Intel 1000BASE-T User Manual

1000BASE-T/100BASE-TX/10BASE-T Physical Layer Compliance Tests Manual
Intel Confidential 57
100Base-TX Transmit Jitter
14 100Base-TX Transmit Jitter
ANSI Section 9.1.9
14.1 Test Purpose
To measure the jitter of a scrambled waveform output from the UUT.
14.2 Specification
“Peak to peak jitter shall be measured using the scrambled HALT line state. Total transmit jitter,
including contributions from duty cycle distortion and Baseline Wander, shall not exceed 1.4 ns
peak [to] peak.”
1
14.3 Test Equipment
• Oscilloscope with at least 1 GHz bandwidth
• Differential probe with at least 1 GHz bandwidth and capacitance less than or equal to 1 pF
• Host computer running gigconf.exe
14.4 Test Fixtures
100 Ω UTP test load (Appendix A.1)
14.5 Test Procedure
1. Connect the test equipment and UUT as shown below.
1. ANSI X3.263-1995, p 31.
Differential Probe
w/ 1 GHz BW
Unit Under Test
(UUT)
Digitizing
Oscilloscope
Test Fixture 40-25
100 Ohm Resistive Load
RX
RJ-45
TX

Intel 1000BASE-T Specifications

General

Brand	Intel
Model	1000BASE-T
Category	Adapter
Language	English