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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:2 r$ j- H0 A' `, {; m# N3 \4 b
" S* ?) v6 g, Y; |# w% b. l, _- P& p(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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* e3 u/ X, K0 `6 ~/ q; H' ~**** 12/18/15 18:43:33 ***** Pspice 16.6.0 (October 2012) ***** ID# 0 ********
5 W- S y7 V7 j: I0 b** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ]
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. o5 _' b. K8 r3 d' a3 x" E0 Y/ w- [**** CIRCUIT DESCRIPTION# f9 y" y; d$ H: Z' G3 \, G1 y
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******************************************************************************- W3 l @! ^3 [4 m7 Y1 E
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** Creating circuit file "01.cir" 5 j) N; e& A: {" l" |; ]
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
+ r m, O- J' ]*Libraries:
3 q- `2 z5 a) k* Profile Libraries :. _/ c4 X8 ^9 Y
* Local Libraries :' k0 f9 [; E, K B, K# w1 u
.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib" 7 F8 r/ `# ]( @- z! Z
.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib"
. U4 }) e) C- L% q5 O3 F.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib" 3 M+ R2 |; A$ D, U. b
.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib" % L" S0 Y( |8 K+ a* W( z- }- i/ K
.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib" $ D Q3 e0 }+ i* P a+ n# c
* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\orcad_PSpice/16.6.0/PSpice.ini file:
% m8 `$ x9 X6 L% g7 o) ~*Analysis directives:
$ v) m6 A- L! f+ K) h" l.AC DEC 10 10Hz 100000000Hz
9 p8 J5 X2 m/ S! u0 ^" M.OPTIONS ADVCONV6 A. n$ @- {8 [, g! ]
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*)) 8 U% l6 G& ]' E
$
: g, L0 g+ D. J' v" V2 HERROR(ORPSIM-16058): Command ignored
& z1 ]+ ?0 L! u.INC "..\SCHEMATIC1.net"
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, B% `( Z3 N0 @6 G**** INCLUDING SCHEMATIC1.net ****
9 ^) n E& p( w6 @6 P1 N2 X* source TEST35 U. a! t7 A0 o! O
X_U3 N22677 N22309 VCC VEE N22589 ADA4610 4 a- c6 z k0 d$ y% Y. @# r
C_C9 N22335 N22327 1000p TC=0,0
$ i+ q+ g# q" H" \: YX_M4 VEE N22683 VEE VEE BF998WR/PLP
1 t0 P! V6 ~' [2 ER_R15 N22317 N22589 10k TC=0,0
[4 v; O# |" |2 GR_R16 0 N22677 500k TC=0,0
. X8 d! x) Y9 o Z; SR_R19 N22309 N22387 500k TC=0,0 ; o7 ~ g% p! Z' M& q+ q
R_R20 0 N22309 500k TC=0,0 , C7 P* S( C0 b( q
R_R18 VEE N22387 500k TC=0,0
+ }2 l/ h/ U- D) Q3 O! ^R_R13 N22677 N22335 500k TC=0,0 ' l( E/ F7 F0 d `9 ~
R_R14 N22589 N22327 10k TC=0,0 " q* V5 |4 |# _/ Q j
X_M3 N22683 VCC N22327 N22327 BF998WR/PLP
. L9 z& Q; ~3 d8 O. B1 X3 I7 G: ^R_R17 0 N22317 10k TC=0,0
- c. k i5 v/ u# b, MV_V7 VCC 0 5Vdc
6 c, c- m; N) C9 S( LV_V8 0 VEE 5Vdc6 b2 Q4 }, P9 \! T' Z# n
C_C10 N22309 N22317 1000p TC=0,0 $ q& A+ X0 g- j& E1 ]3 ]
C_C7 0 N35645 91p TC=0,0 + j) |" B; W" ~2 \ C6 ~
V_V2 VCC3 0 5Vdc) ?! s1 z' E- T+ \5 T
C_C1 N35593 N35663 1p TC=0,0 * c; b3 U j1 |, g R$ d
C_C5 N35645 N35531 1p TC=0,0 L ?! @1 B) D& N& N/ n
C_C2 N35531 N35663 10p TC=0,0
' V9 s: E V( RC_C4 N66667 N35531 1p TC=0,0
+ o* j; e) ^+ s: F* {) r. @V_V1 N35593 0 DC 0Vdc AC 10Vac # `4 ^" j/ J& u: }* p. g: M$ w
C_C6 0 N35531 1p TC=0,0 % B4 G: W- }4 M8 w6 x2 S, Q
R_R2 N35593 N66667 680k TC=0,0 , `! z- e4 ~ U9 z
R_R6 0 N35531 200k TC=0,0
' p' l% l' z5 T4 {1 ~1 ?4 G2 C) LR_R1 N35663 N35593 91 TC=0,0
3 M. m4 ^! W5 s. JR_R5 N35531 N35645 10 TC=0,0 ! G8 z% i( @- h/ q- C: r! E
V_V3 0 VEE3 5Vdc5 l" t+ ?3 ^! Y! ^
C_C14 N44706 N44772 1p TC=0,0 # B8 i; d6 T4 R9 M( Y. ~# e
C_C13 N44754 N44702 1p TC=0,0 , ]( S7 }6 ^6 y( b
R_R24 N44702 N44754 10 TC=0,0
$ P9 V) T' e5 U5 T1 D: j1 K2 a% EC_C11 N44702 N44772 10p TC=0,0 8 {. k! J. T! L! A k
R_R22 0 N44702 100k TC=0,0 " F2 o" M' x/ K( v2 o( L I, A
V_V10 N44706 0 DC 0Vdc AC 10Vac
. B( A/ ^. |3 @R_R23 N44772 N44706 91 TC=0,0 9 p$ Y1 w* Y1 s
C_C15 0 N44702 1p TC=0,0 8 P, l9 \8 `, \% e. z" ?
C_C16 0 N44754 91p TC=0,0 $ I4 n, w1 y9 x; Q2 e: e
C_C12 N44706 N44698 1p TC=0,0 % p8 e, a( `+ D `' ^9 A# |
R_R26 N44698 N44702 220k TC=0,0 + @7 q% f9 ?7 U- B) G
R_R25 N44706 N44698 680k TC=0,0
1 @8 _3 I" b* I; RC_C17 N44698 N44702 1p TC=0,0
9 Q+ T0 O' K3 e U0 A. R r- ^V_V9 N22335 0 DC 0Vdc AC 1Vac
) u; |6 `; o0 E4 l% nX_U8 VCC N22683 N22387 PBR9512 U6 u4 s: b$ h2 I7 @
R_R34 0 N64836 100k TC=0,0 + z, {$ U0 t6 e! r2 y' N- A# n
V_V13 N65556 0 DC 0Vdc AC 10Vac 2 Z. G+ o. j9 g4 c' G" }5 i
C_C25 0 N65078 1p TC=0,0 : R& z7 F7 y5 z, @) v
R_R39 N65606 N65556 90 TC=0,0
' Z1 x. p9 r% ]. i5 P0 @; b: gR_R28 N64854 N65118 100k TC=0,0
T) [4 ]9 `3 d, HX_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP
! U" B/ S# y) p4 b, ?R_R37 N65556 N65078 900k TC=0,0 ! R8 X/ g" r8 E
R_R29 0 N64854 100k TC=0,0 ; K0 j U. ~. x' c
V_V11 VCC4 0 5Vdc
, J' ^/ }! T* g7 _6 K( e2 kV_V12 0 VEE4 5Vdc+ X) F5 o/ ?) @, I( M# D2 O5 i+ k) Y
C_C22 N65556 N65078 1p TC=0,0
6 |1 @% }+ o2 p& J9 I0 T! JC_C21 N65078 N65606 10p TC=0,0 - A/ C2 n8 t; ^+ i# ?3 W
R_R33 N64836 N65078 100k TC=0,0
; u& h& c: h5 }9 v9 K5 n' `) qR_R30 N64844 N65304 10k TC=0,0
+ X/ Z/ _" u( l# y' S& RC_C23 N65594 N65078 1p TC=0,0
' w4 k5 X6 l, r( k2 \X_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610
% b7 @7 v6 E7 e+ Z9 kR_R31 0 N64844 10k TC=0,0
( h: a9 }! l9 ~" g% _) @4 BX_U11 VCC4 N65382 N65118 PBR951
) k( g: @4 c, G& hC_C19 N64854 N64844 2p TC=0,0
! |1 @& s, g5 F* lR_R40 N65078 N65594 10 TC=0,0
8 N5 `+ C9 W# DC_C26 0 N65594 91p TC=0,0 , H; l3 F! D% F5 p& ?5 v
C_C20 N65078 N65084 2p TC=0,0 ! p9 t! ]9 y3 i9 |! s5 T, Y
X_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP
$ E7 R. C) J& N( G6 j) n) IR_R32 N65304 N65084 10k TC=0,0 / ^2 K. J4 F! l* z" { n
R_R38 0 N65078 200k TC=0,0
. y# F) Y4 W- i* U( Q' DR_R35 N64854 N64844 10000k TC=0,0
+ Z, M2 Q2 ?: N: f! i jR_R36 VEE4 N65118 1k TC=0,0 9 ~+ v$ ^2 j q* l6 j% j
C_C24 N65556 N65606 1p TC=0,0 " G! u1 R; e2 R5 P$ O
R_R41 0 N35593 100 TC=0,0 2 Q) x. V+ l! x
R_R42 0 N35593 100 TC=0,0
3 `+ I" ` f+ r, o/ F% `" n% b# s! E, rR_R43 N66667 N35531 220k TC=0,0 3 x! r' ?# }' ?7 d- |% P6 M: t
C_C27 N35593 N66667 1p TC=0,0 0 p7 R8 T0 L P+ y( J1 k
R_R44 N68082 VCC3 1.1M TC=0,0
/ Y. K' `7 R4 [6 R8 zR_R45 N35531 N68082 1.1M TC=0,0 ! V( M' \( F$ e) s5 I; g; x
X_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045
, y; G- v, p5 Z" e" q) Z.PARAM rx=500k& t" h( {7 ~3 n2 p0 M* U
**** RESUMING 01.cir ****9 E2 P8 S, I# u% M# b4 T
.END
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**** EXPANSION OF SUBCIRCUIT X_U12 ****6 d0 q2 _6 x; L/ d
X_U12.RCM15 N35531 X_U12.105 10MEG( w- Q" X# J) G0 \$ W& f
X_U12.RCM25 N71678 X_U12.105 10MEG1 {: T3 M7 B2 j+ I; k C3 q! k2 n
X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1
( S0 W2 w& e( V5 @3 kX_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN
; m+ E, S( |/ O. K+ O- ZX_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN9 Y( L0 }& d g+ k, O
X_U12.RC1 VCC3 X_U12.5 537.15 T_ABS( j; B8 B, E6 j: L3 A- [2 D
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ERROR(ORPSIM-16145): unknown parameter0 Z( j I# M2 n
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