TB 9-6625-2340-35
(72) Press TI keys as listed in (a) and (b) below:
(a)
SHIFT.
MARKER MKR/∆→STP SIZE.
(b)
(73) Repeat the technique used in (63) through (72) above using remaining TI and signal
generator No. 3 settings in table 42. The marker ∆ amplitudes indicated on TI display will
Signal generator
Test
No. 3
instrument
Initial center
Measure center
Displayed
Frequency
amplitude limit
(GHz)
(GHz)
(GHz)
(dBm)
5.7
5.7
2.3679
<-70
6.0
6.0
1.1893
<-50
12.0
12.0
8.107133
<-70
12.0
12.0
8.535667
<-70
(74) Press TI keys as listed in (a) through (f) below:
(a)
SWEEP CONT.
(b)
MARKER NORMAL.
(c)
MARKER OFF.
(d)
FREQUENCY SPAN, 100, kHz.
(e)
CENTER FREQUENCY, 13, GHz.
(f)
REFERENCE LEVEL, 0, dBm.
(76) Press TI MARKER PRESEL PEAK key and wait for (PEAKING!) on TI to
disappear.
(77) Press TI keys as listed in (a) through (d) below:
(a)
MARKER MKR CF.
(b)
MARKER NORMAL.
(c)
MARKER OFF.
(d)
FREQUENCY SPAN, 5, kHz.
(78) Adjust signal generator No. 3 output level to place the peak of the signal trace at
the top TI graticule line.
(79) Press TI keys as listed in (a) through (g) below:
(a)
MARKER NORMAL.
(b)
MARKER PEAK SEARCH.
MARKER ∆.
(c)
(d)
SWEEP CONT.
(e)
CENTER FREQUENCY, 1.0679, GHz.
(f)
SHIFT, SWEEP CONT.
(g)
SWEEP SINGLE.
76 CHANGE 3