R&S RTO6 - Page 1509

Remote control commands
R&S
®
RTO6
1509User Manual 1801.6687.02 ─ 05
<MeasType>
parameter value
(remote control)
Measurement (man-
ual operation)
Description/Result Suffix
<n>
EHEight Eye height Vertical eye opening 4
EWIDth Eye width Horizontal eye opening 5
ETOP Eye top Mean of the upper vertical histogram 6
EBASe Eye base Mean of the lower vertical histogram 7
not used 8
QFACtor Q factor (Eye top – Eye base) / (σtop + σbase) 10
not used 11...13
RMSNoise Noise (RMS) Quadratic mean of the noise of eye top and eye
base
14
SNRatio S/N ratio Signal-to-noise ratio
10 * log (Eye amplitude / Noise RMS)
15
DCDistortion Duty cycle distortion 20 * log (Eye amplitude / Noise RMS) 16
ERTime Eye rise time Duration for signal to rise from 10% to 90% of the
high signal level
17
EFTime Eye fall time Duration for signal to fall from 90% to 10% of the
high signal level
18
EBRate Eye bit rate Frequency between two crossings 19
EAMPlitude Eye amplitude Eye top - Eye base 20
not used 21...27
PPJitter Jitter (peak to peak) Average of the jitter for both crossing points
(σcrossing1 + σcrossing2) / 2
28
STDJitter Jitter (6*σ) Jitter *6 29
RMSJitter Jitter (RMS) Quadratic mean of the jitter at both crossing points 30
MEASurement<m>:EYEJitter:AUToscale........................................................................
1509
MEASurement<m>:EYEJitter:LCHeck<n>:
VALid............................................................. 1510
MEASurement<m>:EYEJitter:LCHeck<n>:LOWer:LIMit................................................... 1510
MEASurement<m>:EYEJitter:LCHeck<n>:UPPer:LIMit....................................................1510
MEASurement<m>:EYEJitter:LCHeck<n>:LOWer:MARGin.............................................. 1511
MEASurement<m>:EYEJitter:LCHeck<n>:UPPer:MARGin...............................................1511
MEASurement<m>:EYEJitter:AUToscale
Defines optimized settings to perform an eye diagram measurement for the selected
source.
Suffix:
<m>
.
1..10
See "Selection of the measurement group: MEASurement<m>"
on page
1479.
Automatic measurements