Hspice 將理想OPA 換成自己想要的

ColbyChiu@FB

從講義找到一份模擬
& T4 `# T" x" K5 u* T
  {  l( G4 M- ^' lAC ANALYSIS FOR biquad filter
/ f/ M: L# v% ]) U" U( O2 W
.PARAM r1_value=1k
6 {( Q! ]9 @4 s+ k& {# n% N
*** creat ideal opamp ***
; f! _: O$ c$ h) R1 C% W.subckt ideal_opa 1 2 3
6 M# z9 F9 `9 L. m3 Ceopamp 3 0 1 2 1E10
0 [  o% p$ Z& M. Z. w) h.ends ideal_opa

. g* V7 e9 N0 @# \# a. v*** element and source ***
+ Q& r; o2 a' K" I& b1 d$ Z3 Svi in gnd dc=0v ac=1v

r1 1 out1 r1_value
r2 out1 2 1k
r3 1 out3 10k
r4 in 1 1k
# ?  y! k, x6 l  {8 O9 N2 s& Cr5 out2 3 1k
r6 3 out3 1k
& |' ]8 }- M, c* {7 `' t# N" ]c1 1 out1 1uf
* T9 {7 x6 @$ g( ^9 Mc2 2 out2 1uf

r7 4 out4 r1_value
: q/ F3 |! w' }3 O0 a6 jr8 out4 5 1k
' V1 B1 K  M- Z4 ~- E, Pr9 4 out6 10k
r10 out2 4 1k
r11 out5 6 1k
2 w" Z1 X) j, Fr12 6 out6 1k
c3 4 out4 1uf
c4 5 out5 1uf
1 u! C8 T' X! N! ~
$ x; t5 S( F2 D% _' qxopa1 1 gnd out1 ideal_opa
xopa2 2 gnd out2 ideal_opa
0 L7 ~8 l: n% f% M7 k6 s# h" [xopa3 3 gnd out3 ideal_opa
1 `+ s. Y! D$ ?; \/ @. t2 q$ Oxopa4 4 gnd out4 ideal_opa
xopa5 5 gnd out5 ideal_opa
xopa6 6 gnd out6 ideal_opa

*** perform op and ac sweep ***
.AC DEC 100 0.01Hz 100MEGHz SWEEP R1_VALUE POI 1 1K
3 \8 Y" e( O+ W3 f4 f3 k/ V.PZ V(OUT1) VI
.option print AC VDB(OUT1) VP(OUT1) VDB(OUT2) VP(OUT2)
$ X& F& w. |* l* u, @- r+ g0 L2 b9 A.end



如何把上面的理想OP換成下面的OPA
& }3 _4 p1 Z9 V5 F
AC ANALYSIS FOR CMOS OPA
  `: {3 h. e1 M, Z
+ @5 Z& m$ t7 J  X.PARAM CF_VALUE=0.01PF
# k. n" _! g$ e) J( S) O. ?.PARAM RF_VALUE=20K

***** SOURCE & ELEMENT *****

* a# y9 S8 u3 j7 D8 t3 FVIN1 IN1 GND 0V
VIN2 IN2 GND AC=1V
VDD 1 GND +5V
VSS 6 GND -5V
- ~* ]2 ]) N  k: a/ MIREF 2 6 25uA
, O# I  q& U) R9 ~3 C( M  Y- ]CF 5 8 CF_VALUE
RF OUT 8 RF_VALUE
M1 4 IN1 3 1 PMOSFET L=8u W=120u
M2 5 IN2 3 1 PMOSFET L=8u W=120u
M3 4 4 6 6 NMOSFET L=10u W=50u
; x% }. I; V) ]8 h6 P" k4 I  X' MM4 5 4 6 6 NMOSFET L=10u W=50u
+ S1 u0 R, S" |- z7 {M5 3 2 1 1 PMOSFET L=10u W=150u
M6 OUT 5 6 6 NMOSFET L=10u W=100u
M7 OUT 2 1 1 PMOSFET L=10u W=150u
M8 2 2 1 1 PMOSFET L=10u W=150u
  h( N8 X& @% p.MODEL NMOSFET NMOS (KP=20u VTO=+1V LAMBDA=0.01)
$ r8 L0 v5 s/ h6 P.MODEL PMOSFET PMOS (KP=10u VTO=-1V LAMBDA=0.01)
& \  S1 B% U# ?. a麻煩各位幫幫忙了
% [4 I$ n) d/ |# m7 d
0 u, Q( C* |# @4 D
& T9 R5 p0 F. k$ N- ^3 a: w' K
0 X8 z/ q" Z) m& w# c& o