Agilent Technologies DisplayPort Instrukcja Użytkownika Pobierz pdf (Strona 27)

Test Details: Screen Shots and Discussion

Non-Pre-emphasized Level Test

Notes:

1. The nominal settings of Level 0, 1, 2, 3 are 400, 600, 800, and 1200 mVolts BUT we really

don’t care about the absolute level. What is important is the DIFFERENCE between

settings.

2. We measure the Non Transition voltage swing of two adjacent levels and compare.

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286mV

193mV

Level 0 to Level 1 Resultant = 20*Log (286/193)= 3.42 dB

Level setting 1

Level setting 0

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 42 43

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Agilent Technologies DisplayPort Instrukcja Użytkownika Strona 27