TB 9-6625-2069-24
Table 8. Width Accuracy
Test instrument
Frequency counter indications
PERIOD
WIDTH
data
data
Min
Max
200 ns
50 ns
48.5 ns
51.5 ns
200 ns
80 ns
78.2 ns
81.8 ns
1.00 ms
500 ns
494 ns
506 ns
1.00 s
989 s
1011 s
1.00 ms
50.00 s
49.5 s
50.5 s
1.00 ms
999 ms
500 ms
495 ms
505 ms
999 ms
900 ms
891 ms
909 ms
(6) Repeat (1) through (5) above for OUTPUT B (option 020 only).
(7) Disconnect equipment setup.
b. Adjustments. No adjustments can be made.
11. Transition Time
a. Performance Check
(1) Connect OUTPUT A to oscilloscope channel 1.
(2) Press pushbuttons and enter data as listed in (a) through (d) below (both
channels for option 020).
PERIOD to 200 ns.
(a)
WIDTH to 50 ns.
(b)
LEE to 6 ns.
(c)
TRE to 6 ns.
(d)
(3) Measure rise and falltime, using standard measurement technique. Rise and
falltime, as indicated on oscilloscope, will be between 4.82 and 7.18 ns.
(4) Repeat technique of (3) above, using TI data settings listed in table 9.
Oscilloscope will indicate within limits specified.
Table 9. Transition Time
Test instrument
Oscilloscope
PERIOD
WIDTH
LEE
TRE
indications
data
data
data
data
Min
Max
200
ns
50
ns
20 ns
20 ns
18.4
ns
21.6
ns
200
ns
50
ns
30 ns
30 ns
28.1
ns
31.9
ns
s
10
500
ns
200 ns
200 ns
193
ns
207
ns
s
s
s
s
1
ms
500
1
1
969
ns
1.03
s
s
s
s
s
1
ms
500
100
100
97
103
10
ms
5
ms
1 ms
1 ms
0.970
ms
1.03
ms
100
ms
50
ms
9.9 ms
9.9 ms
9.60
ms
10.2
ms
(5) Repeat (1) through (4) above for OUTPUT B (option 020).
b. Adjustments. No adjustments can be made.
