Ceyear 4051 Series, User Manual

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8. Specifications and test methods
8.5 Performance characteristics test
680
21) Repeat step 3 ~ 4.
22) Read the mark amplitude. If this value is less than or equal to the indicator value of 4051, record it as the
displayed average noise level within the range from 5GHz to 9 GHz into the corresponding test item of
―4051 Record Table‖; otherwise, the value is unacceptable.
Average noise display (18GHz to 26.5GHz)
23) Reset 4051 and set as follows:
Reference level -30 dBm
Start frequency: 18GHz
Stop Frequency: 26.5GHz
Marker All Markers Off
24) Repeat step 3 ~ 4.
25) Read the mark amplitude. If this value is less than or equal to the indicator value of 4051, record it as the
displayed average noise level within the range from 40GHz to 50GHz into the corresponding test item of
―4051 Record Table‖; otherwise, the value is unacceptable.
Average noise display (26.5GHz to 40GHz)
26) Reset 4051 and set as follows:
Reference level -30 dBm
Start frequency: 26.5GHz
Stop Frequency: 40GHz
Marker All Markers Off
27) Repeat step 3 ~ 4.
28) Read the mark amplitude. If this value is less than or equal to the indicator value of 4051, record it as the
displayed average noise level within the range from 40GHz to 50GHz into the corresponding test item of
―4051 Record Table‖; otherwise, the value is unacceptable.
Average noise display (26.5GHz to 40GHz)
29) Reset 4051 and set as follows:
Reference level -30 dBm
Start frequency: 40GHz
Stop Frequency: 50GHz
Marker All Markers Off
30) Repeat step 3 ~ 4.
31)
Read the mark amplitude. If this value is less than or equal to the indicator value of 4051, record it as the
displayed average noise level within the range from 26.5GHz to 40GHz
into the corresponding test item of
“4051 Record Table”; otherwise, the value is unacceptable.
Average noise display (40GHz to 50GHz)
32) Reset 4051 and set as follows:
Reference level -30 dBm
Starting frequency: 40GHz
Ending frequency: 50GHz
MarkerAll Markers Off