Teledyne LeCroy QPHY-ENET - Manual (Page 75)

QPHY-ENET Software Option
QPHY-ENET Operator’s Manual Rev G
75
1. Connect DUT to J68.
2. Install jumpers on J71 and J77, and remove jumpers from J91, J92, J99 and J100.
3. Connect the oscilloscope channel 2 to J86, channel 3 to J87. The 50 Ω termination of the oscilloscope inputs
will terminate the signal pair with 100 Ω.
Figure 59. TF-ENET-B fixture Disturbing Signal section block diagram
4. Generate Mode 4 signal.
5. On the Fixture Calibration menu press Measure (Data Amplitude), and wait for it to finish.
J77, J71 connect oscilloscope
to input signal pair.
J91, J92 connect oscilloscope
to output of the power divider.
J99 and J100 connect signal pair
to the inputs of the splitters.
J17 and J19 connect the output
of the splitters to J3 and J4.