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Performance Tests
3. Multiple Response Rejection Test
11.Set the spectrum analyzer to the appropriate millimeter band by using the following
key sequence:
SHIFT ⇑ ⇑
for an 11974A:
SHIFT ⇑ ⇑ ⇑
for an 11974Q:
SHIFT ⇑ ⇑ ⇑ ⇑
for an 11974U:
SHIFT ⇑ ⇑ ⇑ ⇑ ⇑
for an 11974V:
12.Set the spectrum analyzer controls as follows:
,
,
,
, and
SHIFT
5
MHz
0
FREQUENCY SPAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 kHz
ENTER dB/DIV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 dB
13.Set the spectrum analyzer reference level by pressing
the corresponding value for the band listed below:
for an 11974A: − 40 dBm
for an 11974Q: − 40 dBm
for an 11974U: − 40 dBm
for an 11974V: − 55 dBm
14.Set the spectrum analyzer center frequency by pressing
entering the corresponding value for the band listed below:
for an 11974A: 26.5 GHz
for an 11974Q: 33 GHz
for an 11974U: 40 GHz
for an 11974V: 50 GHz
15.On the spectrum analyzer, press the following keys:
MARKER
NORMAL
PEAK SEARCH
PRESEL PEAK
16.When the preselector-peak routine is complete, press
17.Record the marker frequency in
18.On the spectrum analyzer, press MARKER
120
(sets external mixer conversion loss to 0 dB)
dB
Table 4-9
on page 144 as Signal Frequency #1.
∆
.
and entering
REFERENCE LEVEL
CENTER FREQUENCY
.
PEAK SEARCH
and
Chapter 4
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