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MN 6 6 2 7 8 5 T B U C
( B ) S e t t i n g o f t h e o p t i c a l s e r v o c h a r a c t e r i s t i c s i n c l u d i n g t h e c h a r a c t e r i s t i c s f o r a n t i - v i b r a t i o n
・G a i n c o n s t a n t
F o c u s g a i n m a n t i s s a p a r t
F o c u s g a i n e x p o n e n t p a r t
・P h a s e c o m p e n s a t i o n a n d l o w - b a n d c o m p e n s a t i o n c o n s t a n t
F o c u s p h a s e c o m p e n s a t i o n c o n s t a n t
F o c u s l o w - b a n d c o m p e n s a t i o n c o n s t a n t F R
T h e a b o v e f o u r c o n s t a n t s c a n b e s e t b y w r i t i n g 8 - b i t d a t a ( 0 t o 1 2 7 ) d i r e c t l y w i t h t h e m i c r o c o m p u t e r
c o m m a n d .
C o n f i g u r a t i o n
Ｘ
・f s o f t h e f o c u s s y s t e m : 8 8 . 2 k H z
・f s o f t h e t r a c k i n g s y s t e m : 8 8 . 2 k H z
・f s o f t h e f i l t e r f o r l o w - b a n d c o m p e n s a t i o n : 4 4 . 1 k H z
G ( Z ) ＝G
T G
G =
8 - T E X P
2
T R
R=
2
K = 1
−N
N i n Z
c a n b e r e p l a c e d w i t h :
2 o r 1 ( b y s e t t i n g b i t 1 o f S E T 0 ) i n c a s e o f t h e f o c u s s y s t e m .
1 i n c a s e o f t h e t r a c k i n g s y s t e m .
K
−
+
＋
- N
Z
1
｛
R
・ ＋ ( 1−C・Z
−1
1−Z
F G
o r
8-FEXP
2
F R
o r
1 5
15
2
F G
T r a c k i n g g a i n m a n t i s s a p a r t
F E X P
T r a c k i n g g a i n e x p o n e n t p a r t
F C
T r a c k i n g p h a s e c o m p e n s a t i o n c o n s t a n t
T r a c k i n g l o w - b a n d c o m p e n s a t i o n c o n s t a n t T R
- 1
Z
R
＋
+
−
C
｝
−N
)
T C
FC
or
C=
128
1 2 8
S D D 0 0 0 2 6 A E M
G
＋
+
＋
T G
T E X P
T C
Ｙ
24
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