RIGOL Chapter 10 Real-time Eye Diagram and Jitter Analysis (Option)
10-4 MSO8000 User Guide
Press Type, then rotate the multifunction knob to select the desired
data rate type. Press down the knob to select it. You can also press the
Type key continuously or enable the touch screen to select it.
âš« Set the data rate
Press Data Rate, then rotate the multifunction knob or use the pop-up
numeric keypad to set the data rate.
Note: When the data rate type is set to Auto, the Data Rate menu is
grayed out and disabled, and only the automatically recovered
frequency of the ideal clock can be displayed.
2. Setting method for phase-locked loop (PLL)
Press RecoveryType, then rotate the multifunction knob to select "PLL"
and press down the knob to select it. You can also press the RecoveryType key
continuously or enable the touch screen to select it.
âš« Set the data rate
Press Data Rate, then rotate the multifunction knob or use the pop-up
numeric keypad to set the data rate.
âš« Set the PLL order
This oscilloscope supports first-order PLL and second-order PLL. Press PLL
Order, and rotate the multifunction knob to select the order number
and then press down the knob to select it. You can also press PLL Order
continuously or enable the touch screen to select it.
âš« Set the loop BW
Press Loop BW, then rotate the multifunction knob or use the pop-up
numeric keypad to set the loop bandwidth.
âš« Set the damping factor
When PLL order is set to "2nd Order", you need to set the damping factor. It
is the damping factor of the PLL's observed jitter transfer function (OJTF).
Press DampFactor, then rotate the multifunction knob or use the
pop-up numeric keypad to set the damping factor.
The typical damping factor is 1.0 and 0.707. The former is critically damped,
and the latter is the ideal or optimal value.
3. Setting method for external clock recovery
Press RecoveryType, and rotate the multifunction knob to select "Explicit",
and then press down the knob to select it. You can also press RecoveryType
continuously or enable the touch screen to select it.
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