HP 5363B, Руководство по эксплуатации и обслуживанию

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M o d e l 5363B
Pe rfo r m a n c e Tests
5363 B Delay C o m pensat i o n Range Test Setup.
4-1 6
a . C on nect either the START or STOP o u tputs o f the 5363B to the i n pu t o f t h e 5 0 o h m power s p l i tter
1 1 1 667A , .
NOTE
Use a s hort 50 o h m B N C-to-BNC coaxial cable for the a bove connecti o n .
b . Con nect t h e two o u p uts o f t h e 1 1 667A power spl itter t o t h e 5370A C ounter START a n d STO P
c h a n nels.
NOTE
The two cables use to con nect from the power s p l itter to the 5370A Cou nter
START and STOP c ha n ne l s m ust be of e q u a l length .
c . I n se rt t h e 5363B p ro bes, A and B , i n to thei r ad
j
acent c a l i b ration
j
acks.
d . Set the 5363B A c h a n ne l t h u m bwheel switches to read A; 0 .00 ;
..:F .
e . S e t the 5363 B B chan nel t h u m bwheel s witches to read B; 0 . 00
.
..:F .
NOTE
S lope sections of START a n d STOP th u mb wh eel switches m ust be a l i ke ; i .e . , both
set at
..f
before test i s started .
f.
Set the 5370A Cou nter co ntrols as f o ll ows:
F U N C T I O N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T I
STATiSTi CS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M EAN
SA M P L E S I Z E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 00
D I S P LAY RAT E . . . . . . . . . . . . . . . . . . . . . . . . 1 2 O'clock position
AR M I N G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±TI
I N PUTS START/STO P:
L EV E L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " P R E S ET
I N PUT I M P ED A N C E . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 o h m
-;- 1 /-;- 1 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -;- 1
AC/DC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D C
START C O M/ S E P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S E P
S L O P E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..f
g .
Lift and hold TI M E Z E R O/LEVEL switc h .
h . The 5370A cou n te r d isplay n o w s hows a d i fferential c h a n ne l delay
I
typical l y ±60 p s I introd uced b y
the i n pu t c h a n n el s o f t h e cou nter.
i. P ress 5370A S ET R E F k e y t o take out the ±60 ps de lay.
j .
Rem ove the 50 o h m power s p l i tter 1 1 1 667 A : and the cable that con nects i t to the 5363B.
k . Connect the two B N C-to- B N C cables of the 5370A START a n d S T O P c h a n nels d i rect l y to the 5363 B
START a n d STOP outputs, respect i vely.
I . Tu rn the 5363 B T I M E/ZERO P U L L TO A D D 1 0 .0 ns k nob f u l l y C C W and CW; the 5370A d isplay s h o u l d
s h ow a range of a pproxi mately - 1 t o + 1 ns.
m. Pull out the T I M E/ZERO P U LL TO ADD 1 0 .0 n s k n o b .
n . Turn t h e T I M E/ZERO P U L L TO A D D 1 0 .0 n s knob f u l l y C C W a n d C W ; t h e 5370A d isplay s h o u l d s h ow
a rang e of approximately 9 to 1 1 n s .
o . Comp letion o f t h i s test c o n c l u d es t h e Pe rforma n ce Test.
START
5363 8
1 1 66 7 A
so u
POW ER
S P L I TT E R
5370A
START STOP
Figure 4-4. Performance Test for 53638 Delay Compensation Range