TB 9-6625-2250-24
(26) Connect equipment as shown in figure 3.
Figure 3. Input attenuator accuracy (18 GHz) - equipment setup.
(27) Press TI keys and enter values using DATA keys as listed in (a) through (d) below:
FREQUENCY then [CENTER FREQ] to 18 GHz.
(a)
AMPLITUDE then [REF LVL] to -10 dBm.
(b)
AMPLITUDE then [ATTEN] to 10 dB.
(c)
MARKER OFF.
(d)
NOTE
If 18 GHz signal marker does not appear in (29) and (30) below,
repeat paragraph 8 a (1) and (2) above and perform adjustment
in 8 b (1) above.
(29) Press TI keys as listed in (a) through (c) below:
(a) MARKER PEAK SEARCH.
(b) INSTRUMENT STATE MIXER INT.
(c) [PRESEL AUTO PK] wait for PEAKING message to disappear.
(30) Adjust synthesized signal generator level output for a TI MKR indication
between -12.95 and -13.05 dBm.
(31) Press TI keys and enter values using DATA keys as listed in (a) through (c) below:
(a) MARKER ON.
(b) [MARKER DELTA].
(c) AMPLITUDE then [ATTEN] to 20 dB.
MKR indication for TI [ATTEN] 20 dB
(32) Wait for completion of sweep. Record
setting in table 6.
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