Jitter analysis and clock data recovery
R&S
®
RTO6
1071
User Manual 1801.6687.02 ─ 05
Measurement
Description/Result
f
Data rate
Frequency of the clock signal. If no clock signal is available, it is recov-
ered by CDR. The measurement is based on the unit interval mea-
surement.
R
Clock k
= 1 / UI
k
for
k = 1,...,K-1
Skew delay
Delay between the edges of two interdependent waveforms. The mea-
surement is a simplified variant of the "Delay" measurement assuming
that both sources are similar except for the delay.
Skew delay =
Δ
t
k
= t
Source2
- t
Source1
for
k = 1,...,K
Chapter 18.1.2.4, "Delay measurement settings"
Skew phase
Phase difference between the edges of two waveforms.
Skew phase = Skew delay / Period * 360° =
Δ
t
k
/
Δ
T
Period k
* 360°
Limit and margin checks are also available for jitter measurements, see
ter 8.2.13, "Limit and margin checks"
on page 363. Limit and margin checks are based
on the amplitude/time measurements.
18.1.2
Jitter measurement settings
18.1.2.1
Measurement selection
Access: [Measure] > "Setup" tab > "Jitter" category
Jitter measurements are only available for sources in the time domain.
Jitter measurements (options R&S
RTO6-K12/K13)
