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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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, [8 h4 l) t6 J$ {2 p# x8 J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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& |% @- O: r; o（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。）: K! D3 Z, L; g1 m
/ U6 \$ F( V* ^ x**** 12/18/15 18:43:33 ***** PSpice 16.6.0 (October 2012) ***** ID# 0 ********
& e/ y* I/ q: s: E. j6 O l ** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ]
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/ H2 q6 @: \) ^, |7 w **** CIRCUIT DESCRIPTION
7 I( d& O3 i0 B9 l+ \# r: n( {5 _
8 h, }$ f* C6 V1 C******************************************************************************, b* g7 g9 q& L- E# e
5 }5 I |* k6 ?" a& D
6 `- _ X* R6 ^' v2 s: t0 B2 m! q** Creating circuit file "01.cir" : y- }, L: F; l; a
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS% g) {2 w/ i# x$ ^( q/ k2 q& H4 D
*Libraries: ; D2 o( s! e! u1 U* {
* Profile Libraries :* F! t; O1 F! O% u/ v8 ^
* Local Libraries : \+ m& x1 q9 d o, P
.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib"
3 `: d9 M2 @5 R5 E Z& Y.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib" + _! F/ `9 K! N3 w! _; h3 ^
.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib" : V1 _& Q. l" L7 ~* m
.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib"
0 N! x0 u) L: T.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib" ?. }& O: c1 ]& }7 b
* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\OrCAD_PSpice/16.6.0/PSpice.ini file:
( W4 b+ j; E! K1 C*Analysis directives:
* U' b& y$ W8 k8 B- T.AC DEC 10 10Hz 100000000Hz% h9 M5 @) a& g& T
.OPTIONS ADVCONV/ g3 U/ c! {8 |" L& @' g
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*))
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ERROR(ORPSIM-16058): Command ignored
1 B8 g& `% v N. y3 L2 F% f1 T.INC "..\SCHEMATIC1.net" : B0 H1 h. ~1 P! |* h& c! o* r
, v+ l9 b, X1 K+ a5 ~! a**** INCLUDING SCHEMATIC1.net ****
1 b$ E3 r4 Q% Y# ]* |( Z. w' {* source TEST3
; c2 o7 ?0 u9 f$ u- g' lX_U3 N22677 N22309 VCC VEE N22589 ADA4610
b9 x) k, [& EC_C9 N22335 N22327 1000p TC=0,0 ; A+ Q1 `8 [+ O p9 e
X_M4 VEE N22683 VEE VEE BF998WR/PLP9 W* w/ q6 r+ Z: N) @" v
R_R15 N22317 N22589 10k TC=0,0
! p; M4 ~; ?6 `# e( W! G2 CR_R16 0 N22677 500k TC=0,0
2 _) |+ |% _% b# UR_R19 N22309 N22387 500k TC=0,0
! m! s D0 \+ m/ FR_R20 0 N22309 500k TC=0,0 % ^' _. W% e ]( E" v
R_R18 VEE N22387 500k TC=0,0
: M8 q7 a2 ?1 cR_R13 N22677 N22335 500k TC=0,0 # ~6 X W8 D3 {5 z
R_R14 N22589 N22327 10k TC=0,0 , a8 B- a2 k( A
X_M3 N22683 VCC N22327 N22327 BF998WR/PLP; I u4 H& N5 [9 T! W( }! i
R_R17 0 N22317 10k TC=0,0 ; C3 m f" r! c; ]
V_V7 VCC 0 5Vdc: H/ t, e4 W% ]; z3 Z
V_V8 0 VEE 5Vdc
' l/ U* @# U5 P a& |0 s5 EC_C10 N22309 N22317 1000p TC=0,0
- }0 n0 q! ?- b# \C_C7 0 N35645 91p TC=0,0
: h/ t- {- S9 B, D' h2 z7 @V_V2 VCC3 0 5Vdc
2 Y4 Z) k6 J& X5 BC_C1 N35593 N35663 1p TC=0,0 6 Y+ e+ E8 b7 H
C_C5 N35645 N35531 1p TC=0,0 3 S& I+ I" O6 F z: o5 Q' P
C_C2 N35531 N35663 10p TC=0,0 2 A, _% T i, f
C_C4 N66667 N35531 1p TC=0,0
. x1 y G% n' B/ _% r5 y1 oV_V1 N35593 0 DC 0Vdc AC 10Vac 8 C; F% m& g: b0 }3 s
C_C6 0 N35531 1p TC=0,0 & r6 I) @ P' k' q* w* k. O
R_R2 N35593 N66667 680k TC=0,0 ' Y2 z; C6 I0 g4 I, M o; \. [! @
R_R6 0 N35531 200k TC=0,0
: K' A1 N7 p. {* ]5 B; ^5 NR_R1 N35663 N35593 91 TC=0,0 / i8 S9 k" B! x/ F) X! I8 Q4 F
R_R5 N35531 N35645 10 TC=0,0
& \0 w& o7 i& k, Y) z% L8 i: L/ }! xV_V3 0 VEE3 5Vdc
/ r1 n* g2 v4 [8 S2 p3 MC_C14 N44706 N44772 1p TC=0,0
2 }: c; I* c1 b* {/ i' ~) |: r* kC_C13 N44754 N44702 1p TC=0,0
3 [+ ?: p* V9 u& i2 sR_R24 N44702 N44754 10 TC=0,0
' N8 H! y- s- ~% dC_C11 N44702 N44772 10p TC=0,0 " o J3 t. ~+ c$ I) O
R_R22 0 N44702 100k TC=0,0
! a. Y8 ~. ^2 vV_V10 N44706 0 DC 0Vdc AC 10Vac
5 o* D# h1 t! MR_R23 N44772 N44706 91 TC=0,0
. Q. b7 l5 k4 v& q }C_C15 0 N44702 1p TC=0,0 5 \) b8 B& v, z* m3 A. s4 s
C_C16 0 N44754 91p TC=0,0
[6 ^6 d9 A2 U& YC_C12 N44706 N44698 1p TC=0,0 # ]" \& h+ n L; ]4 ~- R$ w
R_R26 N44698 N44702 220k TC=0,0
" L- T+ z7 F6 u$ O3 n3 L BR_R25 N44706 N44698 680k TC=0,0 0 ^# R2 C8 b+ L9 r P: w
C_C17 N44698 N44702 1p TC=0,0
' I2 r2 x3 D3 s5 j$ WV_V9 N22335 0 DC 0Vdc AC 1Vac
* @# g0 q& n6 }# M( ?3 f3 jX_U8 VCC N22683 N22387 PBR951: S- M+ i a' u/ q% m8 o
R_R34 0 N64836 100k TC=0,0
3 \( g7 x2 g4 l: d' c ?V_V13 N65556 0 DC 0Vdc AC 10Vac
, _3 a3 x! y* j! Y+ tC_C25 0 N65078 1p TC=0,0 4 I, p* ~$ p. ~/ ?1 i
R_R39 N65606 N65556 90 TC=0,0 ' t: ~6 [! s! l. S4 \% M
R_R28 N64854 N65118 100k TC=0,0 : C2 E! k' ^) h0 ^: d/ E& g
X_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP
$ o1 F# A& ^& R% @4 g1 sR_R37 N65556 N65078 900k TC=0,0
. @* y, Z) e. o( [: uR_R29 0 N64854 100k TC=0,0 7 |0 g5 o8 j. d0 Q" O$ i% g/ m3 L7 A
V_V11 VCC4 0 5Vdc
0 Q% P8 {8 l6 P' o: o# _V_V12 0 VEE4 5Vdc
* n% b4 e; K, E6 \' l3 _% T, Z1 {$ TC_C22 N65556 N65078 1p TC=0,0 5 y) |7 [" V3 s) C3 I* ]" Y- H
C_C21 N65078 N65606 10p TC=0,0
1 f& c ~) ~4 l7 W4 S+ S- gR_R33 N64836 N65078 100k TC=0,0
4 A& H& r, Y- X, v7 eR_R30 N64844 N65304 10k TC=0,0 ; Q+ a+ C; n. y2 y( j) A# k* U
C_C23 N65594 N65078 1p TC=0,0
& s; F) T1 t8 v; Q& x7 nX_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610
6 T( S, B* C# F: p+ l% v* [5 x/ u& RR_R31 0 N64844 10k TC=0,0 % O6 Y! S- q7 Z$ C: u1 r# M3 q
X_U11 VCC4 N65382 N65118 PBR951
0 h N+ ^% s BC_C19 N64854 N64844 2p TC=0,0 1 w1 M- O0 M3 B
R_R40 N65078 N65594 10 TC=0,0
& E, a8 l: c2 bC_C26 0 N65594 91p TC=0,0
$ F, h1 k$ ]+ m$ e( w5 wC_C20 N65078 N65084 2p TC=0,0
; ~, v0 a. d5 h5 t5 nX_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP
3 j1 _ C$ u- D6 {) F% {R_R32 N65304 N65084 10k TC=0,0
' Y$ V5 D+ M. q$ y' ^0 q) r; VR_R38 0 N65078 200k TC=0,0
0 m, p' M i4 I( S6 V0 l [R_R35 N64854 N64844 10000k TC=0,0 + h) g# e1 G: a( [& t s) X) x: g
R_R36 VEE4 N65118 1k TC=0,0 / @: s! q4 R$ `, }! ~$ D& Z
C_C24 N65556 N65606 1p TC=0,0 # v: a3 {. k% F! M$ c- V4 k- Z$ G
R_R41 0 N35593 100 TC=0,0
1 B# W2 s3 k1 B" X$ bR_R42 0 N35593 100 TC=0,0
0 p% R" S/ X4 A2 ZR_R43 N66667 N35531 220k TC=0,0
' f2 A0 g& A5 {6 ~" BC_C27 N35593 N66667 1p TC=0,0 8 q1 x7 X- f' Q! g
R_R44 N68082 VCC3 1.1M TC=0,0
7 x2 m0 G& N# `' J8 t0 f4 sR_R45 N35531 N68082 1.1M TC=0,0 2 R; E: W7 s4 S* a$ Y
X_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045 c; j/ K: |8 q$ ^
.PARAM rx=500k! V5 ]+ S; l1 s" p6 V. S; W
**** RESUMING 01.cir ****' y5 V+ R- j' E; a( ^
.END
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**** EXPANSION OF SUBCIRCUIT X_U12 ****
. X. r! K, p, Z2 GX_U12.RCM15 N35531 X_U12.105 10MEG% q8 r1 O1 N6 H3 a4 T: ]* M
X_U12.RCM25 N71678 X_U12.105 10MEG
2 R' B- U" x& ]1 W5 }( Q9 d0 QX_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1" Y: n5 B: u. Y% K' e1 @
X_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN
! [7 j/ Z: G E1 a, a* C) [X_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN
v f, A6 ~0 L7 |. B; sX_U12.RC1 VCC3 X_U12.5 537.15 T_ABS4 r* c2 e4 l6 j+ {
------------------------------$
7 o: m3 L9 t: b- h4 q0 `ERROR(ORPSIM-16145): unknown parameter+ ^) D) ~0 _5 A/ u- K) X/ T4 X8 l% [
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发表于 2015-12-18 19:44
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