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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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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。)0 @( E* Q' ^$ ~# t
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**** 12/18/15 18:43:33 ***** PSpice 16.6.0 (October 2012) ***** ID# 0 ********
2 T% v' ]: |5 C1 X& }: P** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ]
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2 y$ B3 W# ^+ N" L& W+ D- k: S**** CIRCUIT DESCRIPTION. z& |7 `% x' j
- z% g2 c0 o: V0 ?8 l0 N7 B******************************************************************************( p( G- A2 ~! _# I3 }3 |
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4 e$ Z& d/ W+ C* d& V** Creating circuit file "01.cir"
) Y7 T# a/ G' b# o- ]* x% I" H** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS: P9 H( `* \0 }
*Libraries:
/ [. C* T; R, {* Profile Libraries :& T$ ]) X; u7 Y
* Local Libraries :
6 U) ^* H; q3 N6 }.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib" " R' D- [% {" j+ {: t
.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib"
* n9 p) e' {, U% M; C- d! \- L! A0 Q; ~.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib"
5 o3 _- D. a2 Q! [2 p.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib" ! r) c6 z r; r: P
.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib"
; {/ P8 q: z1 b$ J4 n* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\OrCAD_PSpice/16.6.0/PSpice.ini file:
6 ~9 P( _" X% Y: z! M7 x*Analysis directives: 2 ?) Y J$ p, J0 u$ x7 P- Q
.AC DEC 10 10Hz 100000000Hz
- l; o3 _% R- k4 L: J* j.OPTIONS ADVCONV3 C+ c2 V I7 m, Y
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*))
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ERROR(ORPSIM-16058): Command ignored
! c6 K# C* |5 o% r! I$ ]6 p0 |- f.INC "..\SCHEMATIC1.net" 8 j4 P' i% I; W" n0 P% I0 B
2 i; p) F K ~4 W**** INCLUDING SCHEMATIC1.net ****
2 ~5 W, r! i6 O+ P* source TEST35 H% \: w8 D! j1 o V; f% Z* A- Y& [5 S
X_U3 N22677 N22309 VCC VEE N22589 ADA4610 : _# m$ e+ G, g" Y; A8 |
C_C9 N22335 N22327 1000p TC=0,0
8 Z C5 C! R3 I4 IX_M4 VEE N22683 VEE VEE BF998WR/PLP
2 y, T; g5 C# s6 P3 {R_R15 N22317 N22589 10k TC=0,0
5 J+ {9 p9 _2 p; B$ {% r$ G$ xR_R16 0 N22677 500k TC=0,0
& b1 ~* L5 i2 X2 @% \R_R19 N22309 N22387 500k TC=0,0
8 }1 w. N6 q4 V" ]% c! QR_R20 0 N22309 500k TC=0,0 " ^9 a; R: i7 d- X8 c$ S
R_R18 VEE N22387 500k TC=0,0 " }8 ]( e. A8 b) R+ b
R_R13 N22677 N22335 500k TC=0,0 : E8 V$ x% f$ K+ a) e5 x' n2 Q
R_R14 N22589 N22327 10k TC=0,0 8 H+ E. H% [, l8 v% D1 |+ k. e
X_M3 N22683 VCC N22327 N22327 BF998WR/PLP
3 L1 o6 w7 S$ |( i/ e1 |R_R17 0 N22317 10k TC=0,0 - s4 ^4 y2 B2 k; N
V_V7 VCC 0 5Vdc) u' J" x* d. Z2 w, L/ |+ |
V_V8 0 VEE 5Vdc
) u0 m% ^% Z/ H1 `2 i) fC_C10 N22309 N22317 1000p TC=0,0
o% p0 W- D9 b/ SC_C7 0 N35645 91p TC=0,0 : O" H6 E, ?/ j1 v
V_V2 VCC3 0 5Vdc9 Z# n2 a9 ~- V3 y" f5 Y6 ]
C_C1 N35593 N35663 1p TC=0,0 , I9 [# z" e6 _6 @2 D) r
C_C5 N35645 N35531 1p TC=0,0 / @, J- z k: w) D% L, A% Y$ z
C_C2 N35531 N35663 10p TC=0,0 : s2 }$ ]1 M( a4 A
C_C4 N66667 N35531 1p TC=0,0 / V% s" O; ~8 G9 G
V_V1 N35593 0 DC 0Vdc AC 10Vac ; S( P% p- M9 H( n
C_C6 0 N35531 1p TC=0,0
; l+ ^' B9 A+ f& [, fR_R2 N35593 N66667 680k TC=0,0
6 G- |2 L* p3 E: V. GR_R6 0 N35531 200k TC=0,0
1 F3 \0 ^. p/ u0 b' A# bR_R1 N35663 N35593 91 TC=0,0
4 A$ B# h6 }; w0 F) c3 P6 o0 {R_R5 N35531 N35645 10 TC=0,0 - R0 n, m1 J1 V9 f
V_V3 0 VEE3 5Vdc, s8 ^( d; \1 r6 w( x9 i
C_C14 N44706 N44772 1p TC=0,0 1 D/ J' ?2 y: ^! C( [' W% ^) L: ]
C_C13 N44754 N44702 1p TC=0,0
. C" f9 D7 @6 o1 L B* `4 B: MR_R24 N44702 N44754 10 TC=0,0 7 p- d: z, Q2 P
C_C11 N44702 N44772 10p TC=0,0
0 T! ]8 D @* u; h- R) p0 oR_R22 0 N44702 100k TC=0,0 ; p9 m# W' x8 D, C6 v' s C
V_V10 N44706 0 DC 0Vdc AC 10Vac
) R. K' G; ^! LR_R23 N44772 N44706 91 TC=0,0 4 |2 s: S' J1 w9 T9 R+ ?
C_C15 0 N44702 1p TC=0,0 ) d, Q* C- }& ^' f& \1 @( R9 Q }
C_C16 0 N44754 91p TC=0,0
" x" l8 w+ t: ]" i5 X* U, U: AC_C12 N44706 N44698 1p TC=0,0
, A3 @) v) d; n7 hR_R26 N44698 N44702 220k TC=0,0
( `- r/ I; V3 p8 pR_R25 N44706 N44698 680k TC=0,0
/ z% F* v# M7 }+ U- QC_C17 N44698 N44702 1p TC=0,0
0 Y7 \& j# Q( R2 r4 x; jV_V9 N22335 0 DC 0Vdc AC 1Vac 7 N. K# e6 o" k1 G
X_U8 VCC N22683 N22387 PBR951
" u9 i7 M& x3 K1 a0 rR_R34 0 N64836 100k TC=0,0 : p" ]* L1 i2 L
V_V13 N65556 0 DC 0Vdc AC 10Vac
: J0 U3 w, K% U$ E$ CC_C25 0 N65078 1p TC=0,0 ) a$ G5 t7 T9 M& }
R_R39 N65606 N65556 90 TC=0,0
7 P' a- f8 e9 q3 uR_R28 N64854 N65118 100k TC=0,0
$ B% @7 F2 T+ n' k& V8 IX_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP
1 |% G/ f6 }) e) X7 f9 g& @1 x+ `R_R37 N65556 N65078 900k TC=0,0 9 d# q( F6 a* l6 H
R_R29 0 N64854 100k TC=0,0 ' N* a% y- Z5 Z' _' E5 O& T
V_V11 VCC4 0 5Vdc
3 |9 W, t; r. b3 b; c0 R+ f; PV_V12 0 VEE4 5Vdc4 \- M& H" D) `" e m2 a9 J. Y
C_C22 N65556 N65078 1p TC=0,0 ( _9 l5 n4 y$ r+ y
C_C21 N65078 N65606 10p TC=0,0 % W( P: Q- a* h8 ?" D0 z
R_R33 N64836 N65078 100k TC=0,0
3 s! s& J! m/ [% `" u1 `. Z! oR_R30 N64844 N65304 10k TC=0,0
) j( G6 O: A1 K% p4 IC_C23 N65594 N65078 1p TC=0,0
8 m$ E8 r, ~3 B; D" ~X_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610
; U% N0 x( B# Q( TR_R31 0 N64844 10k TC=0,0 * G% d, D. U! E9 W# s
X_U11 VCC4 N65382 N65118 PBR951
+ Z* A! ^1 O) s( M9 P" HC_C19 N64854 N64844 2p TC=0,0 - a9 p* ?: }- Y/ y
R_R40 N65078 N65594 10 TC=0,0
+ J; w/ S' c8 J6 b) Q YC_C26 0 N65594 91p TC=0,0 . @% c0 p. w7 d; b9 L
C_C20 N65078 N65084 2p TC=0,0 * a8 M# I& [- z2 h2 @
X_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP( n; F9 S# y3 v8 q
R_R32 N65304 N65084 10k TC=0,0
9 e! A# z0 _, U8 u" ?R_R38 0 N65078 200k TC=0,0 : D/ x& ~! P. R- a$ b6 x- P
R_R35 N64854 N64844 10000k TC=0,0
1 S5 i" N1 G- w; kR_R36 VEE4 N65118 1k TC=0,0 8 M: K7 a0 F+ }5 L7 j# Z9 b
C_C24 N65556 N65606 1p TC=0,0
; A5 l! v6 ^6 Y3 J# eR_R41 0 N35593 100 TC=0,0
2 f9 G2 I9 y' r6 Y- X+ w2 kR_R42 0 N35593 100 TC=0,0
4 G: B( E# M8 C. N, r8 _R_R43 N66667 N35531 220k TC=0,0
# x9 ~+ \9 h% R9 H- EC_C27 N35593 N66667 1p TC=0,0
6 B$ ^' \( y6 tR_R44 N68082 VCC3 1.1M TC=0,0
0 s1 b+ o/ m8 p2 S2 K" o# Y& DR_R45 N35531 N68082 1.1M TC=0,0
+ `' V. M+ F) [. I; o4 r7 ?& ZX_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045
; D, Y: }9 p1 y) Z" }.PARAM rx=500k% U# f4 z; E9 i0 Z4 l' ~
**** RESUMING 01.cir ****
; W6 Y' E; o) w" X! Y+ ]. s.END1 |) s# `' m+ ^9 l/ n; f
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**** EXPANSION OF SUBCIRCUIT X_U12 ****/ K1 o. P1 b6 G6 Q- @; |9 v- J
X_U12.RCM15 N35531 X_U12.105 10MEG- }( C1 U0 a9 E( X0 M: z% l) L
X_U12.RCM25 N71678 X_U12.105 10MEG& [/ L+ s" A: Y% A# R
X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 16 }, N9 Q6 ~ t$ B* o7 D F! h
X_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN
, ^4 }) Q) G1 D( I# fX_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN
0 N6 m) }0 m# y: M7 g2 M/ v7 b* HX_U12.RC1 VCC3 X_U12.5 537.15 T_ABS
7 {2 C5 N7 V7 \0 F------------------------------$
7 n" O2 y, ^! c4 T3 {ERROR(ORPSIM-16145): unknown parameter9 D8 b0 O4 |8 ?1 L1 H+ b& I
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