ESI VideoBridge 2150, Service Manual

Page: 125 / 332

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TIME
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TIME
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FAST
(SIO kHz)
TAILOFF
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D e t e c tor a nd Genera tor Reversa l Mea sureme n t Sequences
Se t t l i ng T i me
i s t he t i me requ i re d f o r t he a na l og v o l t a g e r e p re s e n t i n g
t h e u n k n own t o s e t t l e t o t h e de s i red a c c u ra cy . S e t t l i ng t i me s be tw e e n
2 m s a n d 1 5 0 0 m s c a n be prog ramme d i n I ms s t eps . S e t t l i n g t i me va l u e s
a re d e pe n de n t on t he t y p e o f c ompon e n t be i n g t e s t e d a nd / o r req u i re­
me n t s o f e x te rna l l y c o n ne c te d equ i pme n t . Typ i c a l l y , s ma l l e r i mpe d a n c e s
req u i re l o n g e r se t t l i n g t i me s .
I n te g ra t i on T i me
i s t h e combi n e d p e r i ods o f te s t f re q u e n c y c y c l e s
dur i n g w h i c h t he A /D c on ve r te r i s ma k i ng t he mea su r e men t . I n te g ra t i on
t i me i s o n e o f t h ree mea s u remen t t i me e l emen t s t h a t c a n be p r o g rammed
( S e t t l i n g T i me and N u mber of A v e r a g e s a re the o t h e r s ) . V a l u e s f o r
I n t e g ra t i on T i me m a y be p r o g ra mmed w i t h i n t h e f o l l ow i ng ra n g e :
2 m s < I . T . < 6 0 0 m s
See Se c t i on 2 . 8 . 2 f o r more i n f orma t i on on d e t e rm i n i ng i n t e g r a t i on t i me .
e l s l i
2 - 8 7
2 1 5 0 / 2 1 6 0 9 / 8 5