U2042XA Datasheet, PDF (24/25 Pages) Keysight Technologies – U2040 X-Series Wide Dynamic Range Power Sensors

24 | Keysight | U2040 X-Series Wide Dynamic Range Power Sensors – Data Sheet
Note: The above graph is valid for conditions of free-run operation, with a signal within the
video bandwidth setting on the system. Humidity < 70 %.
B. Standard uncertainty of mismatch
SWR r
1.0
0.00
1.05 0.02
1.10 0.05
1.15 0.07
1.20 0.09
1.25 0.11
1.30 0.13
1.35 0.15
1.40 0.17
1.45 0.18
1.50 0.20
1.60 0.23
1.70 0.26
SWR r
1.80 0.29
1.90 0.31
2.00 0.33
2.10 0.35
2.20 0.38
2.30 0.39
2.40 0.41
2.50 0.43
2.60 0.44
2.70 046
2.80 0.47
2.90 0.49
3.00 0.50
Note: The above graph shows the Standard Uncertainty of Mismatch = rDUT.
rSensor / √2, rather than the Mismatch Uncertainly Limits. This term assumes that both the
Source and Load have uniform magnitude and uniform phase probability distributions.
C. Combine A & B
U_c = √^—(V^—a^—l^—u^—e^—f^—ro^——m^——G^—r^—a^—p^—h^—A^—)^{—2—}+^{——(}V^—a^—l^—u^—e^—f^—ro^—m^——G^——ra^—p^—h^——B^—)^—2
Expanded uncertainty, k = 2, = U_C • 2 =. . . . . . . . . . . . . . . . . . . . . . . . . . . . .±
%