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电路是一个很简单的分压电路加一个运放,如下:, E2 f. H/ Z6 V; o
4 ~$ c/ E* [& ^& n* z o: {% b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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4 s9 s$ L4 T$ }* [(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。); g. H0 R' G2 k2 o0 W+ p& s5 q7 y
0 o; ]; x1 ~6 ]7 U; `**** 12/18/15 18:43:33 ***** Pspice 16.6.0 (October 2012) ***** ID# 0 ********! E% e! @4 y8 K0 j `
** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ]
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7 o+ C4 G* u/ z8 w5 @# U **** CIRCUIT DESCRIPTION
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******************************************************************************- P4 l- B! r& x7 |, b
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/ c$ w+ G, o7 ]1 \1 d- D** Creating circuit file "01.cir"
5 H4 q4 T/ z! A @** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
2 g1 t5 m& R h4 \, x*Libraries:
0 }% q! _% [. C9 O* l* Profile Libraries :! V( b- K: e8 G; j
* Local Libraries :
) a) W8 T) B2 ?3 T: e% d/ c3 M, c) D.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib"
* [- m- `: U. u.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib"
3 y$ K' s8 G% P a. e.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib" ' q. L& v9 s* a S
.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib" . z7 U+ S% x, n( `
.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib" 8 n* r7 U m! V1 F/ M) t0 G/ _& U
* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\orcad_PSpice/16.6.0/PSpice.ini file:* z# C, l0 Q' Y
*Analysis directives:
+ B1 F. a$ Y% L8 A4 g.AC DEC 10 10Hz 100000000Hz
1 @8 h. A( W8 a* P' L2 e+ F1 T2 D.OPTIONS ADVCONV6 d0 ~0 p4 [. |: }* X
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*))
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ERROR(ORPSIM-16058): Command ignored. E, B R x f% M% U4 B% j
.INC "..\SCHEMATIC1.net"
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" Q9 \+ @7 Q: o/ B9 q* {' s$ A**** INCLUDING SCHEMATIC1.net ****
: m9 L0 }2 `+ A# {, z* source TEST3+ s$ r/ c' S/ V- M4 w) {) b
X_U3 N22677 N22309 VCC VEE N22589 ADA4610 / k2 G; o x2 ]' y7 Z
C_C9 N22335 N22327 1000p TC=0,0 6 R$ X0 _! u! q& M( w! b+ I
X_M4 VEE N22683 VEE VEE BF998WR/PLP3 m$ R4 h+ c# @
R_R15 N22317 N22589 10k TC=0,0
2 b$ L+ H/ U1 T+ U% ~* JR_R16 0 N22677 500k TC=0,0
$ J# y' [9 H, z2 |R_R19 N22309 N22387 500k TC=0,0 ) h, C/ I! |5 e
R_R20 0 N22309 500k TC=0,0 ! U. t. b% I8 A" M6 P* d+ Y
R_R18 VEE N22387 500k TC=0,0
0 h- k* w6 `6 s( M$ x5 j, v; [4 TR_R13 N22677 N22335 500k TC=0,0
) {2 [+ w/ c/ D- y4 B6 VR_R14 N22589 N22327 10k TC=0,0 ! c2 o) u: R; Y! N7 U, [2 F- t, x, |
X_M3 N22683 VCC N22327 N22327 BF998WR/PLP
' a* l7 y% E7 P# C; jR_R17 0 N22317 10k TC=0,0 # Z S+ U8 e- E7 |+ |/ N) e: u) M6 w
V_V7 VCC 0 5Vdc- N8 w6 D5 l8 ^8 E/ a
V_V8 0 VEE 5Vdc0 a# F% B1 ^0 {) f6 C% n6 n) y1 l
C_C10 N22309 N22317 1000p TC=0,0 : t- S z1 n" L, i
C_C7 0 N35645 91p TC=0,0 & C6 `6 Z2 R, l0 |: l. I
V_V2 VCC3 0 5Vdc; F8 p9 q* @" n8 A4 {% J
C_C1 N35593 N35663 1p TC=0,0 ' X; V$ ^, \' z% Q2 ~
C_C5 N35645 N35531 1p TC=0,0 n1 [! Q7 D$ R ?
C_C2 N35531 N35663 10p TC=0,0 & |. {/ ?: C" {- N& @* t
C_C4 N66667 N35531 1p TC=0,0 - T" L+ y! K1 K
V_V1 N35593 0 DC 0Vdc AC 10Vac
9 I% h7 H, h- u0 N6 p* D& w7 I) XC_C6 0 N35531 1p TC=0,0 3 O4 X) [" j9 l& J
R_R2 N35593 N66667 680k TC=0,0
- k! m; ]) w3 j& GR_R6 0 N35531 200k TC=0,0
V( b; x. O4 C% }R_R1 N35663 N35593 91 TC=0,0 % Z1 o& r, ]1 l" R" B
R_R5 N35531 N35645 10 TC=0,0
. L% C/ y2 v" m+ ^; n$ ]V_V3 0 VEE3 5Vdc% c4 K ~0 ` k6 y9 U0 w
C_C14 N44706 N44772 1p TC=0,0 $ ^6 l& l: t: a
C_C13 N44754 N44702 1p TC=0,0
/ d5 o) k; _- K0 N( W: ~+ ^R_R24 N44702 N44754 10 TC=0,0
% C( V8 u' c% j* `; w/ yC_C11 N44702 N44772 10p TC=0,0 0 P. T* q8 Q2 W2 r; R# R. ~
R_R22 0 N44702 100k TC=0,0
1 q9 U4 E" W0 R9 c1 OV_V10 N44706 0 DC 0Vdc AC 10Vac
4 z' [( `1 D" j$ SR_R23 N44772 N44706 91 TC=0,0 " Q: T% E& c$ I' ?& V0 @; W- U
C_C15 0 N44702 1p TC=0,0 % m" P& f* F3 e# {
C_C16 0 N44754 91p TC=0,0 3 ?8 M4 `8 n5 i
C_C12 N44706 N44698 1p TC=0,0 q* q" g8 d( O6 I/ R
R_R26 N44698 N44702 220k TC=0,0
$ l' J1 M9 e' R2 P( G9 w7 Y1 M9 hR_R25 N44706 N44698 680k TC=0,0 0 g3 B$ t4 L/ J
C_C17 N44698 N44702 1p TC=0,0
; x( W- F: b) mV_V9 N22335 0 DC 0Vdc AC 1Vac
5 p1 W m( w/ q& S. oX_U8 VCC N22683 N22387 PBR951
+ `+ D# J9 z. g( E/ F1 MR_R34 0 N64836 100k TC=0,0 ( @) P6 n' x6 G* Y8 R) ]' i
V_V13 N65556 0 DC 0Vdc AC 10Vac
! M5 M% C8 c2 @/ Q7 B& ?0 aC_C25 0 N65078 1p TC=0,0
- v5 o/ r9 {- r6 a" yR_R39 N65606 N65556 90 TC=0,0
: ?7 @ o0 g* i$ g+ l+ iR_R28 N64854 N65118 100k TC=0,0 $ u' j( A# }4 Q
X_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP
. J' K( ~. Z" I: D, ^ m9 M6 CR_R37 N65556 N65078 900k TC=0,0
2 G% @, N3 }- F& C. [8 G+ iR_R29 0 N64854 100k TC=0,0 " v9 m: W+ Z& g- t
V_V11 VCC4 0 5Vdc( o" x6 l) s, q/ c
V_V12 0 VEE4 5Vdc/ d+ p( h1 n3 M9 e' `
C_C22 N65556 N65078 1p TC=0,0
# c$ v+ s- |: f* N) sC_C21 N65078 N65606 10p TC=0,0
/ X$ c ~ m8 i6 |) H8 G9 fR_R33 N64836 N65078 100k TC=0,0 ; ~0 }5 u5 X6 C3 p
R_R30 N64844 N65304 10k TC=0,0 # J5 @3 E3 q2 I1 {8 R
C_C23 N65594 N65078 1p TC=0,0 - B, J- m0 H" @1 ?9 F6 z- D9 K
X_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610
2 V/ a c4 q1 J. g) q4 v- o/ O) e; tR_R31 0 N64844 10k TC=0,0
G$ I: r0 L W+ o1 d' H* gX_U11 VCC4 N65382 N65118 PBR9516 M8 A( O' s9 ]; F5 f. t
C_C19 N64854 N64844 2p TC=0,0 0 g% v& o( b* h. g
R_R40 N65078 N65594 10 TC=0,0
" z, l0 ^% `. \7 |9 G( J4 {8 {C_C26 0 N65594 91p TC=0,0 s( `6 u( O q) N
C_C20 N65078 N65084 2p TC=0,0 ( G: i; N% j# L) Q1 m1 S
X_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP
" E! d' l% O$ p" E- N' L$ ZR_R32 N65304 N65084 10k TC=0,0 . u# O2 \3 T$ L$ N
R_R38 0 N65078 200k TC=0,0 , g* P) }1 F6 o: o
R_R35 N64854 N64844 10000k TC=0,0 + a1 [0 h ^/ t6 H! Z2 n
R_R36 VEE4 N65118 1k TC=0,0
( l4 ~8 t! @' h- T) _; vC_C24 N65556 N65606 1p TC=0,0 ! S+ G! f! q% c
R_R41 0 N35593 100 TC=0,0
; J3 ~4 g, z. U% X/ n# q+ @3 VR_R42 0 N35593 100 TC=0,0
: E( ?8 A# E$ A2 |0 f( U* \R_R43 N66667 N35531 220k TC=0,0 ; s7 p! Q) R/ C9 z
C_C27 N35593 N66667 1p TC=0,0
5 _, l4 S: _* o2 H/ ~R_R44 N68082 VCC3 1.1M TC=0,0 0 r# v3 m" r, z7 s- K
R_R45 N35531 N68082 1.1M TC=0,0
7 d" ?% e% r cX_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045! Y# a6 |8 V7 o. x+ G" ?
.PARAM rx=500k! Z7 G N$ B- V* ~9 S" x
**** RESUMING 01.cir ****
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- N* \# V- [1 T; t/ z**** EXPANSION OF SUBCIRCUIT X_U12 ****0 ~! ?* Z1 i2 @, h1 L2 r
X_U12.RCM15 N35531 X_U12.105 10MEG
- {: e+ R0 @8 \# r+ DX_U12.RCM25 N71678 X_U12.105 10MEG4 s# }7 A4 X$ G2 y& _4 D$ O- ~% }3 l
X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1
; Q1 @" X8 q- G0 P$ J2 qX_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN. [1 U& _# Z* }
X_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN
' l% D& w+ i) J2 p' bX_U12.RC1 VCC3 X_U12.5 537.15 T_ABS3 C6 O+ q8 M& X& Z4 ?
------------------------------$
; s, ^+ p4 d- ^ z; B: I' b$ pERROR(ORPSIM-16145): unknown parameter
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