TB 9-6625-2332-40
(f) Per and enter 1 from data keyboard and press /MHz.
(g) Duty and enter 50 from data keyboard and press ENTER/Hz.
(h) Press DISABLE pushbutton (9215 output module) to on (red light extinguished).
(17) Setup digitizing oscilloscope to measure risetime.
(18) Verify that the digitizing oscilloscope indicates within the limits listed in table
11 for the Lead setting.
(19) Setup digitizing oscilloscope to measure falltime.
(20) Verify that the digitizing oscilloscope indicates within the limits listed in table
11 for the Trail setting.
(21) Set TI to the next Lead, Trail, and Per (if listed) settings listed in table 11.
(22) Repeat (17) through (20) above.
(23) Repeat (21) through (22) above for the remaining Lead, Trail, and Per settings
listed in table 11.
Table 11. 9215 Risetime and Falltime
Test instrument
Digitizing oscilloscope
settings
indications (sec)
Risetime
Falltime
Per setting
Lead setting Trail setting
Min
Max
Min
Max
sec
6.5 nsec
6.5 nsec
4.9
nsec
8.1
nsec
4.9
nsec
8.1 nsec
1
10
nsec
10
nsec
7.7
nsec
12.3
nsec
7.7
nsec
12.3 nsec
20
nsec
20
nsec
15.7
nsec
24.3
nsec
15.7
nsec
24.3 nsec
100
nsec
100
nsec
79.7
nsec
120.3
nsec
79.7
nsec
120.3 nsec
sec
sec
sec
0.799 sec
sec
sec
sec
100
1
1
1.2
0.799
1.2
sec
sec
sec
sec
sec
sec
10
10
8
12
8
12
sec
sec
sec
sec
sec
sec
10 msec
100
100
80
120
80
120
1
msec
1 msec
0.8 msec
1.2 msec
0.8
msec
1.2 msec
200 msec
10
msec
10 msec
8
msec
12
msec
8
msec
12
msec
500 msec
100
msec
100 msec
76
msec
114
msec
76
msec
114
msec
(24) Press DISABLE pushbutton (model 9215 output module) to off (red light lit).
(25) Disconnect cable from TI 9215 module OUTPUT.
b. Adjustments. No adjustments can be made.
11. Pulse Width
a. Performance Check
(1) Connect equipment as shown in figure 3.
(2) Reset digitizing oscilloscope and cal the gain.
(3) Press TI pushbuttons as listed in (a) through (h) below:
(a) CHANNEL A.
(b) Vhigh and enter 2.5 from data keyboard and press ENTER/Hz.
(c) Vlow and enter 0 from the data keyboard and press ENTER/Hz.