TB 9-6625-2340-24
(4) Press TI keys as listed in (a) through (d) below:
MARKER NORMAL.
(a)
MARKER PEAK SEARCH.
(b)
MARKER CF.
(c)
MARKER .
(d)
(5) Using TI DATA knob adjust marker down the positive going side of the
displayed signal to the 3 dB point.
(6) Adjust A4A9R60 (fig. 8) for a MKR indication of 1.5 MHz while maintaining
marker at the 3 dB point using TI DATA knob (R).
Figure 8. A4A9 board.
(7) Press TI MARKER key.
(8) Adjust TI DATA knob to set marker to the 3dB point on the negative going
side of the displayed signal. There are now two markers; one on each side of the signal at
the 3 dB points.
indication should be 3.00 0.60 MHz.
(9) TI MKR
(10) Press TI keys as listed in (a) through (i) below:
MARKER OFF.
(a)
CENTER FREQUENCY,100, MHz.
(b)
FREQUENCY SPAN, 2, MHz.
(c)
RES BW, 1, MHz.
(d)
REFERENCE LEVEL, 10, dBm.
(e)
SCALE LIN.
(f)
SHIFT.
(g)
AUTOA.
(h)
REFERENCE LEVEL.
(i)
(11) Adjust DATA knob to position trace at (or just below) reference level (top)
graticule line.
(12) Press TI keys as listed in (a) through (d) below:
MARKER NORMAL.
(a)
MARKER PEAK SEARCH.
(b)
MARKER CF.
(c)
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