
October 29, 2012
Confidentiality Label
9
Adjust output on signal generator to full scale on
which you will be making measurements
Expected Jitter should be approximately:
rms noise / slope of sinewave at zero crossing.
Random Jitter ~ 1.58mVrms/1 mV/ps
=1.58 ps
Compare with 1.62ps as measured with sine wave
Preparing for Test
Oscilloscope Residual Jitter
Signal Generator
Oscilloscope
Freq Ch1 Ch2 Ch3 Ch4
1GHz TJ
RJ
TJ 22.5 ps
RJ 1.62 ps
25.6 ps
1.68 ps
33.9 ps
1.78 ps
27.2ps
1.71 ps
4GHz TJ
RJ
8.08 ps
0.60 ps
8.48 ps
0.62 ps
9.12 ps
0.68 ps
9.20 ps
0.66ps
Slope = 100mV/100ps = 1mV/ps
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