Altera High-Speed Development Kit, Stratix GX Edition - Manual (Page 26)

3–4 Quartus II Version 3.0 Altera Corporation
Power Up the Board & View the XCVR Eye High-Speed Development Kit, Stratix GX Edition User Guide
The Stratix GX development board is powered up. To view the Stratix GX
XCVR eye, perform the following steps:
1. Place a DC block on the signals TX_N3 (J25) and TX_P3 (J17).
2. Place the SMA attenuator on J97.
3. Connect one end of an SMA cable to the attenuator and connect the
other end to the trigger input of the oscilloscope.
4. Connect one end of an SMA cable to J25 and connect the other end
to an input channel of the oscilloscope.
5. Connect one end of an SMA cable to J17 and connect the other end
to an input channel of the oscilloscope.
6. Set the switch SW9 to select the crystal oscillator.
7. On the oscilloscope, set the vertical setting on each channel to
52 mV/div.
8. Set the oscilloscope’s horizontal setting to 100 ps/div.
9. On the oscilloscope’s trigger section, press the SET TO 50% button.
10. Turn on and set the math channel to C2-C1.
11. Turn off channels 1 and 2. The oscilloscope should capture an eye
pattern similar to the one shown in Figure 3–2.