62
Chapter 2
Test Descriptions
Noise Figure Range and Accuracy
Table 2-14
4.5-6.5 dB Noise Source ENR Test Record
Actual NF range
=
5 dB ENR - 10LOG (10^ (Actual
Attenuation
dB
/10) -1)
Measured NF range
=
5 dB ENR - 10LOG (10^ (Measured
Attenuation
dB
/10) -1)
Instrumentation Uncertainty:
=
Actual NF - Measured NF
Table 2-15
14-16 dB Noise Source ENR Test Record
Actual NF range
=
15 dB ENR - 10LOG (10^ (Actual
Attenuation
dB
/10) -1)
Measured NF range
=
15 dB ENR - 10LOG (10^ (Measured
Attenuation
dB
/10) -1)
Instrumentation Uncertainty:
Range
dB
0.125 to 11
=
Actual NF - Measured NF
Range
dB
12 to 15
=
Actual NF - Measured NF +
Instrumentation Uncertainty at 11 dB
(re-reference)
Table 2-16
20-22 dB Noise Source ENR Test Record
Actual NF range
=
22 dB ENR - 10LOG (10^ (Actual
Attenuation
dB
/10) -1)
Measured NF range
=
22 dB ENR - 10LOG (10^ (Measured
Attenuation
dB
/10) -1)
Instrumentation Uncertainty:
Range
dB
0.125 to 11
=
Actual NF - Measured NF
Range
dB
12 to 22
=
Actual NF - Measured NF +
Instrumentation Uncertainty at 11 dB
(re-reference)
Summary of Contents for NFA Series
Page 114: ...104 Chapter3 Technical Specifications General Specifications...
Page 126: ...116 AppendixA Model N8973A Test Records Measurement Jitter Test Record...
Page 138: ...128 AppendixB Model N8974A Test Records Measurement Jitter Test Record...
Page 152: ...142 AppendixC Model N8975A Test Records Measurement Jitter Test Record...
Page 178: ...168 AppendixD Caring for Connectors Principles of Microwave Connector Care...
Page 184: ...174 Index Index...
