Agilent Technologies NFA Series Performance Verification And Calibration Manual page 74

Table 2-14
Table 2-15
Table 2-16
Test Descriptions
Noise Figure Range and Accuracy
4.5-6.5 dB Noise Source ENR Test Record
Actual NF range
Measured NF range
Instrumentation Uncertainty:
14-16 dB Noise Source ENR Test Record
Actual NF range
Measured NF range
Instrumentation Uncertainty:
Range 0.125 to 11
dB
Range 12 to 15
dB
20-22 dB Noise Source ENR Test Record
Actual NF range
Measured NF range
Instrumentation Uncertainty:
Range 0.125 to 11
dB
Range 12 to 22
dB
62
= 5 dB ENR - 10LOG (10^ (Actual
Attenuation /10) -1)
dB
= 5 dB ENR - 10LOG (10^ (Measured
Attenuation /10) -1)
dB
= Actual NF - Measured NF
= 15 dB ENR - 10LOG (10^ (Actual
Attenuation /10) -1)
dB
= 15 dB ENR - 10LOG (10^ (Measured
Attenuation /10) -1)
dB
= Actual NF - Measured NF
= Actual NF - Measured NF +
Instrumentation Uncertainty at 11 dB
(re-reference)
= 22 dB ENR - 10LOG (10^ (Actual
Attenuation /10) -1)
dB
= 22 dB ENR - 10LOG (10^ (Measured
Attenuation /10) -1)
dB
= Actual NF - Measured NF
= Actual NF - Measured NF +
Instrumentation Uncertainty at 11 dB
(re-reference)
Chapter 2