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电路是一个很简单的分压电路加一个运放,如下:5 l$ v6 m5 J ~4 G, H
7 O8 x' t" V% S$ X; P( l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:* K8 e i; w9 L. K' \4 n
* \7 I, M) Q/ b(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 ********
: V( w/ N+ N; E y+ ` d** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ]
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- n& l' N2 {' @ K1 ~**** CIRCUIT DESCRIPTION
% t% N6 x9 {+ |% y9 h! k- @: I
8 Z; y. F- W _/ p. B******************************************************************************; A! l+ u7 l2 t% Y/ U ? T3 l+ N
% `0 p: e, `2 L
- K+ h5 h5 u* t) e1 x, N** Creating circuit file "01.cir"
6 n3 \" H, j+ ` ?. o** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS+ ]; L% @) g3 ^& ~2 i
*Libraries: - ~# k- l5 h- U. A/ b8 r8 @
* Profile Libraries :
( c3 H6 [4 T# `' X" l5 V* Local Libraries :
7 i2 x0 f/ ^2 l/ q: f0 V! W& |$ t.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib" 9 t8 n6 Q" H I8 p
.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib" F0 M9 W7 } ~
.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib" - `) y: `; q* T( X) T6 [6 j
.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib"
) E# m. [& H) R2 y, |.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib"
: Z, X1 o* W& g7 G( g% | _* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\orcad_PSpice/16.6.0/PSpice.ini file:
* a$ S* w' a' H- m6 X" ?6 ]) s*Analysis directives:
. ?1 @. a+ z7 N6 |.AC DEC 10 10Hz 100000000Hz: U: W" e r# _
.OPTIONS ADVCONV
6 S( l5 R7 [& l.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*))
" J; B' B" s* X2 r3 c' R# I$: D/ d9 ?1 P" i# a. L, y
ERROR(ORPSIM-16058): Command ignored- P b _1 _) _- z
.INC "..\SCHEMATIC1.net" ( a, M8 Y1 k) Q- E. G4 @
8 ?* K/ ?! b; I" u* r' l
**** INCLUDING SCHEMATIC1.net ****
1 C' x% Z& t: b, W* source TEST3 h* z) s/ A+ E7 t3 b: x. k
X_U3 N22677 N22309 VCC VEE N22589 ADA4610
1 _. A6 B+ W& T* @3 \' E0 K* ^C_C9 N22335 N22327 1000p TC=0,0 4 E* s8 f# U" r4 j3 z& ]
X_M4 VEE N22683 VEE VEE BF998WR/PLP
5 v) b" q* l$ d& q9 \8 }6 L0 ZR_R15 N22317 N22589 10k TC=0,0 ! H: C# \5 v6 t" v+ d* [1 X
R_R16 0 N22677 500k TC=0,0
Q2 S6 V* d A$ [R_R19 N22309 N22387 500k TC=0,0 0 M9 F! \# ?5 h3 Z
R_R20 0 N22309 500k TC=0,0
, E( t+ P3 p n6 v2 w; kR_R18 VEE N22387 500k TC=0,0
! E, n8 a- P9 g/ h. \R_R13 N22677 N22335 500k TC=0,0
k% o+ m5 t! |, tR_R14 N22589 N22327 10k TC=0,0 # a* t# @% Z& f% N! M# _
X_M3 N22683 VCC N22327 N22327 BF998WR/PLP
) j0 N9 c; ^* j% ZR_R17 0 N22317 10k TC=0,0
/ M& c) S- N) a; aV_V7 VCC 0 5Vdc7 P: K4 ?5 a$ t
V_V8 0 VEE 5Vdc
( f+ P0 H: x0 U, BC_C10 N22309 N22317 1000p TC=0,0 / a+ S, t& v9 C, v5 ~
C_C7 0 N35645 91p TC=0,0 3 D! Y! G8 ? \% N8 Z
V_V2 VCC3 0 5Vdc! f* g3 y! Q8 L% g. x7 r
C_C1 N35593 N35663 1p TC=0,0
! u$ S/ q, e6 aC_C5 N35645 N35531 1p TC=0,0
- O7 ]' h A# S/ [9 o& t$ S; qC_C2 N35531 N35663 10p TC=0,0
+ {! u/ b5 a; L3 o% [ `* ^4 PC_C4 N66667 N35531 1p TC=0,0
# a; n5 z2 L& I" \9 O4 AV_V1 N35593 0 DC 0Vdc AC 10Vac
' P/ k3 T+ X' O, G# iC_C6 0 N35531 1p TC=0,0 3 u$ v) E \: w# i3 P" d
R_R2 N35593 N66667 680k TC=0,0 ; v5 H" e- C3 q s+ g) T
R_R6 0 N35531 200k TC=0,0
r4 X5 n+ p" {! fR_R1 N35663 N35593 91 TC=0,0
: k3 Y5 K: q P% L$ O' _7 m: wR_R5 N35531 N35645 10 TC=0,0 . P/ N/ j5 {* U" A
V_V3 0 VEE3 5Vdc
2 a+ P- Q. H/ I. S7 F% eC_C14 N44706 N44772 1p TC=0,0 % ?9 L' S( {9 M) D1 s
C_C13 N44754 N44702 1p TC=0,0 $ X9 z+ C' y- F$ U! ] V
R_R24 N44702 N44754 10 TC=0,0 4 U! J1 E8 q) l: Q
C_C11 N44702 N44772 10p TC=0,0
) e# l' Z7 U i( c& _R_R22 0 N44702 100k TC=0,0
* D- e" B8 E) j0 J, M, r9 V3 y4 g F- aV_V10 N44706 0 DC 0Vdc AC 10Vac - d7 T* q2 d* E o$ n( K2 a# u
R_R23 N44772 N44706 91 TC=0,0
% Y2 [- Z9 u7 G) T3 q. ]% mC_C15 0 N44702 1p TC=0,0 ) Q7 ~0 R, j$ Q0 l( J7 I9 |! H
C_C16 0 N44754 91p TC=0,0
3 c: a6 [& T' R0 Z, `9 r JC_C12 N44706 N44698 1p TC=0,0
9 ~( z4 X( k* V) ]; zR_R26 N44698 N44702 220k TC=0,0 , z3 v- h% C( M
R_R25 N44706 N44698 680k TC=0,0
5 ~$ Z5 i5 ^9 M& I' f4 CC_C17 N44698 N44702 1p TC=0,0
7 \; N- @8 B2 t* GV_V9 N22335 0 DC 0Vdc AC 1Vac
' ?9 ?, I! L4 d' j' B0 s. M! a8 fX_U8 VCC N22683 N22387 PBR951
6 W0 F6 s% X. c& k# Q9 oR_R34 0 N64836 100k TC=0,0 ' v: A7 D* ^( S) L) k
V_V13 N65556 0 DC 0Vdc AC 10Vac
8 W) ` L; {+ I( _2 {C_C25 0 N65078 1p TC=0,0
- K. _6 \7 f$ U- ~; Q0 _$ ]! KR_R39 N65606 N65556 90 TC=0,0 , M# T" t5 \ J4 N3 @
R_R28 N64854 N65118 100k TC=0,0 ( l/ q1 n2 q& g5 p7 P2 e4 A) a
X_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP% [" z; `, K0 m, q* k* a9 {6 D2 C
R_R37 N65556 N65078 900k TC=0,0
$ S) I" r% \* }/ NR_R29 0 N64854 100k TC=0,0
8 n( c) s0 G7 }& oV_V11 VCC4 0 5Vdc
# O T0 e, k& C, {7 eV_V12 0 VEE4 5Vdc
. B9 q# [" M0 ~( vC_C22 N65556 N65078 1p TC=0,0
+ D% }4 N# T& wC_C21 N65078 N65606 10p TC=0,0
0 W' A4 J9 ]/ L/ o. C: r! f( ?$ B5 _R_R33 N64836 N65078 100k TC=0,0
. M/ [0 s- g3 j* mR_R30 N64844 N65304 10k TC=0,0
% ]% Y1 t) C _& |- iC_C23 N65594 N65078 1p TC=0,0 ! b5 U) E2 Y' O- n( Q
X_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610 1 k" S- I* [ {2 \! A- X
R_R31 0 N64844 10k TC=0,0 . Z5 U" V( D5 ]. |$ r" Z+ N
X_U11 VCC4 N65382 N65118 PBR951
% }( g+ G/ I1 K9 ~- A0 G' u. pC_C19 N64854 N64844 2p TC=0,0 , u8 z/ V6 `# T! N. ?( n
R_R40 N65078 N65594 10 TC=0,0 ! c6 L* E: b9 F2 f$ |; U. i8 J& k! M
C_C26 0 N65594 91p TC=0,0 7 V- Y; L/ u. n$ w
C_C20 N65078 N65084 2p TC=0,0 0 m1 S3 G7 D8 K- K4 X8 y- k: l
X_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP, C7 l6 {$ a6 D( j- q, z _8 |
R_R32 N65304 N65084 10k TC=0,0 7 e/ Q( ~6 E% R; b+ ^+ P
R_R38 0 N65078 200k TC=0,0 % I* p; b/ T: _8 R# Q
R_R35 N64854 N64844 10000k TC=0,0
* q' a9 G4 q4 l* T: C) s7 z3 \R_R36 VEE4 N65118 1k TC=0,0
/ @9 e) o6 n* [( }( @9 rC_C24 N65556 N65606 1p TC=0,0 " j/ Z9 c6 [: a
R_R41 0 N35593 100 TC=0,0
# f; a1 Q. T. U5 WR_R42 0 N35593 100 TC=0,0
( V' N0 u" j* [& v7 ~' T+ q HR_R43 N66667 N35531 220k TC=0,0 / }0 {1 c1 `6 O, U" R, F& V) a
C_C27 N35593 N66667 1p TC=0,0
! X* q2 E% q, t: I/ GR_R44 N68082 VCC3 1.1M TC=0,0
; ?: I2 Q, D1 B- {8 B; @# d4 vR_R45 N35531 N68082 1.1M TC=0,0
$ M: e. n( R+ S% h1 q- I* oX_U12 N35531 N71678 N71678 VCC3 VEE3 AD80452 s2 u1 P; {+ ~& x$ X: Z& p
.PARAM rx=500k$ W% D1 j! o) ]) e
**** RESUMING 01.cir ****
' N! r6 f+ S8 W; I9 M a y' v.END
+ q* t4 Q4 V* h' W z/ Q
3 q' f- w+ B2 I3 V) H**** EXPANSION OF SUBCIRCUIT X_U12 ****; j4 U' r {' R, U' ^& e# _
X_U12.RCM15 N35531 X_U12.105 10MEG
9 C3 @& t$ [, o- `( y( Y' m# FX_U12.RCM25 N71678 X_U12.105 10MEG' I j$ U0 d+ S1 g' k+ @
X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1
! X( K) O1 \1 ~$ x$ l8 i/ u9 r5 IX_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN
/ @+ ^% J7 [. S" U2 cX_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN
5 b! O1 E3 a X6 h. W: k) `X_U12.RC1 VCC3 X_U12.5 537.15 T_ABS Z! N" M' b7 \$ S' `; j) G. l5 [
------------------------------$- `: |; X: C7 D' e1 m/ C% O0 G$ {
ERROR(ORPSIM-16145): unknown parameter- _$ v) [6 G5 [: P2 b( m
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