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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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# K s3 y+ z' `7 Q& X: s4 x! 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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( C3 l% ]- A) _# K**** 12/18/15 18:43:33 ***** Pspice 16.6.0 (October 2012) ***** ID# 0 ********: S* U1 t$ n6 P# `7 E; c/ @
** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ] * a v. \; H+ \7 i/ P3 e; h# v
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**** CIRCUIT DESCRIPTION
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+ ]4 m. \ h. D/ l" R0 d******************************************************************************
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" u3 U6 O8 h% Z** Creating circuit file "01.cir" ( B+ v7 X% F ]9 J
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS: Y; m* Y/ R* |
*Libraries: 3 h2 O$ _9 N6 P3 P+ T" z( _
* Profile Libraries :2 f, i( O, @! E8 `/ l% l& Z9 I6 B
* Local Libraries :
8 [5 x, [& X' V4 V! t" F.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib" & ~( g& C |$ t$ Q
.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib" 5 ]# E4 z( ]2 s1 I; Q, I# v" P ]
.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib"
: S. E7 r& N- S1 ], i- ^9 N.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib" ! C7 E+ t7 T; {( F" t
.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib"
* F/ d" N4 o6 f- c/ A" M' {! b S7 s$ N* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\orcad_PSpice/16.6.0/PSpice.ini file: p8 V: M3 @) c' \
*Analysis directives:
P+ e g3 q$ A3 c- B8 B0 P/ q6 t( a.AC DEC 10 10Hz 100000000Hz
5 T; e, v' D: g1 k1 {7 k( ].OPTIONS ADVCONV5 A. _% T) O" i4 N; B
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*)) . n% h, W9 i j; p+ u- x/ D' G
$
W3 g) Z9 a' L5 u, eERROR(ORPSIM-16058): Command ignored
3 ?/ S" O2 l1 `$ x6 T5 `.INC "..\SCHEMATIC1.net" , i3 E2 Q0 T) x/ P
- o! Y; X U* e1 O**** INCLUDING SCHEMATIC1.net ****
4 A7 F' m: f$ |6 l* source TEST3
/ D( }$ |! j* K1 P" n$ F: C3 EX_U3 N22677 N22309 VCC VEE N22589 ADA4610 / a/ ~- d. q' X( A3 L4 C
C_C9 N22335 N22327 1000p TC=0,0 " U% G: |' ^' F
X_M4 VEE N22683 VEE VEE BF998WR/PLP2 u5 E. j6 B6 M: f
R_R15 N22317 N22589 10k TC=0,0
( u1 Y9 R f: I j- g' LR_R16 0 N22677 500k TC=0,0 # V \% Z# [/ U9 H% A# g$ |& c
R_R19 N22309 N22387 500k TC=0,0 2 |1 W5 b; S [
R_R20 0 N22309 500k TC=0,0 - v: I# F' L$ h2 E
R_R18 VEE N22387 500k TC=0,0 ; c" u* E+ ]5 |$ U
R_R13 N22677 N22335 500k TC=0,0
+ g) T% V! t% V C7 I W' M7 {R_R14 N22589 N22327 10k TC=0,0
: D4 u, h+ o2 w9 t5 ]" R, l( CX_M3 N22683 VCC N22327 N22327 BF998WR/PLP
; e \8 H' C/ sR_R17 0 N22317 10k TC=0,0 % ]% V* z1 S+ ? z* |% m% D
V_V7 VCC 0 5Vdc) i/ m, [/ w e( o! e
V_V8 0 VEE 5Vdc
8 q! N+ i5 X6 OC_C10 N22309 N22317 1000p TC=0,0 & b2 D E O3 L- f2 b1 F# [
C_C7 0 N35645 91p TC=0,0 6 Q6 R( o3 u( V
V_V2 VCC3 0 5Vdc
6 ^5 _4 V6 h( ^' O% AC_C1 N35593 N35663 1p TC=0,0 2 c' _" j. T& I$ f
C_C5 N35645 N35531 1p TC=0,0
; [: D" m- L( I* yC_C2 N35531 N35663 10p TC=0,0
: D/ O# ^/ ]' ~: _3 CC_C4 N66667 N35531 1p TC=0,0
4 C% W t! Z" eV_V1 N35593 0 DC 0Vdc AC 10Vac
- W0 ^1 \; i6 O+ u' IC_C6 0 N35531 1p TC=0,0
! J% L+ W7 K8 t/ QR_R2 N35593 N66667 680k TC=0,0
) p- [ ]" |9 _5 K2 OR_R6 0 N35531 200k TC=0,0
% X9 @3 k& ?/ L- F* h9 L8 NR_R1 N35663 N35593 91 TC=0,0
9 _" K3 d/ L9 ]R_R5 N35531 N35645 10 TC=0,0 - y" @# ^) O" L( n
V_V3 0 VEE3 5Vdc9 J' s, W. d4 H- x, F6 k
C_C14 N44706 N44772 1p TC=0,0 - E# h$ r, J' ?8 `
C_C13 N44754 N44702 1p TC=0,0 ! K/ A- K2 {4 ?
R_R24 N44702 N44754 10 TC=0,0
: O g0 p# N0 N/ TC_C11 N44702 N44772 10p TC=0,0 3 E7 g4 b" m }
R_R22 0 N44702 100k TC=0,0 4 z3 W3 D. x9 h/ @; b
V_V10 N44706 0 DC 0Vdc AC 10Vac
% ?7 ^' I, L& |3 K7 U: eR_R23 N44772 N44706 91 TC=0,0
/ r, P) S& A$ T# K7 b ]C_C15 0 N44702 1p TC=0,0
2 O3 X4 i R8 ~" RC_C16 0 N44754 91p TC=0,0 $ n9 Q: `/ y* n, C
C_C12 N44706 N44698 1p TC=0,0
7 e- A) I& B8 \6 }. e# `' Y& }, `6 @R_R26 N44698 N44702 220k TC=0,0
Q: F7 v6 i+ S$ ~R_R25 N44706 N44698 680k TC=0,0
7 f! Q! h3 D( ~. d6 _C_C17 N44698 N44702 1p TC=0,0 ! G+ A7 l0 B) l5 v2 Q5 V
V_V9 N22335 0 DC 0Vdc AC 1Vac
4 H; }5 f9 D' d, w8 e! wX_U8 VCC N22683 N22387 PBR951
6 H% _2 |' q6 u, s" ^R_R34 0 N64836 100k TC=0,0 3 o* f$ G/ K& _" w- H9 {& d3 U
V_V13 N65556 0 DC 0Vdc AC 10Vac
@5 t3 J) j9 k% F% J7 q8 aC_C25 0 N65078 1p TC=0,0
0 i2 n# x8 m+ p/ f" A- a7 WR_R39 N65606 N65556 90 TC=0,0 6 j4 f! v3 W: S" d
R_R28 N64854 N65118 100k TC=0,0
9 n, Z% T w1 k# Y" m# cX_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP c! Q0 B" \0 S, L* J; \+ K6 k- N
R_R37 N65556 N65078 900k TC=0,0 0 p- U1 r* @* A( y
R_R29 0 N64854 100k TC=0,0 ( m5 G* _& W5 J8 z7 M- g
V_V11 VCC4 0 5Vdc/ l1 K9 z0 C' G/ E8 l( O5 |/ c
V_V12 0 VEE4 5Vdc& H) _1 T {- w! ~7 n" U
C_C22 N65556 N65078 1p TC=0,0 * R; i# z- v3 ]
C_C21 N65078 N65606 10p TC=0,0 W) e, Y8 B% n" |$ h, u' H
R_R33 N64836 N65078 100k TC=0,0 9 C( o Q* n+ Y
R_R30 N64844 N65304 10k TC=0,0 , Y6 r7 O' Q& [1 N, l6 G
C_C23 N65594 N65078 1p TC=0,0 $ G* f7 B2 I8 v0 |* I
X_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610
7 M% d( i3 p0 q) z/ F5 L- x5 Y& }R_R31 0 N64844 10k TC=0,0
q0 B( [- K1 L5 l$ hX_U11 VCC4 N65382 N65118 PBR951% Q, y% `. B' v% ?; z- r
C_C19 N64854 N64844 2p TC=0,0
4 \& E6 p. t6 U# K7 |R_R40 N65078 N65594 10 TC=0,0
# V3 _, Q, r, zC_C26 0 N65594 91p TC=0,0
9 A/ ?- C1 v5 U4 e0 s' O% c5 {C_C20 N65078 N65084 2p TC=0,0 " s4 _% X8 C. v3 L+ C. f5 L* b
X_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP+ D7 Q" m" H& N& l, i+ @
R_R32 N65304 N65084 10k TC=0,0 ) `" ~* J" d" E
R_R38 0 N65078 200k TC=0,0 " R9 V4 p7 e3 p; X0 v0 ^) x
R_R35 N64854 N64844 10000k TC=0,0 $ X/ l# K! r$ m6 o+ u2 u9 d# y
R_R36 VEE4 N65118 1k TC=0,0
: z4 J' c4 e/ R0 g3 [! n/ FC_C24 N65556 N65606 1p TC=0,0
: U" q" b6 I8 ZR_R41 0 N35593 100 TC=0,0
9 [, `( ^" h% K8 g% HR_R42 0 N35593 100 TC=0,0 & [6 F+ H1 K- h/ [1 r. r/ p, @1 ]
R_R43 N66667 N35531 220k TC=0,0
* e3 r2 y. i! C# Z7 Q1 YC_C27 N35593 N66667 1p TC=0,0 ; H" ]* n- V& a* ]" i! {$ E7 J I
R_R44 N68082 VCC3 1.1M TC=0,0
% k/ E& O+ Q% j1 U V2 g' DR_R45 N35531 N68082 1.1M TC=0,0
% _+ ]; w( g9 \0 A. nX_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045
& a8 [8 h2 i; k, @.PARAM rx=500k8 e3 I7 I% W$ d3 u
**** RESUMING 01.cir ****# }; \3 K% a# r7 A6 a' ]! G' ~
.END
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$ Z3 P% G# p |; d* f**** EXPANSION OF SUBCIRCUIT X_U12 ****
# j) `* o3 s1 l4 S- xX_U12.RCM15 N35531 X_U12.105 10MEG! K Z3 j0 F: Z. Y3 R* L) B; n
X_U12.RCM25 N71678 X_U12.105 10MEG2 h$ ?% K$ V9 m2 C/ l
X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1
" V! Q* `* O# X" Y QX_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN7 `- r3 o. u" v, D% E- G) C
X_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN8 h+ C7 p9 V3 r
X_U12.RC1 VCC3 X_U12.5 537.15 T_ABS
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ERROR(ORPSIM-16145): unknown parameter/ x5 A2 O: f! z* k% P
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