Protocol analysis
R&S
®
RTP
840User Manual 1337.9952.02 ─ 12
Remote command:
BUS<m>:CTLE:DCGain on page 2046
Channel Length ← CTLE
Selects the USB Super Speed channel length.
Remote command:
BUS<m>:USBThree:PROTocol on page 2048
DFE
Defines the settings of the decision feedback equalization (DFE). DFE correction is
needed when the channel is distosrted.
Enable ← DFE
Enables the use of the decision feedback equalization.
Remote command:
BUS<m>:USBThree:DFE:ENBLe on page 2048
Estimate coefficients ← DFE
Enables the use of estimate coefficients.
Remote command:
BUS<m>:USBThree:DFE:ESTCoeff on page 2048
Coefficient ← DFE
Sets the value of the coefficient.
Remote command:
BUS<m>:USBThree:DFE:COEFficient on page 2047
Number of Taps ← DFE
Sets a number of taps for the decision feedback filter.
Remote command:
BUS<m>:USBThree:DFE:TCONt on page 2048
13.19.2.3 Configuring USB 3.1 signals
For configuration, assign the lines to the input channels and define the active states
and the logical thresholds.
1. Press the [Protocol] key on the front panel.
2. Select the tab of the bus you want to set up, for example "SB1".
3. In the "Setup" tab, set "Protocol"="USB3.1".
4. Select the "Protocol type".
5. Switch back to the "Setup" tab.
USB 3.1 (option R&S
RTP-K61/K62)
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