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C A L I B Ra T I O N Proced U Res; Tri G G E R Leve L C A Libra Tion; Time! Ze Ro Ca Lib Ration Proced U Re - HP 5363B Operating And Service Manual

Time interval probes
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M o d e l 5363 B
O p e rat i o n
3-10.
CAL I B R AT I O N P R O C E D U R E S
HP M o d e l 5363 B ac g ro u n d m u st b e at the sa m e pote n t i a l as
i n s t r u m e n t u n d e r test. I n acc u rac i e s in t r i g g e r l eve l ca l i b rat i o n a n d
test m ea s u r e m e n ts wi l l o c c u r i f t h i s preca u t i o n i s n ot o b se rved .

Tri g g e r Leve l C a libra tion

3-1 1 .
Tri g g e r level ca l i b rat i o n i s n e c e ssa ry w h e n a t r i g g e r l eve l e rr o r of
l e ss t h a n 1 50 m V i s req u i red . IT S H O U L D BE P E R F O R M E D WH E N
T H E S L O P ES O R P R O B E S A R E C H A N G E D .
T h e se q u e n ce of c a l i b rat i o n p roced u re i s i m p o r ta n t .
a
S e l e c t d e s i red p r o b e a n d s l o pe c o n f i g u rat i o n .
b
n se rt p ro b e o r p r o b e s to be cal i b rated i n to C A L I B R AT I O N j a c k s o r c o n n ec t to g ro u n d
I
thro u g h :�50 o h m s
c
P re ss T I M E Z E RO/ L E V E L s w i t c h d o w n u n t i l a l l red a n d g re e n t ri g g e r i n d i cators a re
l i g h te d .
d
R e l ease T I M E Z E R O/ L EV E L s w i tc h .
C h e c k that p r o b e c ha n n e l s e l ec t i o n i n d i cators of s e l ected p r o b e s a re l i g h ted .
e
t h e i n d i cat i o n that t h e Tri g g e r Leve l Cal i b rati o n i s c o m p l eted . '
I f al l f o u r p r o b e s e l e c t i n d i cators a re f lash i n g , t h e cal i b rat i o n h a s
N OT b e e n acco m p l i s h ed .
3 - 1 2 .
S o u rces of cal i b rati o n e rrors a re :
a
P ro b e s n ot i n se rted i n C A L I B R AT I O N jac k s , o r o t h e rw i se g ro u n d ed
b
T I M E Z E R O/ L E V E L s w i t c h n ot d e p ressed l o n g e n o u g h .
c
Circ u i t m a lf u n c ti o n .
I t e m s a a n d b c a n b e c o r rec ted a n d , w h e n t h e T I M E Z E RO/ L EV E L s w i t c h i s p ressed
a g a in , a p r o p e r c a l i b rat i o n w i l l o c c u r . F o r item c, ref e r to Sect i o n V I I I .

TimE! Ze ro Ca lib ration Proced u re

3-1 3.
a .
Co n n ect t h e 5363 B STA R T/ S TO P o u t p u t s to t h e 5 3 7 0 A STA R T a n d S T O P c ha n n e l s .
R efe r t o
The two cab l e s u s ed to c o n n ec t the 5363 B STA R T/STOP o u t p u ts to
t h e 5 3 7 0 A m u st b e of e q ual l e n g t h .
3-4
Figure 3 -3.
N OTE
N OTE
1
N OTE 2
N OT E
N OTE
T h i s i s
I

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