R&S RTA4000, User Manual

Page: 157 / 861

Measurements
R&S
®
RTA4000
157 User Manual 1335.7898.02 ─ 08
Set the lower and upper reference levels for rise and fall time measurements. Sets also
the middle reference level used for phase and delay measurements. The levels are
defined as percentages of the high signal level. The settings are valid for all measure-
ment places.
Remote command:
REFLevel:RELative:MODE
on page 528
REFLevel:RELative:LOWer
on page 529
REFLevel:RELative:MIDDle
on page 529
REFLevel:RELative:UPPer
on page 529
Gate Setup
Define a gate to limit the measurement to a time range. You can set the "Start" and
"Stop" time in absolute or relative values, depending on the "Mode".
Remote command:
MEASurement<m>:GATE:MODE
on page 527
MEASurement<m>:GATE:ABSolute:STARt
on page 527
MEASurement<m>:GATE:ABSolute:STOP
on page 527
MEASurement<m>:GATE:RELative:STARt
on page 528
MEASurement<m>:GATE:RELative:STOP
on page 528
8.2.4 Delay setup
Access: [Meas] > "Type" = "Delay" or "Delay to Trigger" > "Delay Setup"
In the "Delay Setup" menu, you configure the delay measurement or delay to trigger
measurement.
You can change the slope and the detection area to define the slopes for delay mea-
surements.
Automatic measurements