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80 U7232A DisplayPort Compliance Testing Notes

8 Source Pre-emphasis Level Verification Testing

PASS Condition

The pre- emphasis calculation must fall within the following ranges for

each pre- emphasis level:

3.5 dB setting: 2.8 dB ≤ Result ≤ 4.2 dB

6.0 dB setting: 4.8 dB ≤ Result ≤ 7.2 dB

9.5 dB setting: 7.6 dB ≤ Result ≤ 11.4 dB

Test R ef er en ce s

See Test 3- 3: Pre- emphasis Level Verification Testing, in the

DisplayPort- Compliance Test Specification Version 1.

Rise-Fall Mismatch Edge Sets the number of edges measured for the rise-fall mismatch test.

Upper Threshold (Debug

only)

Sets the upper threshold used to make a rise time or fall time

measurement.

Lower Threshold (Debug

only)

Sets the lower threshold used to make a rise time or fall time

measurement.

Intra-pair Skew

Intra-pair Edge Sets the number of edges measured for the intra-pair skew test.

AC Common Mode

AC Common Edge Sets the number of edges measured for the AC common mode test.

Table 9 Test Configuration Options

Configuration Option Description

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 151 152

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Agilent Technologies DisplayPort Manual de servicio Pagina 80