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GUI reference

R&S

ZNB/ZNBT

694User Manual 1173.9163.02 ─ 62

Note that for a modulation type other than NRZ, eye masks and eye mask tests are not

available (the buttons on the Eye Mask Test tab are grayed out).

Remote command:

CALCulate<Chn>:EYE:INPut:MODulation

High Level / Low Level

Defines the highest/lowest (nominal) voltage level of the multilevel signal that is used

to generate the related eye diagram.

The Modulation type can only be changed in the advanced "Generator Settings" dialog

(see "Generator" on page 696).

Remote command:

CALCulate<Chn>:EYE:INPut:OLEVel

CALCulate<Chn>:EYE:INPut:ZLEVel

Low Pass

Defines the signal shape of the simulated digital signal: toggles between ideal rectan-

gular shape ("Low Pass" = disabled, default) and a more realistic shape ("Low Pass" =

enabled).

If enabled a single pole low pass filter is inserted into the simulated signal path, which

is defined using its rise time (see "Rise Time / Rise Time Definition" on page 694).

Remote command:

CALCulate<Chn>:EYE:STIMulus:LOWPass

Rise Time / Rise Time Definition

The Low Pass is defined by its "Rise Time" from 10% to 90% or from 20% to 80% of

the signal amplitude.

Note that the measured rise time after the DUT is also affected by the rise time of the

DUT. Hence the measured rise time can be higher than the specified rise time.

Remote command:

CALCulate<Chn>:EYE:INPut:RTIMe:DATA

CALCulate<Chn>:EYE:INPut:RTIMe:THReshold

Define Colors

Opens a dialog that allows to change the color gradient of the eye diagram (as a heat

map).

Applic softtool

R&S ZNB Series User Manual

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