HP ESA-L1500A, Руководство пользователя и калибровки

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266 Chapter 9
Performance Verification Tests
16. Other Input Related Spurious Responses
20.On the analyzer, press
Preset
, then wait for the preset routine to
finish. Set the analyzer by pressing the following keys:
Frequency
,
500 MHz
Span
,
10 MHz
Amplitude
,
Attenuation Auto Man
,
10 dB
Peak Search
Frequency
,
Signal Track On Off
(On)
Span
,
200 kHz
Wait for the
Span 200 kHz
message to disappear. Press the
following analyzer keys:
Search
,
Mkr
→
Ref Lvl
Frequency
,
Signal Track On Off
(Off)
Peak Search, Marker
,
Marker
∆
Single Sweep
21.For the first two frequencies listed in Table 9-18 , do the following:
a. Set the synthesized sweeper to the listed CW frequency by
pressing
RECALL
,
1
for a CW frequency of 542.8 MHz or
RECALL
,
2
for a CW frequency of 510.7 MHz.
b. Press
Single Sweep
and wait for the completion of a new sweep.
c. On the analyzer, press
Peak Search
and record the marker delta
amplitude reading in the performance verification test record as
indicated in
Table 9-18 .
Table 9-18 Spurious Responses
22.On the synthesized sweeper, press
RECALL 4
23.On the analyzer press the following keys:
Sweep, Sweep Cont Single
(Cont)
Frequency, 100 MHz
Amplitude,
−
5 dBm (50
Ω
Input only)
Amplitude, + 48.76 dBmV (75
Ω
Input only)
Synthesized Sweeper CW
Frequency
TR Entry (Mkr
∆
)
542.8 MHz
1
510.7 MHz
2
1310.7 MHz
3