U* s/ M3 E* EX_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP
! g# u0 ^4 @$ _6 oR_R32 N65304 N65084 10k TC=0,0 ! [$ N: z+ x5 i4 N
R_R38 0 N65078 200k TC=0,0
% A2 U0 O J0 hR_R35 N64854 N64844 10000k TC=0,0 / K7 l! R. `& ~8 J$ j2 `6 `- a
R_R36 VEE4 N65118 1k TC=0,0 ( M: E; z6 Q' f! w
C_C24 N65556 N65606 1p TC=0,0
' p; {4 n) B6 @R_R41 0 N35593 100 TC=0,0
7 ~6 o- N9 f: }* A0 W. p' w# _7 HR_R42 0 N35593 100 TC=0,0 8 [: T% `* c4 o0 O) ~
R_R43 N66667 N35531 220k TC=0,0 4 T3 x6 z+ V/ I5 M( W" [
C_C27 N35593 N66667 1p TC=0,0
0 t6 V# \5 w$ { m% U" }, u! gR_R44 N68082 VCC3 1.1M TC=0,0 8 }# e* R" @; f7 ?5 o3 L
R_R45 N35531 N68082 1.1M TC=0,0 1 O' ^% ?' P5 f- a2 X
X_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045
5 H. g! U1 \- Q3 k.PARAM rx=500k
) ~% \2 r3 N6 g/ w2 ]' O**** RESUMING 01.cir ****
2 {! }. [, q! y( z/ W% U.END
2 f6 J- o1 w$ |' [, c: k! `& F, O% H2 r) k' t4 F2 _
**** EXPANSION OF SUBCIRCUIT X_U12 ****
# P( F8 Y+ {" z4 Z+ U, zX_U12.RCM15 N35531 X_U12.105 10MEG1 D* g; X4 k, k7 l1 u5 z
X_U12.RCM25 N71678 X_U12.105 10MEG2 W% z" M3 j/ f. w# z ^
X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1* |& ^5 a9 p( |+ `5 Q
X_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN
1 e" H/ x1 ?6 {8 J6 ]X_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN% Y. [8 X" d, N* O) _% A( m1 B
X_U12.RC1 VCC3 X_U12.5 537.15 T_ABS
9 _/ @1 t! \9 M. a& s1 l3 x4 n+ Y------------------------------$# }' T4 i5 V) I( W4 V# h
ERROR(ORPSIM-16145): unknown parameter/ D* F1 S: \8 _3 k2 Q
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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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