L o ok i ng care f u l l y a t t h e c oa r se a n d f i ne re f e re n c e l e ve l s , y o u f i n d
t h a t t h e c oa rse a n d f i ne d i f f e r by a f a c t o r of 1 2 8 , n o t by 1 , 0 2 4 . The
c l o c k s a s s o c i a t e d w i t h the c o a r s e coun t e r and t h e f i ne c ou n t e r a re not
the same , o n e c l o c k i s 1 2 0 kH z , t ha t is the c o a r s e c o u n t c l oc k , and t he
f i n e c l o c k i s 8 t i m e s t h a t o r 9 6 0 k H z .
A s a r e s u l t t h e r e i s a
f a c t o r - o f - 8 d i f f e re n c e , a n d 8 t i mes 1 2 8 equa l s 1 , 0 2 4 .
T h e t o t a l o f a l l c oa r s e a n d f i ne cou n t s c on s t i t u t e s a mea su re d v a l ue .
A c c umu l a t e d c o u n t s f o r e a c h o f t he f o u r mea su r e d v a l u e s
V
9 0 ° , V
0 ° , V
9 0 ° ) a re s e n t
unknown
s ta n d a r d
s ta n d a rd
c ompu t e r .
3 . 3 . 2
Ana log C i rcu i t Card
( piN 53675 )
3 . 3 . 2 . 1
t o t h e U n k n ow n
U22
R47
R48
C55
C54
C53
C52
C5 1
C50
C61
U20
S ELECTOR SWI TCH
1 2
BIT DAC
U 1 9
AD7548
POWE R AMP
STANDARD BUS
To
Iso lati on
T ransfarmer
( V
0 0
u n k n ow n
'
t o t h e m i c r o-
F i gure
3-5 .
L evel Se t , F i l te r , a nd P ower Ampl i f i e r B l ock D i agram
e l s l i
3 - 1 1
2 1 5 0 /2 1 6 0 5 / 8 5
Содержание VideoBridge 2150
Страница 24: ...BLANK 1 6 e l s l i 2 1 50 2 1 60 5 8 5...
Страница 222: ...5 3 1 Mo the rboa rd Ca ble Assembly piN 4 9 3 0 2 METRI C A l l D ims in mm 1 14 3 1 _ 215 4 E F TO MOTHE OA Rt 5 4 56...
Страница 230: ...R54 R 1 9 R23 6 TP8 o O NC N N N N a a a a a F i gure 5 5...
Страница 252: ...A t S E C T I ON A A 4 5 0 0 m m 5 rY1 m A...
Страница 307: ...Figure 8 1 General Handler Interface Circuit Assembly P N 47895 B 2 e s i 2150 2160 5 85...
Страница 318: ...DIOII DI Z G O O L 2 _ j_ _ D I04 4 _ _ _ DI05 __ t _ _ DI06t2 DI01 __ _ r _ OI08 r U4 n l r L t TM 9914 Fig...
Страница 330: ...F i gure 8...