DSOX6MASK datasheet(10/45 Pages) KEYSIGHT

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10 | Keysight | InfiniiVision 6000 X-Series Oscilloscopes - Data Sheet

New Standard for Price Performance: Bandwidth, Visualization, and Integration

Visualization (Continued)

Visualize signal integrity: Optional jitter analysis

and real-time eye diagram analysis

Jitter measurement has become a popular debugging technique.

However, traditional jitter analysis options are often costly and

focused on characterizations that may not be suited for real-time

debugging. The 6000 X-Series DSOX6JITTER option focuses on

real-time debugging for your everyday jitter analysis. Start your

analysis with the dedicated jitter button.

– The integrated oscilloscope feature ensures the best real-

time user debugging experience, unlike a separate software

package

– Flexible clock recovery, supporting

– Constant frequency

– First-order PLL (loop bandwidth)

– Second-order PLL (loop bandwidth and damping factor)

– Explicit clock

– Flexible jitter measurements

– Data TIE

– Clock TIE

– N-period

– Period-period

– + width to + width

– - width to - width

– + duty cycle

– Flexible jitter and jitter component graphical representations

– Jitter measurement histogram

– Displays the distribution of the jitter

– Jitter measurement trend

– Graphically represents the jitter value time-correlated to

the input clock data signal under test

– Smoothing can be applied

– Jitter spectrum

– FFT analysis of the jitter trend to determine the frequency

component of the jitter

Figure 19 is an example of a data TIE (time interval error) analysis

on a 1-Gbp PRBS (pseudo-random bit sequence) signal. The

data TIE measured 50-ps rms TIE jitter. The jitter trend and trend

smoothing plot quickly revealed the injected jitter to be square

periodic jitter. The jitter spectrum plot and frequency peak search

found the main jitter component to be near 500 kHz, contributing

42 ps. The event table also listed higher harmonic components

and their jitter contribution values. Finally, the histogram shape

showed a clear bimodal distribution indicating the presence of

deterministic jitter.

Figure 17. Press the jitter button on the front panel to directly access the

jitter menu.

Figure 18. Clock recovery menu and jitter

measurement menu.

Figure 19. Analyzing periodic jitter (square) on a 1-Gbps PRBS signal.

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