Agilent Technologies HP 8566B Especificações Página 84

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14. Average Noise Level Test
8.
9.
10.
11.
Figure 2-26. Average Noise Level Measurement
Read the noise level from the MARKER amplitude readout.
value should be less than -95
dBm.
dBm
Key in the following settings:
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The
51
kHz
.
OHz
20 ms
Wait several seconds for the trace to stabilize (VID AVG
>20).
Read the amplitude from the MARKER readout. The value should
be less than -112
dBm.
Set (CENTER FREQUENCY) according to
Table
2-18. At each setting
allow several seconds for the trace to stabilize before reading the
amplitude from the MARKER readout. The maximum allowable
level for each frequency is given in the table.
Performance Tests 2-59
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