TB 9-6625-2329-35
(e)
Vlow and 0 ENTER/Hz.
(f)
Delay and enter 0 n/GHz.
(g)
2 Pulse and OFF ENTER/Hz.
(h)
DISABLE red light (on) on the 9211 output module.
(3) Press TI pushbuttons as listed in (a) through (c) below:
(a) SHIFT-INSTR PRESET.
(b) PARAMETERRF, enter DATA 150 numerical value, and press
ENTER/UNITS MHz key.
(c) PARAMETERLEVEL, enter DATA 10 numerical value, and press
ENTER/UNITS dBm key.
(4) Press DISABLE red light to off on pulse generator 9211 output module.
(5) Press spectrum analyzer pushbuttons as listed in (a) through (d) below:
(a)
Preset.
AMPLITUDE, Ref Level, 1, 0, dBm.
(b)
(c)
(d)
SPAN, 1, MHz.
(6) Press SHIFT, PARAMETER-SPECIAL pushbutton, enter DATA 19
numerical value, and press ENTER/UNITS mV key.
(7) Press spectrum analyzer pushbuttons and adjust controls as listed in (a) through
(j) below:
(a)
BW/Avg, Res BW, 1, 0, 0, kHz.
(b)
Video BW, 1, 0, 0, kHz.
(c)
MARKER.
(d)
SPAN, 0, Hz.
(e)
SWEEP, Sweep Time, 5, 0, mS.
Trig, Video, 1, 0, -dBm.
(f)
MARKER.
(g)
(h)
Adjust rotary control to place Mkr1 at top of square wave.
(i)
MARKER, Delta.
(j)
Adjust rotary control to place Mkr∆ at bottom of square wave.
(8) Using spectrum analyzer, measure top to bottom of square wave in dB. Pulse
envelope on/off ratio will indicate within limits specified in table 28.
Spectrum analyzer
(>dB)
70
(9) Press SHIFT, PARAMETERSPECIAL pushbuttons, enter DATA 20
numerical value, and press ENTER/UNITS mV key.
(10) Press PARAMETERRF pushbutton, enter DATA 300 numerical value, and
press ENTER/UNITS MHz key.
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