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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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(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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& Q! E* O- }# y0 D4 x1 Y& h**** 12/18/15 18:43:33 ***** Pspice 16.6.0 (October 2012) ***** ID# 0 ********/ S# [ P1 m- l0 p
** Profile: "SCHEMATIC1-01" [ E:\work\simulation circuit\simulation circuit of me\test3-pspicefiles\schematic1\01.sim ]
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**** CIRCUIT DESCRIPTION
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******************************************************************************2 i( ?( u+ R/ y4 {
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** Creating circuit file "01.cir" 6 G; S6 W$ Q( z
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
, g) J; E: N, j*Libraries:
$ b+ `$ q! N. t0 w* Profile Libraries :
( e6 J* K% ?3 w4 ^. N* Local Libraries :
6 C% X( B3 i8 q; `! d! r.LIB "E:/work/PSPice/PSpice_Module/AD8045/ad8045.lib"
9 s: B, d5 [6 t5 B3 N. B( I' i.LIB "E:/work/PSPice/PSpice_Module/PBF951/pbr951.lib"
$ o* O& ^0 h" p7 ?% Y7 j6 q.LIB "E:/work/PSPice/PSpice_Module/bfg520_xr/bfg520xr.lib" ' `! T7 ]/ N( ], U
.LIB "e:/work/pspice/pspice_module/ada4610/ada4610.lib" 2 S2 ~3 {' u. M4 v; _! z7 p6 d: N
.LIB "e:/work/pspice/pspice_module/bf998wr/m4.lib"
1 F; R6 _0 u5 L0 e5 J+ w" D* From [PSPICE NETLIST] section of C:\Users\Administrator\AppData\Roaming\SPB_Data\cdssetup\orcad_PSpice/16.6.0/PSpice.ini file:
/ ~0 |" k/ D+ y, i5 q; M6 F- P+ p+ e" z*Analysis directives: ; N/ U2 C' s0 \( A
.AC DEC 10 10Hz 100000000Hz+ b$ ~- p1 @* q2 x( O" O
.OPTIONS ADVCONV/ L* I2 y; g( N8 D! a
.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*)) - u, v; b& ]% O2 Z! r7 `- u
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ERROR(ORPSIM-16058): Command ignored( }$ y" O. \# J5 _5 j
.INC "..\SCHEMATIC1.net"
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) N" f) [' z" ?8 l( r**** INCLUDING SCHEMATIC1.net ****1 O- `/ c3 }' j' @6 i5 C
* source TEST37 Z4 d2 }; \- `+ \& Q4 C9 s
X_U3 N22677 N22309 VCC VEE N22589 ADA4610 ( L! R/ o. m6 \
C_C9 N22335 N22327 1000p TC=0,0
8 T& |! d4 C- ]1 `/ GX_M4 VEE N22683 VEE VEE BF998WR/PLP
+ L$ k* C4 n: z: N% u3 _3 oR_R15 N22317 N22589 10k TC=0,0
7 E: a5 l, n* {) H* D5 bR_R16 0 N22677 500k TC=0,0 + _ D/ G ^3 I# V$ z; v
R_R19 N22309 N22387 500k TC=0,0
$ U) X/ T& R5 \+ T6 zR_R20 0 N22309 500k TC=0,0 # f0 Z3 z6 V5 H
R_R18 VEE N22387 500k TC=0,0
6 R7 u8 f& X- W3 P9 D4 T+ j& aR_R13 N22677 N22335 500k TC=0,0 , C/ p- X0 J6 j1 c2 G: J, W1 m
R_R14 N22589 N22327 10k TC=0,0
3 c, ~+ R) \) @) R9 CX_M3 N22683 VCC N22327 N22327 BF998WR/PLP% a Z( n6 h/ J9 E5 S/ L% C
R_R17 0 N22317 10k TC=0,0 7 L7 [( T, h% }
V_V7 VCC 0 5Vdc0 e! ~& K) J$ k% x" `1 ?8 l' w
V_V8 0 VEE 5Vdc5 q( Y2 d2 f- r% i
C_C10 N22309 N22317 1000p TC=0,0 6 [/ i t/ `/ g0 Y z( b. {1 K# }
C_C7 0 N35645 91p TC=0,0
1 b/ ]0 R; P" oV_V2 VCC3 0 5Vdc* a* h, G! B G6 u [/ M# M
C_C1 N35593 N35663 1p TC=0,0 % \, K4 [5 H* B1 k, ^9 Q' W( ?
C_C5 N35645 N35531 1p TC=0,0 8 P! h/ W: b7 r5 }1 n+ t& q0 `
C_C2 N35531 N35663 10p TC=0,0
6 G! I, P5 m! L+ b; ]: wC_C4 N66667 N35531 1p TC=0,0 , n4 i: W& ` {
V_V1 N35593 0 DC 0Vdc AC 10Vac
; J* {/ w! _( f. V* Z% SC_C6 0 N35531 1p TC=0,0 3 w. Y/ i& b P1 U6 m [- B% L
R_R2 N35593 N66667 680k TC=0,0 8 b% q8 W% h0 ?3 s3 I! i+ J
R_R6 0 N35531 200k TC=0,0 9 ~ N6 Y" Z. K' _, o
R_R1 N35663 N35593 91 TC=0,0 6 e% X0 z. w& }5 d: A
R_R5 N35531 N35645 10 TC=0,0
8 b/ \! m$ w' U/ rV_V3 0 VEE3 5Vdc" { d& g, j) b3 G6 A% D0 M
C_C14 N44706 N44772 1p TC=0,0 $ S4 B5 {- Z$ t$ X% |
C_C13 N44754 N44702 1p TC=0,0 / k4 l4 T c8 u1 L* ]9 m8 M2 Q
R_R24 N44702 N44754 10 TC=0,0 8 @) u$ @$ Q( N e
C_C11 N44702 N44772 10p TC=0,0
; U- F) E- j; h/ z& H/ P# bR_R22 0 N44702 100k TC=0,0
L7 K0 `1 r2 O4 O) E: N' b4 ?V_V10 N44706 0 DC 0Vdc AC 10Vac
5 I x5 G9 j: ER_R23 N44772 N44706 91 TC=0,0 : W, f3 o, h6 X! V7 T$ I
C_C15 0 N44702 1p TC=0,0
9 b# n3 J+ E* U5 c: ~/ t! L/ {, sC_C16 0 N44754 91p TC=0,0
1 |9 p# o# Z# s5 P' vC_C12 N44706 N44698 1p TC=0,0 7 b9 Q4 P. t. A
R_R26 N44698 N44702 220k TC=0,0 8 u- E7 F9 Z( S9 s& Z
R_R25 N44706 N44698 680k TC=0,0 # ~/ \* G2 p1 Y3 K
C_C17 N44698 N44702 1p TC=0,0
& w& C2 O" ~" ~$ L% pV_V9 N22335 0 DC 0Vdc AC 1Vac 4 S; }) Z: J/ s: `/ B
X_U8 VCC N22683 N22387 PBR9519 r. b+ {' Q+ q+ L- v+ N
R_R34 0 N64836 100k TC=0,0 + f% w* k3 Y: V8 x; l9 v
V_V13 N65556 0 DC 0Vdc AC 10Vac
: w. d1 [! ]* w1 ~ oC_C25 0 N65078 1p TC=0,0 , b. I, Q! U( y( D/ }# _) Q- i" J
R_R39 N65606 N65556 90 TC=0,0
8 P' U9 Q% w0 z/ W" q$ l' BR_R28 N64854 N65118 100k TC=0,0
- x" [6 R( F/ p! w. wX_M6 N65382 VCC4 N65084 N65084 BF998WR/PLP
3 A4 V5 Y2 j' P# u O9 L0 `- xR_R37 N65556 N65078 900k TC=0,0
d8 `1 G! Q) H/ _! L9 RR_R29 0 N64854 100k TC=0,0
, p- I6 i; N% M2 X6 ^, R% P" S4 pV_V11 VCC4 0 5Vdc
K: e2 `4 X4 }, |5 cV_V12 0 VEE4 5Vdc
: i S# `0 j. m. t& ZC_C22 N65556 N65078 1p TC=0,0 8 _0 `9 E- W6 }, i
C_C21 N65078 N65606 10p TC=0,0
4 M/ [9 b) R4 J( zR_R33 N64836 N65078 100k TC=0,0 " R& e Q/ ?& G% m% B, g" n
R_R30 N64844 N65304 10k TC=0,0 # s! d! i2 y; S- x# @
C_C23 N65594 N65078 1p TC=0,0 + d1 x4 u( T7 ?9 G, m3 C, q
X_U10 N64836 N64854 VCC4 VEE4 N65304 ADA4610
$ J6 E+ m X) F# N4 ~* u1 BR_R31 0 N64844 10k TC=0,0
p* V9 b$ y* s2 Q! U" r& GX_U11 VCC4 N65382 N65118 PBR951
( Y% z, q: S# P" W! I9 dC_C19 N64854 N64844 2p TC=0,0 & J8 J* ^3 D0 J1 ^/ I4 t: h
R_R40 N65078 N65594 10 TC=0,0
8 q* |( f4 E; c9 eC_C26 0 N65594 91p TC=0,0
: ~, l5 O% k+ L6 O! OC_C20 N65078 N65084 2p TC=0,0 & f) y5 T; f9 H+ q& l) a- B- R
X_M5 VEE4 N65382 VEE4 VEE4 BF998WR/PLP# O; ^! Y/ A6 V
R_R32 N65304 N65084 10k TC=0,0
) }8 L+ d& H, L9 u: ]R_R38 0 N65078 200k TC=0,0
8 ?) d7 W( i' M: J$ @5 ^R_R35 N64854 N64844 10000k TC=0,0
f) S9 F: s8 K8 Z, q* L3 N) kR_R36 VEE4 N65118 1k TC=0,0 ' j- W$ V# z- g+ z
C_C24 N65556 N65606 1p TC=0,0
* X' G; o- q2 P% F# aR_R41 0 N35593 100 TC=0,0
% i( h) S3 C* ~9 O: R* hR_R42 0 N35593 100 TC=0,0
2 W7 N5 o% w1 m- F) `R_R43 N66667 N35531 220k TC=0,0 / T1 ?: V( |/ m+ a6 @" v
C_C27 N35593 N66667 1p TC=0,0
# C9 I( z/ _: b. y N1 |* } eR_R44 N68082 VCC3 1.1M TC=0,0
5 J N( N- o N$ X4 i3 yR_R45 N35531 N68082 1.1M TC=0,0
8 Y! L y4 ]- ~; Z5 h& }X_U12 N35531 N71678 N71678 VCC3 VEE3 AD8045
( z; S, B' k* Y# z, n.PARAM rx=500k) R4 `# b$ T% m+ g, Y3 L$ L
**** RESUMING 01.cir **** `% D8 b4 A; f7 e2 O: f
.END
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**** EXPANSION OF SUBCIRCUIT X_U12 ****
, v" Q$ O& w( n& Y7 gX_U12.RCM15 N35531 X_U12.105 10MEG
! |( N: `1 G TX_U12.RCM25 N71678 X_U12.105 10MEG) V3 {6 C( q) y% f- A5 f/ z
X_U12.EOS N35531 X_U12.92 POLY 1 X_U12.300 X_U12.100 0 1
$ w" D$ J( c7 W2 y, z: Z. YX_U12.Q1 X_U12.5 X_U12.9 X_U12.7 X_U12.NPN4 ?4 {! W i, O" d
X_U12.Q2 X_U12.6 N71678 X_U12.8 X_U12.NPN
1 k& _4 V) h4 [! z! t/ g4 bX_U12.RC1 VCC3 X_U12.5 537.15 T_ABS! b, i. \- X- W" h$ @
------------------------------$
' M9 {3 d8 c2 |+ R9 Z+ y5 s/ U1 e. pERROR(ORPSIM-16145): unknown parameter( i% u9 Y( S$ U8 V8 v H7 B0 w( G+ z; J
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