Protocol analysis
R&S
®
RTP
682User Manual 1337.9952.02 ─ 12
Remote command:
BUS<m>:RFFE:CLOCk:SOURce on page 1812
SDATA Source
Sets the source of the data line.
Usually, the source is one of the analog channels. Reference and math waveforms are
available as source if the trigger source is one of the analog channels but not the serial
bus.
Alternatively, digital channels can be used if MSO option R&S RTP-B1 is installed. Dig-
ital and analog channels cannot be used at the same time.
For triggering on a serial bus, analog or digital channel sources are required.
Remote command:
BUS<m>:RFFE:DATA:SOURce on page 1812
Thresholds
Set the threshold values for digitization of signals for each line: the positive going
threshold (V
TP
, upper value), the negative going threshold (V
TN
, lower value), and the
hysteresis. The hysteresis is the difference of V
TP
and V
TN
.
If the signal value on the line is higher than the positive going threshold, the signal
state is high. Otherwise, the signal state is considered low if the signal value is below
the negative going threshold.
There are several ways to set the thresholds
"Threshold"
Enter the value directly in the field.
"Find thresh-
olds"
Executes the measurement of reference levels and sets the thresh-
olds to the middle reference level of the measured amplitude.
Remote command:
BUS<m>:RFFE:CLOCk:THReshold:HIGH on page 1814
BUS<m>:RFFE:CLOCk:THReshold:LOW on page 1814
BUS<m>:RFFE:CLOCk:THReshold:HYSTeresis on page 1814
BUS<m>:RFFE:DATA:THReshold:HIGH on page 1813
BUS<m>:RFFE:DATA:THReshold:LOW on page 1813
BUS<m>:RFFE:DATA:THReshold:HYSTeresis on page 1813
BUS<m>:SETReflevels on page 1548
BUS<m>:FAUToset on page 1549
Show thresholds
If enabled, the threshold levels are displayed in the diagram.
Remote command:
BUS<m>:THReshold on page 1549
13.12.2.2 Advanced settings
Access: [Protocol] > "Advanced" tab.
RFFE (option R&S
RTP-K40)
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