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Descripti O N - HP 5363B Operating And Service Manual

Time interval probes
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1-13.

DESCRIPTI O N

1 - 1 4 .
T h e 5363 B p r o v i d e s t w o h i g h i m p e d a n c e , l o w c a p a c i t a n c e t i m e d o ma i n p r o b e s f o r t h e
d i g i ta l m e a s u re m e n t of r i s e t i m e s a n d p r o p a g at i o n d e l a y s w i t h a c c u ra c i e s c a l i b rated to < 1 n s .
T h e se p r o b e s , u s e d d i re c t l y w i t h a n e l ec t ro n i c c o u n te r's sta rt a n d st o p c h a n n e l s , p r o v i d e a
d ig i ta l m e a s u re m e n t .
1 - 1 5 .
E a c h p r o b e c o n ta i n s t w o h i g h -i n p u t i m pe d a n c e to l ow-o u t p u t i m pe d a n c e c o n v e rt e r s .
T h i s a l l ows t h e s i g n a l to b e m ea s u red w i t h o u t l oa d i n g i t d ow n . Beca u s e e a c h p r o b e c o n ta i n s
two c o n ve rt e r s , ea c h p r o b e c o n ta i n s a p o te n t i a l sta rt a n d s t o p c h a n n e l . T h e re f o re o n e p r o b e
c a n p r o v i d e b o t h a sta rt a n d s t o p s i g n a l t o a c o u n t e r , o r o n e p r o b e c a n p r ov i d e a sta rt s i g na l
a n d t h e o t h e r c a n p r o v i d e a s t o p s i g n a l f o r a r i s e t i m e o r t i m e d e l a y m e a s u r e m e n t , r e s p ec t i ve l y .
1 -1 6 .
T h e p robes have a n i n put i m pedance of 1 Meg o h m a n d a n i n put c a pacitance o f < 1 .5 p F . F o r
u s e w i t h e i t h e r Hewlett-Packard or Tektro n i x"') R F h a rd wa re , the ti p o f the p robe u n sc rews to a l l o w
t h e t i p t o be c ha nged t o mate w i t h the specific m a n ufac t u re r's e q u i pment, see
"Registered Trademark
Avoid static discharge to the probe tips and shields. Damage to probes
may result.
Use the following precautions:
Ground yourself before touching probe by touching metal on 53638
cabinet while instrument is plugged into grounded socket. AVOID
touching probe tip. Handle by the plastic body of probe.
Figure 1-2. C h a ngeable Probe Tips a n d Probe Cautions
M od e l 5 3 6 3 B
G e n e ra l I nf o r m a t i o n
Figure
1 -2 .
1 -3

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