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Testing Performance
To testthe threshold accuracy (logic analyzer)
Test the TTI.. threshold
1 Press the Fonnat key. Select the field to the right of Pod AI, then select TIL in the
pop-up menu.
2 On the function generator front panel, enter 1.750 V ±I mV DC offset. Use the
multimeter to verify the voltage.
The
activity
indicators for pod
I
should show
all data
channels and the J-clock channel at a
logic high.
~(rorm~t
I1ACHIUE I
)
l'3+H'
~
TImIng ACQUISltlon
MOd~
(.,umbOIS]
Conv~nllondl
Full Chnnnel
250
NH~
~
Clocl Inputs
l ~ ~ ~ ~
Co",
8
LI
---'.C-'.
I I ..
. II
I
Lnb2
3 Using the Modify down arrow on the function generator, decrease offset voltage in
I-mV increments until all activity indicators for pod I show the channels at a logic
low. Record the function generator voltage in the perfonnance test record.
~(Form"!
I1!\CHltlE I
)
.
TImIng AcqUISItion Made
J
CQnVentlon~1
Full ChQnnel
150
I1H~
-~
Is'~'""
I
Cloc~
Inputs
l ~ ~ ~
~
i::j
IS-~~~-87-~::---ii
15-----87------0
~ ~LI
'-'·II·
.... 11····..•..•..•·.. 1
~
LOb4
~
~
~
~
3-11
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