I have decode some encrypted ic's model,Do anybody have interest about it? LT1508:
- Copyright ?Linear Technology Corp. 1998, 1999, 2000, 2001, 2002,
- =2Esubckt LT1508 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A3 N006 14 3 3 3 3 N009 3 OTA G=3D1m Linear Vhigh=3D100m Vlow=3D-100m Rout=3D1K Cout=3D3p A1 N009 3 3 3 3 3 N018 3 OTA G=3D20m Rout=3D5Meg Linear Cout=3D2n Vlow=3D0 Vhigh=3D12 C1 14 3 1p Da 10 3 DE Db 9 3 DAC C2 9 3 5p B1 3 N015 I=3DI(Da)*I(Da)*I(Db) Nojacob C3 8 3 5p C4 N015 3 6f A7 7 8 3 3 3 3 6 3 OTA G=3D320u Iout=3D120u Vhigh=3D8.1 Cout=3D10p Vlow=3D1 Rout=3D4Meg A8 N033 4 3 N039 N036 3 N041 3 =FD=FD=FD=FD=FD=FD Nobreak Trise=3D100n Vhigh= =3D16 Ref=3D.5 S2 1 2 3 N043 DN C5 N046 1 20p C6 1 2 20p S3 1 N046 N043 1 UP D3 17 N046 DRP C10 17 3 500p C14 N046 3 500p G2 3 8 N020 3 .25m A4 3 N015 3 3 3 3 N020 3 OTA G=3D1 Linear Cout=3D1p Ref=3D0 Rout=3D4K Vhigh=3D100 G1 3 10 N018 3 1m R11 10 3 1K R12 N036 6 10Meg C15 N036 3 10f R13 N043 N041 1K C16 N043 3 25p I1 17 3 .75m load S1 N035 17 N012 N035 QES R14 N035 3 970 C17 N035 3 10p A5 4 N010 3 3 N012 3 N033 3 EXTOSC Vtcap=3D3.75 Vhcap=3D2.35 Vextres=3D7.5 duty=3D.96 Vtgo=3D.5 Nobreak tripdt=3D10n C19 4 3 20p R16 N010 15 5 G4 3 N011 N010 15 .1 R17 N011 3 4K A9 3 N011 N020 N020 N020 N020 3 N020 VARISTOR C20 15 3 20p C21 7 3 5p R19 12 N012 10 V3 N006 3 7.5 Rser=3D1K A11 5 3 3 3 3 N039 3 3 SCHMITT Vt=3D0 Vh=3D1m Vhigh=3D10 Trise=3D1u Td=3D1u R21 N012 5 1G S4 3 N015 11 3 OVP R24 11 3 1G C23 11 3 1p A2 10 3 3 3 3 3 N021 3 OTA G=3D35u Ref=3D2.2 Iout=3D70u Cout=3D1p Vhigh=3D10=
Vlow=3D-10 D1 N023 7 DD I2 17 N023 7?load D2 N023 N021 DD C24 10 3 1p C25 16 3 5p I3 17 16 14?load A13 3 16 N006 N006 N006 N006 3 N006 VARISTOR S5 16 3 3 N012 SS A14 4 3 3 3 3 3 N040 3 SCHMITT Vt=3D3.95 Vh=3D0 tripdt=3D10n A15 N040 N027 3 N031 N032 3 N042 3 =FD=FD=FD=FD=FD=FD Nobreak Vt=3D-1.2 Tris= e=3D100n Vhigh=3D16 Ref=3D.5 minon=3D200n S6 20 2 3 N044 DN C27 N047 20 20p C28 20 2 20p S7 20 N047 N044 20 UP D9 17 N047 DRP C29 N047 3 500p R3 N044 N042 1K C31 N044 3 25p G3 3 N038 19 3 10? R25 N038 3 100k C30 N038 3 1p C32 19 3 5p R26 19 3 1G I4 17 18 50?load C33 18 3 5p C34 13 3 5p S8 13 3 3 N045 SS A16 3 13 N032 N032 N032 N032 3 N032 VARISTOR R27 18 N032 10Meg C36 N032 3 10f A6 N038 3 3 3 3 3 N031 3 SCHMITT Vt=3D1 Vh=3D1m Vhigh=3D10 Trise=3D1u A10 3 N012 3 N029 3 3 N045 3 AND Vhigh=3D7.5 Trise=3D1u ic=3D7.5 Ref=3D3.5 A17 11 3 3 3 3 3 N029 3 SCHMITT Vt=3D5.85 Vh=3D1.15 Vhigh=3D7.5 A18 17 3 3 3 3 3 N012 3 SCHMITT Vt=3D13 Vh=3D3 ic=3D7.5 Vhigh=3D7.5 Trise=3D=
1u I5 17 13 14?load R9 4 N027 10Meg R18 N027 3 20Meg =2Emodel DD D(Ron=3D10 Roff=3D1G) =2Emodel DE D(Ron=3D25K Roff=3D1G Vfwd=3D1.4) =2Emodel DAC D(Ron=3D32K Roff=3D1G Vfwd=3D2) =2Emodel DN SW(Ron=3D3 Roff=3D10Meg Vt=3D-.45 Vh=3D-.35) =2Emodel DRP D(Ron=3D1 Roff=3D1G Vfwd=3D3) =2Emodel UP SW(Ron=3D1 Roff=3D10Meg Vt=3D.55 Vh=3D-.1) =2Emodel QES SW(Ron=3D1 Roff=3D1G Vh=3D-.1) =2Emodel OVP SW(Ron=3D1K Roff=3D25Meg Vt=3D7.875 Vh=3D175m) =2Emodel SS SW(Ron=3D100 Roff=3D1G Vt=3D-3.75 Vh=3D-3) =2Eends LT1508