ESI VideoBridge 2150, Service Manual

Page: 76 / 332

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F i g u r e 2 - 9
i l l u s t ra t e s t h e
i n i t i a l m e a s u r eme n t
d i spl ay w i t h a
capa c i t o r c o n ne c t e d . M e a s u reme n t f un c t i ons c a n be c ha n g e d by pu s h i n g
t he de s i r e d f u n c t i o n b u t ton , w h i c h t a k e s t h e b r i d g e ou t o f A u t o L R C .
For be s t re s u l t s , pe r f orm f i x t u r e ca l i b ra t i on .
F A R A D S
C O N T
A U T O - L R C
S E T L = 0 0 5 0 " S I N T G R = 0 5 0 M S A Y E = O I
A U T O C A L I B B I A S O F F
99 . 213 n
F
CAPAC ITA N C E
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0
1 592
,
D I S S I PA TI ON f A C T O R
C O N T I N U O U S
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F i gure 2 - 9 .
Mea sureme n t D i splay
E x ampl e : D i s p l a y D mea s u r eme n t i n pa r t s p e r m i l l i o n ( ppm ) .
Push D i splay
Comm e n t s
CODE
c:J � Q
H Z = 1 0 0 0 . 0 1t 0 11 =
1 0 0 0 N Y C D N T D I R E C T
Di s s i pa t i on i s
c h a ng e d f rom a
de c i ma l re p r e s e n ­
ta t i o n to pa r t s
pe r m i l l i o n .
( Re t u r n t o d e c i ma l
f o rma t b y e n t e r i ng
-4 C O D E . )
4
N O T E :
T h e y
A l s o ,
mode .
S E T L = 0 0 5 0 I'l S I N T G R = 0 5 0 " S A Y E = O I
A U T D C A L I B B I A S O F F
99 . 258 n F cs
1 3E.c .
P P I1 - D
D i s s i pa t i on va l ue s may c o n t a i n ha l f- s i z e d z e r oe s .
a p p e a r t o t h e r i g h t o f t h e l a s t s i g n i f i c a n t d i g i t .
e n t e r i n g 4 C O D E t a k e s t he V i d e o B r i dge o u t o f Au t o L R C
e l s l i
2
-
3 7
2 1 5 0 / 2 1 6 0 5 /8 5