TB 9-6625-2088-24
perform b (5) below.
b. Adjustments
(1) Adjust R12 (fig. 2) for minimum shift.
(2) Adjust R13 (fig. 2) for greater than 5 ms.
(3) Adjust R16 (fig. 2) for best symmetry 0.5 percent. (R)
(4) Repeat a (6) and (7) above due to interaction.
(5) Adjust R35 (fig. 2) for best symmetry 0.5 percent. (R)
10. Risetime
a. Performance Check
(1) Adjust ATTENUATION VERNIER control fully ccw and set FREQ/PERIOD
MULTI (Hz/s) switch to 1 M.
(2) Connect oscilloscope to FUNCTION OUT, using X10 attenuator.
(3) Adjust ATTENUATION VERNIER control fully cw.
Figure 2. Test instrument - bottom view.
(4) Measure risetime and falltime. Risetime and falltime will be less than 20 ns.
b. Adjustments. No adjustments can be made.
