IC Modeling

Device Modeling of Oscillator Using PSpice

14OCT2014Bee Technologies IncTsuyoshi Horigome

Equivalent Circuit

V 15 V d c R 1

1 0 0 M E G

IN+IN-

OUT+OUT-

E 1

if (V (N _ I N P U T)>4 , 5 , 0 )E V A L U E

N _ I N P U T

0 0

0

R 2

8 . 0 1 5 k

C 12 . 7 1 1 n

I C = 0

O s c illa t o r_ I N P U T

IN-

OUT+

OUT-

IN+G 1

if (V (O s c illa t o r_ O U TP U T)>4 , {I O U T}, 0 )G V A L U E

0

D b re a kD 1

D b re a kD 2

V 20 . 5 V d c

V 33 V d c

0 0

IN+IN-

OUT+OUT-

E 2

if (V (O s c illa t o r_ I N P U T)> (V (C A L _ O U TP U T)+0 . 0 1 ), 5 , 0 )E V A L U E

IN+IN-

OUT+OUT-

E 3

if (V (O s c illa t o r_ O U TP U T)>4 , {L V }, {H V })E V A L U E

0

R 3

1 0 0 M E G

C A L _ O U TP U T

R 4

1 0

C 21 0 p

I C = 0

1 O s c illa t o r_ O U TP U T

R 51 0 0 M E G

0 0 0

PARAMETERS:H V = 2 . 5

L V = 1 . 2 5

I O U T = 5 m

Oscillator

V

V

Simulation

Input

Output