Agilent Technologies NFA Series, Performance Verification And Calibration Manual

Page: 72 / 184

60 Chapter 2
Test Descriptions
Noise Figure Range and Accuracy
Table 2-13 Noise Figure Range and Accuracy Test Worksheet
Attenuator
Step Size (dB) Input
Level
(dBm) Measured
Phot (dB) Range
(dB) Actual
Attenuation (dB)
Equation 1 Measured
Attenuation (dB)
Equation 2
0 -54 Ref 1 Ref 1 Ref 1 Ref 1 Ref 1
----- ----- ----- 0.125
----- ----- ----- 0.5
1 -55 1
2 -56 2
3 -57 3
4 -58 4
5 -59 5
6 -60 6
7 -61 7
8 -62 8
9 -63 9
10 -64 10
11 -65 11
0 Ref 2 -65 Ref 2 Ref 2 Ref 2 Ref 2 Ref 2
1 -66 12
2 -67 13
3 -68 14
4 -69 15
5 -70 16
6 -71 17
7 -72 18