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电路是一个很简单的分压电路加一个运放，如下：) B4 j; B' L$ I$ }' b
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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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; F' D* p- w8 f) \（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。）8 {" H e3 T* E, l9 x* m
q8 U3 P6 a& }5 r, x2 X: e* ~& h9 n**** 12/18/15 18:43:33 ***** PSpice 16.6.0 (October 2012) ***** ID# 0 ********
) X$ I j' a' V |8 a3 [9 [6 ? ** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ] / }& x% s: p* \8 T8 E4 Y
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**** CIRCUIT DESCRIPTION
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******************************************************************************2 s# J: M; q$ [* t q: n; y( O
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** Creating circuit file "01.cir" 2 L: ^8 Y6 `( i! j/ S2 x6 B5 j
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
! B' R. ?/ n4 ~5 K) [1 [, E*Libraries: / ~: |; ~& }( U' S" @! k1 y
* Profile Libraries :- g" \5 Q4 h* q5 L" G
* Local Libraries :
3 m5 n3 k- S# |* o0 l% [8 g( Q.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib" 2 p( G. Y: y' Q% b/ n! q4 R
.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib"
, A: l9 @( y2 ?! Y. W; J.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib" 4 P/ L# \1 s% ?* I3 c, D* C* H
.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib"
- `4 a3 f. T9 G, t' M. ]( s.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib" " ^8 t0 z) S% c4 ]. m
* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\OrCAD_PSpice/16.6.0/PSpice.ini file:
8 C6 T# X2 U$ c$ e$ C2 s*Analysis directives:
. O- @% w Y4 ~.AC DEC 10 10Hz 100000000Hz! z, g8 o: }! c" z/ i1 n* |) \
.OPTIONS ADVCONV
! V2 E3 h, R9 v4 _3 m.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*))
8 R: y* R. S% U* B, e$
. f |) [. O$ v, }) K4 `ERROR(ORPSIM-16058): Command ignored3 N" E- _$ W! i( q
.INC "..\SCHEMATIC1.net"
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$ h9 s1 G! ^# T" V8 j# \**** INCLUDING SCHEMATIC1.net ****' L$ Y. U+ T: Z# k6 n3 Y1 E
* source TEST3
$ l m+ n5 C' l, l% GX_U3 N22677 N22309 VCC VEE N22589 ADA4610 & D6 Y2 G- O3 H
C_C9 N22335 N22327 1000p TC=0,0
! W4 N) K' Z/ p! u z6 BX_M4 VEE N22683 VEE VEE BF998WR/PLP7 B/ J2 u( Y. ?5 [+ D
R_R15 N22317 N22589 10k TC=0,0
7 y. M9 u# P1 H$ g+ ]6 o. zR_R16 0 N22677 500k TC=0,0 - U0 J: [3 A P% l0 G5 p4 g8 ^
R_R19 N22309 N22387 500k TC=0,0
. M6 `: T( D5 W3 [R_R20 0 N22309 500k TC=0,0 3 z' `2 p" S% i D8 p2 X/ S; K6 Y
R_R18 VEE N22387 500k TC=0,0
8 D5 {1 {# c2 G+ _1 M1 jR_R13 N22677 N22335 500k TC=0,0
" L+ F- e \: `4 dR_R14 N22589 N22327 10k TC=0,0
: R6 D. X) {. F" r8 Q- ZX_M3 N22683 VCC N22327 N22327 BF998WR/PLP1 J4 I5 u8 u H1 @4 ]( l
R_R17 0 N22317 10k TC=0,0
. m! @8 u7 z% X* @V_V7 VCC 0 5Vdc* [! o8 R0 g7 Z
V_V8 0 VEE 5Vdc3 |( f# u" s6 ]6 @( M7 A- t g
C_C10 N22309 N22317 1000p TC=0,0 2 m! E/ D( ^: Z4 B1 t
C_C7 0 N35645 91p TC=0,0
: l: B2 [4 X' ]# z# U FV_V2 VCC3 0 5Vdc
0 s* m( D0 y) [* U( p1 x/ ?C_C1 N35593 N35663 1p TC=0,0
' s) t3 R3 u4 |+ n# KC_C5 N35645 N35531 1p TC=0,0 ( h+ L1 `& ~2 P9 j/ ^4 G
C_C2 N35531 N35663 10p TC=0,0
4 B: X3 A6 b0 H R* P$ {C_C4 N66667 N35531 1p TC=0,0 V* k6 t/ y* O! [4 C7 y$ X
V_V1 N35593 0 DC 0Vdc AC 10Vac . P* X8 [1 Y# a5 X' j
C_C6 0 N35531 1p TC=0,0
! I: R- g+ K5 E9 N0 h) yR_R2 N35593 N66667 680k TC=0,0
- J2 R! [: G7 aR_R6 0 N35531 200k TC=0,0
' d! Y* ]" n! w8 g: f3 OR_R1 N35663 N35593 91 TC=0,0 . ^! A" W4 E% S; Q0 X( w
R_R5 N35531 N35645 10 TC=0,0
8 K, L: a" M8 U( eV_V3 0 VEE3 5Vdc
6 k7 o9 m/ F& l' gC_C14 N44706 N44772 1p TC=0,0 " r! T1 R1 ]% b
C_C13 N44754 N44702 1p TC=0,0 ) F' Z3 ]7 x# U
R_R24 N44702 N44754 10 TC=0,0 8 q2 R& ]( U5 ]% b2 v, F& r
C_C11 N44702 N44772 10p TC=0,0 - d3 c2 C' [% w
R_R22 0 N44702 100k TC=0,0 + W2 p/ k! T$ h; T9 s% D B( s* }, D- u! e
V_V10 N44706 0 DC 0Vdc AC 10Vac # K2 v+ y# r3 B) D) Z/ D8 p
R_R23 N44772 N44706 91 TC=0,0
$ N6 s# m6 W0 s% QC_C15 0 N44702 1p TC=0,0
) d1 M* y2 ?( j0 fC_C16 0 N44754 91p TC=0,0
) y; r- q: q3 q; t& I& C- oC_C12 N44706 N44698 1p TC=0,0
" s$ m" v7 _0 X7 h" D: F; nR_R26 N44698 N44702 220k TC=0,0 , d5 x' R f+ S2 A
R_R25 N44706 N44698 680k TC=0,0
! O) K2 [, Z) F: LC_C17 N44698 N44702 1p TC=0,0 ' J8 I/ J' T3 ^, Z7 }$ B: B3 M
V_V9 N22335 0 DC 0Vdc AC 1Vac
! X9 \( E% B. J( b+ H; o& W* |% PX_U8 VCC N22683 N22387 PBR9519 r, N9 I0 O2 E" B J( `
R_R34 0 N64836 100k TC=0,0 1 I; J3 y9 S5 E; F) o
V_V13 N65556 0 DC 0Vdc AC 10Vac
+ C5 Z3 O. J+ D Y# c3 y7 wC_C25 0 N65078 1p TC=0,0 ; \0 M& f% J2 c
R_R39 N65606 N65556 90 TC=0,0 ) l$ a; M4 G s' R) q9 x
R_R28 N64854 N65118 100k TC=0,0 ! v6 C+ N* M9 E! S4 y" w' I* _& U
X_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP6 e8 X7 `9 l) Y$ f0 j7 g6 E `- B
R_R37 N65556 N65078 900k TC=0,0
$ t9 u0 ]5 U* ]( s, oR_R29 0 N64854 100k TC=0,0 + P. U; x0 h: r4 `) r" s# P, ^ ?- {
V_V11 VCC4 0 5Vdc
* I# ?' c: k! W9 ?' ~0 QV_V12 0 VEE4 5Vdc% W# Z3 D9 ~5 ~/ u, d, ]8 L4 L& d
C_C22 N65556 N65078 1p TC=0,0
0 D0 K; S$ s$ V" A* W& z9 t& {C_C21 N65078 N65606 10p TC=0,0 8 f/ R: z, z! K9 |" A: H# P4 D
R_R33 N64836 N65078 100k TC=0,0 $ b1 ~) j' t5 g3 t& _4 j" l9 E
R_R30 N64844 N65304 10k TC=0,0
7 j ^) i. ~9 z$ ]) @9 EC_C23 N65594 N65078 1p TC=0,0
& M# K/ S% c2 ~( X& \/ @% k vX_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610
6 I. t, ?: ^* y' x! ]R_R31 0 N64844 10k TC=0,0 - K: Z9 H" `. F7 C* H
X_U11 VCC4 N65382 N65118 PBR9513 ~' f! w C7 y7 D
C_C19 N64854 N64844 2p TC=0,0
/ Q4 ]) Y1 ?" O7 W) w' d* iR_R40 N65078 N65594 10 TC=0,0 & n7 q) j) F p! z
C_C26 0 N65594 91p TC=0,0
; I! B$ t: m) a& n- E0 d: Z0 D7 g" rC_C20 N65078 N65084 2p TC=0,0 & Z5 l0 z6 y. g8 s; y1 D: f
X_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP
/ ~) L. H4 v/ n1 DR_R32 N65304 N65084 10k TC=0,0 4 ~( Z: ~7 ] e$ }* G0 A
R_R38 0 N65078 200k TC=0,0
e( H" N) d& sR_R35 N64854 N64844 10000k TC=0,0 ; l& F$ z1 ]. p+ V$ T) Q' A) S
R_R36 VEE4 N65118 1k TC=0,0
1 S. g0 ?0 Q& Z9 h" B" f$ S0 ~ TC_C24 N65556 N65606 1p TC=0,0
) g8 s+ S! a( Y, b- G1 f0 sR_R41 0 N35593 100 TC=0,0 ) |; o/ ]/ X8 ~* X4 E: D9 k. Z
R_R42 0 N35593 100 TC=0,0
6 B1 m0 O+ x* [* i/ G4 VR_R43 N66667 N35531 220k TC=0,0 ; k9 W/ o, Y2 u: g8 i' z( D7 X! ?
C_C27 N35593 N66667 1p TC=0,0 " ~, E6 E) `1 U7 @; o' o
R_R44 N68082 VCC3 1.1M TC=0,0 5 |8 C( M3 p5 f2 @3 F+ c* B' b
R_R45 N35531 N68082 1.1M TC=0,0 $ @( X3 T$ N! I- S# G
X_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045' ?& Y7 J" y3 A% F. o/ o
.PARAM rx=500k' R. Y% J# x. s4 y9 e
**** RESUMING 01.cir ****8 y( [% P0 n, x2 w1 f1 i3 d
.END
# G3 a3 _" J! B3 ~2 D
# w$ n# A$ Z1 T* j" X2 i**** EXPANSION OF SUBCIRCUIT X_U12 ****9 g% ~$ o7 k2 I" n2 P7 y, U$ l
X_U12.RCM15 N35531 X_U12.105 10MEG
0 [2 {4 w' U, P# \* s0 l% }: lX_U12.RCM25 N71678 X_U12.105 10MEG
6 z0 Q) C: P5 d) VX_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1: P7 B2 T: \1 }
X_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN
, ~) }1 R9 l. I" ^: N& P2 l5 O% gX_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN
' m) K9 Q+ a7 F2 r% iX_U12.RC1 VCC3 X_U12.5 537.15 T_ABS% H+ Q f3 f" a2 s
------------------------------$4 N- W) E# N& { v- z1 }5 K; N
ERROR(ORPSIM-16145): unknown parameter/ | L, R9 @# `, J. E
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发表于 2015-12-18 19:44
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