Ceyear 4992A, Руководство пользователя

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Chapter VII Performance feature test
117
Table A.18 Test Records of Frequency Range of Spectrum Analyzer
Input signal frequency (MHz)
Measured value of 4992A
(MHz)
Acceptable range
Conclusion
2
2MHz

507.5Hz
1000 1000MHz

507.5Hz
Table A.19 Test Records of Average Noise Level Display of Spectrum Analyzer
Center frequency
(MHz)
Reference level
(dBm)
Measured value of
4992A (dBm)
Acceptable range
(dBm)
Conclusion
3
＞
-70
≤-110
≤-70
≤-130
499
＞
-70
≤-110
≤-70
≤-130
999
＞
-70
≤-110
≤-70
≤-130
Table A.20 Test Records of Residual Response of Spectrum Analyzer
Reference level
(dBm)
Frequency point
(MHz)
Amplitude
Acceptable
range
Conclusion
＞
-70
≤-70dBm
≤-70
≤-80dBm
Table A.21 Test Records of Input Power Measurement Range of Spectrum Analyzer
Port
Acceptable power range
Measured value of 4992A (dBm)
Conclusion
T/R (999MHz)
High end: +43dBm

3dB
Low end: ≤-50dBm
ANT (499MHz)
High end: -10dBm

3dB
Low end: ≤-110dBm
Table A.22 Test Records of Amplitude Measurement Accuracy of Spectrum Analyzer
Port Frequency
Input power
(dBm)
Measured value of 4992A
(dBm)
Acceptable range
(dBm)
Conclusion
ANT
3MHz
-10
-10

3
-30
-30

3
-50
-50

3
-70
-70

3
-90
-90

3
-110
-110

3
499MHz
-10
-10

3
-30
-30

3
-50
-50

3
-70
-70

3
-90
-90

3
-110
-110

3
999MHz
-10
-10

3
-30
-30

3
-50
-50

3