Hitachi MP-1802 Technical Manual page 66

( w o t e )
P u l s e
w i d t h t n w i s a s s h o w n b e l o w
I n p u t 2 5 0 K H z s q u a r e w a v e
F i g . 8 . 3 C i r c u i t D i a g r a m
s i g n a l
( f f i ,
l e v e l )
r e a d a n d T P G 2 .
b e t w e e n t h e R 1 2 5 @ s i g t
R t 3 7 R t 3 6
. . . / 6 3
( n o n o t c o n n e c t D C f a n ,
M D D ' D r i v e
0 , 1 )