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R-50C-016-3 Arkusz danych(PDF) 11 Page - Keysight Technologies |
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R-50C-016-3 Arkusz danych(HTML) 11 Page - Keysight Technologies |
11 / 14 page 11 | Keysight N1911A/N1912A P-Series Power Meters and N1921A/N1922A Wideband Power Sensors - Data Sheet Graphical Example A. System contribution to measurement uncertainty versus power level (equates to step 6 result/2) System uncertainty contribution - 1 sigma (%) 1.0% 10.0% 100.0% -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 Power (dBm) N1921A: 500 MHz to 10 GHz N1922A:18 to 40 GHz Other bands B. Standard uncertainty of mismatch. Note: The above graph shows the standard uncertainty of mismatch = ρDUT. ρSensor / ←2, rather than the mismatch uncertainty limits. This term assumes that both the source and load have uniform magnitude and uniform phase probability distributions. C. Combine A & B 2 UC = (Value from Graph A) + (Value from Graph B) 2 Expanded Uncertainty, k = 2, = 2. U C = ................................... ± % Note: This graph is valid for condi- tions of free-run operation, with a signal within the video bandwidth setting on the system. Humidity < 70%. Standard uncertainty of mismatch - 1 sigma (%) 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 0 0.1 0.2 0.3 0.4 0.5 rDUT SWR ρ 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 1.5 0.20 1.6 0.23 1.7 0.26 SWR ρ 1.8 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 0.46 2.80 0.47 2.90 0.49 3.00 0.50 |
Podobny numer części - R-50C-016-3 |
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Podobny opis - R-50C-016-3 |
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