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电路是一个很简单的分压电路加一个运放，如下：! i2 Q: {- }% \
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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：" R: e7 v) @. l/ }8 X8 G9 l7 e
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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。）
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: o7 W. a" E# L/ b4 j q" V V2 L**** 12/18/15 18:43:33 ***** PSpice 16.6.0 (October 2012) ***** ID# 0 ********; r6 ~, H8 P1 L, i
** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ]
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**** CIRCUIT DESCRIPTION
1 }4 C7 S1 e, M7 \7 [7 ]) s
1 p& y2 |& A$ z******************************************************************************) N; i% M( k: ^2 i4 G3 `
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; Y4 L3 k1 \- w* Q** Creating circuit file "01.cir" $ j5 o8 m$ Z' w3 `* \
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS" q' {( a% m1 q% P
*Libraries: 4 P1 O' D# P, E0 E3 J# W% @
* Profile Libraries :
6 K/ I) _: j0 ?5 v* Local Libraries :$ K% w% E+ F3 T7 N" j$ Y1 N9 o
.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib" 7 Q7 p z1 u- A3 V" E* g6 G
.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib"
0 d* P* S) c% s.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib" ; `6 k! t, N. w x/ m1 |4 m' F* b
.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib"
6 x9 R Z* R' R2 [' i* n% q.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib"
, h& S3 Q# v R' a5 k8 b. t0 j* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\OrCAD_PSpice/16.6.0/PSpice.ini file:6 ^ r- ^& @; I+ X3 ~* X
*Analysis directives: 6 k" D9 g$ j& U0 D) b" ]: r
.AC DEC 10 10Hz 100000000Hz
3 W8 X- p) C X8 M3 }: d9 B.OPTIONS ADVCONV9 v2 @7 h+ g7 i& W* Z
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*)) # R$ f- \9 j5 Z" x, u$ \* f' k8 q
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ERROR(ORPSIM-16058): Command ignored
7 `/ Q, u; V5 {2 o.INC "..\SCHEMATIC1.net"
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# U. {/ z: A7 ? R, B**** INCLUDING SCHEMATIC1.net **** K1 }% j, C8 ?- x [: D+ s, K
* source TEST33 x3 h5 M* ^$ ?3 S( q
X_U3 N22677 N22309 VCC VEE N22589 ADA4610 # L$ W; m) Y0 ]5 C: @: o
C_C9 N22335 N22327 1000p TC=0,0 ' {% m. p* Q7 J+ B
X_M4 VEE N22683 VEE VEE BF998WR/PLP
& S: ~9 K5 o, G2 U$ UR_R15 N22317 N22589 10k TC=0,0
7 ]+ F# L5 H% @ Z- s. G8 F6 JR_R16 0 N22677 500k TC=0,0 * s+ a9 K5 \7 }# x
R_R19 N22309 N22387 500k TC=0,0
1 X. c. d# n, l/ T' v+ v" tR_R20 0 N22309 500k TC=0,0
# {7 r: K M! k2 E% [% XR_R18 VEE N22387 500k TC=0,0
) F3 q2 w3 ~( {/ T- G6 LR_R13 N22677 N22335 500k TC=0,0
; J: p; a @+ U7 i0 ER_R14 N22589 N22327 10k TC=0,0
+ K/ ~7 k% w9 YX_M3 N22683 VCC N22327 N22327 BF998WR/PLP
L9 F6 a# ~8 M: w+ ?8 \R_R17 0 N22317 10k TC=0,0
% c1 \1 A; W$ EV_V7 VCC 0 5Vdc
* X d! ~, ~& q, v% f; h4 H* _V_V8 0 VEE 5Vdc( Z" b' R$ d( R/ J; |- f) @
C_C10 N22309 N22317 1000p TC=0,0
( ^: | H9 `4 H/ N% s& uC_C7 0 N35645 91p TC=0,0
4 E$ c1 P4 u' S( UV_V2 VCC3 0 5Vdc
# g2 P' | b" D K; BC_C1 N35593 N35663 1p TC=0,0 " K; w0 ^: R4 ^ J$ H" K# }
C_C5 N35645 N35531 1p TC=0,0
0 {$ d# [- t* m( I, w: kC_C2 N35531 N35663 10p TC=0,0
6 m5 m: b5 N8 N. C+ E' @# u+ L7 UC_C4 N66667 N35531 1p TC=0,0
: @. Q' g E$ dV_V1 N35593 0 DC 0Vdc AC 10Vac % p* ]. x5 x5 x7 z5 a
C_C6 0 N35531 1p TC=0,0
7 p k3 _& [# t% OR_R2 N35593 N66667 680k TC=0,0
, ^- k" C% h* f4 T9 w$ T/ qR_R6 0 N35531 200k TC=0,0
8 H, E+ D: J, S$ y8 A ZR_R1 N35663 N35593 91 TC=0,0
6 D: d5 p: R* PR_R5 N35531 N35645 10 TC=0,0
+ Y( H: d! H$ w6 ^9 CV_V3 0 VEE3 5Vdc. Z+ y! v) f2 B" B
C_C14 N44706 N44772 1p TC=0,0 4 Q- |2 \( j$ ]) v# O9 I
C_C13 N44754 N44702 1p TC=0,0 7 k- J4 F; n' [9 N
R_R24 N44702 N44754 10 TC=0,0
( K7 U ^* ]+ |, X7 wC_C11 N44702 N44772 10p TC=0,0 " ~0 P. u) r" j
R_R22 0 N44702 100k TC=0,0 ' i4 A6 [' A! H" A0 B
V_V10 N44706 0 DC 0Vdc AC 10Vac 0 B6 q, n# M/ `
R_R23 N44772 N44706 91 TC=0,0
- g% G" T- L/ A ]C_C15 0 N44702 1p TC=0,0
% h: L' E2 O* J" p2 a" fC_C16 0 N44754 91p TC=0,0 , C# B7 F) z, p+ S
C_C12 N44706 N44698 1p TC=0,0
4 O. L0 w4 M1 {: d+ [R_R26 N44698 N44702 220k TC=0,0 ; n8 o" {' w8 Q8 y, x, R9 q4 f5 V+ k
R_R25 N44706 N44698 680k TC=0,0
' L$ t6 `8 F! u, w" f) W ~! yC_C17 N44698 N44702 1p TC=0,0
" M8 L- G* h. GV_V9 N22335 0 DC 0Vdc AC 1Vac
$ b' t5 O0 W w3 V, U+ U5 DX_U8 VCC N22683 N22387 PBR951/ m) S; v. g9 F
R_R34 0 N64836 100k TC=0,0 9 a3 ]0 g+ }' a: I7 c6 Y
V_V13 N65556 0 DC 0Vdc AC 10Vac
# i: s0 d( _( ?. ]2 q1 TC_C25 0 N65078 1p TC=0,0
5 p0 D' J% g9 |3 i, @6 mR_R39 N65606 N65556 90 TC=0,0
2 [8 C- |* u& x% @R_R28 N64854 N65118 100k TC=0,0
& S# b- o& Z( M( s4 Y# F( IX_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP) S$ Z; o( J8 h/ U' U
R_R37 N65556 N65078 900k TC=0,0
9 q1 Z9 ~# H% G! h' ]1 YR_R29 0 N64854 100k TC=0,0
+ r# ?) [2 g* lV_V11 VCC4 0 5Vdc
& F4 @& e- z6 j% {7 cV_V12 0 VEE4 5Vdc
" j& x G) S0 ^1 v. {, ~C_C22 N65556 N65078 1p TC=0,0
: n ~# A4 E7 T8 |C_C21 N65078 N65606 10p TC=0,0
9 T' u, Z9 B! O7 HR_R33 N64836 N65078 100k TC=0,0 % c/ h, t w, b8 h
R_R30 N64844 N65304 10k TC=0,0 " g, G" r7 M3 Z6 U$ N2 z
C_C23 N65594 N65078 1p TC=0,0 ( h, o5 t0 n' S, N
X_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610 ) _+ ~6 x2 Q; \; u
R_R31 0 N64844 10k TC=0,0 ) u9 H. _2 N# w; F
X_U11 VCC4 N65382 N65118 PBR9518 p) C3 d- d, m! l4 Q- x, b
C_C19 N64854 N64844 2p TC=0,0 ( \, R% k) Z* d! k
R_R40 N65078 N65594 10 TC=0,0
5 H# |6 A- C6 S8 O# n( p! @C_C26 0 N65594 91p TC=0,0 ' U1 F' ~9 d2 I! x# |. G& J, P$ s
C_C20 N65078 N65084 2p TC=0,0 9 l7 b: r; a4 r% K" C4 o) M
X_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP2 V. [1 A+ t' a* L4 ^2 T
R_R32 N65304 N65084 10k TC=0,0 3 P" r. C3 A/ l+ E+ F/ h
R_R38 0 N65078 200k TC=0,0
( I- V6 c( {0 J; qR_R35 N64854 N64844 10000k TC=0,0
1 [1 A- K9 K8 }6 ]R_R36 VEE4 N65118 1k TC=0,0 " V: L e, G- C; k' X* y+ `
C_C24 N65556 N65606 1p TC=0,0
7 x3 b1 N1 n3 a2 CR_R41 0 N35593 100 TC=0,0
/ ]% l; Z, y2 ]. gR_R42 0 N35593 100 TC=0,0
' C0 X4 O6 h; i6 `! D+ fR_R43 N66667 N35531 220k TC=0,0
" k: X) P' y& j9 }C_C27 N35593 N66667 1p TC=0,0
, H7 D- l1 T+ d" P( o, P9 pR_R44 N68082 VCC3 1.1M TC=0,0
) _7 d, x. \" h9 |6 r& KR_R45 N35531 N68082 1.1M TC=0,0
3 j b. i8 q- E' w" I. o) dX_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045! O- e' r: p7 K7 I
.PARAM rx=500k8 V* L0 [/ n+ C' k* `
**** RESUMING 01.cir ****- P* `5 t3 Z4 v+ D4 a9 A
.END3 `5 V1 N3 [: N$ U7 k, d( L$ B3 I
- L1 @. g+ v; w# m0 P**** EXPANSION OF SUBCIRCUIT X_U12 ****
/ C* [5 a0 D& q9 K9 p0 Y4 r. NX_U12.RCM15 N35531 X_U12.105 10MEG
7 z4 E7 j; h) y- Q5 BX_U12.RCM25 N71678 X_U12.105 10MEG
2 i G; T8 w. U8 ?" J) P" _X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1 Z0 O( k2 L) N, R& ^: p: B9 k& G1 ^
X_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN
1 k' w& X. ^* ?# F OX_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN
2 q3 _( n- G1 W$ @" `6 X/ HX_U12.RC1 VCC3 X_U12.5 537.15 T_ABS
Y$ l" j6 u2 N1 |------------------------------$ H/ j# S9 `0 n5 z: @& _
ERROR(ORPSIM-16145): unknown parameter
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发表于 2015-12-19 09:41
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楼主
发表于 2015-12-20 21:44
