TB 9-6625-1176-24
PULSE POSITION .1 -1 pushbutton pressed.
(b)
DUTY CYCLE % pushbutton released (out).
(c)
WIDTH 25n-.1 pushbutton pressed.
(d)
WIDTH VERNIER dial to 10.
(e)
AMPLITUDE 30-100 pushbutton pressed.
(f)
AMPLITUDE VERNIER dial to 3 (30V).
(g)
(2) Connect equipment as shown in figure 3.
NOTE
If an out-of-tolerance condition is noted in (3) or (4) below,
perform b (1) through (7) below.
(3) Oscilloscope will display a pulse with an amplitude between 27 and 33 V. Press
INT LOAD pushbutton. Pulse amplitude will be between 13.5 and 16.5 V.
(4) Repeat technique of (3) above for settings listed in table 8. Oscilloscope will
indicate within specified limits.
(5) Press AMPLITUDE 10-30 pushbutton and set AMPLITUDE VERNIER dial
to 1 (10V).
(6) Using standard measurement technique, measure the rise time and decay time
of the OUTPUT pulse. If the rise time and decay time are not less than 15 ns, perform b
(8) through (21) below.
(7) Set POLARITY switch to NEG and repeat (6) above.
(8) Measure preshoot, overshoot, and ringing of positive and negative OUTPUT
pulse. If measurement is not lest than 5 percent as shown in figure 4, perform b (8)
through (21) below.
b. Adjustments
(1) Position controls as listed in (a) through (j) below:
PERIOD l0m-.1 pushbutton pressed.
(a)
PERIOD VERNIER dial to 10.
(b)
PULSE POSITION l0n-.1 pushbutton pressed.
(c)
PULSE POSITION VERNIER dial to 1.
(d)
DUTY CYCLE % pushbutton pressed.
(e)
DUTY CYCLE 1-10 pushbutton pressed.
(f)
WIDTH VERNIER dial to 5.
(g)
AMPLITUDE 30-100 pushbutton pressed.
(h)
AMPLITUDE VERNIER dial to 3 (30V).
(i)
INT LOAD pushbutton released (out).
(j)
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