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U1882B Arkusz danych(PDF) 5 Page - Keysight Technologies |
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U1882B Arkusz danych(HTML) 5 Page - Keysight Technologies |
5 / 11 page 05 | Keysight | U1881A and U1882B Measurement Application for InfiniiVision and Infiniium Oscilloscopes - Data Sheet The switching loss in a power supply determines its efficiency. You can easily characterize instantaneous power loss and conduction power loss at the switching device over a designated switching cycle. The dynamic ON resistance measurement shows you power loss while the power transistor is conducting. To determine the reliability of the power supply it is very important to measure the power loss during dynamic load changes and to observe the SOA (safe operating area) plot. Using deep acquisition memory on the scope with the SOA plot, you can easily identify improper power transistor behavior. Figure 4. Power device analysis results are displayed both graphically and in a tabular, "lister" format Power device analysis Power supply designers need to characterize the line power for power quality, harmonics and conducted emissions under different operating conditions of the power supply. Some of the implicit measurements are real power, apparent power, reactive power, power and crest factor, and graphical display of harmonics with respect to standards such as IEC 61000-3-2 (Class A, B, C, D) and RTCA DO 160E. By using a current probe and the power measurement software (equipped with an FFT math function), you can measure conducted power line harmonics. Figure 5. Input line analysis results Input line analysis |
Podobny numer części - U1882B |
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Podobny opis - U1882B |
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