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GUI reference

R&S

ZNB/ZNBT

687User Manual 1173.9163.02 ─ 62

5.16.2.3 TDR Stimulus Settings dialog

This dialog allows you to configure the frequency sweep whose results are then used

for the time domain transformation and subsequent TDR simulation.

Access: System – [Applic] > "TDR" > "TDR Setup" > "Stimulus..."

After the settings are made, the resulting sweep parameters are shown in the lower

part of the dialog, as can be seen in the screenshot below.

Opening the dialog automatically activates the Automatic Harmonic Grid function.

Controls in the TDR Stimulus Settings dialog

Figure 5-73: TDR Stimulus Settings dialog

The "TDR Stimulus Settings" dialog offers basic settings. Instead of specifying the

sweep parameters directly, they are derived from time domain properties of the DUT.

After the settings are made, the resulting sweep parameters are shown in the dialog.

Advanced settings can be accessed via "Advanced Settings..." (see "TDR Stimulus -

Advanced Settings dialog" on page 688).

Max. DUT Measure Delay / Max. El. Length / Max. Mech. Length

Defines the "length" of the DUT, which can either be specified as delay, electrical

length, or mechanical length.

Given the DUT's permittivity ε

, these alternative "length" parameters are related by:

i.e. setting one of them determines the other two.

Note: The length of the DUT determines the appropriate start frequency and step size

of the frequency sweep. It is important that the user enters a value that is at least as

high as the actual one. A higher value is acceptable as long as the resulting start fre-

quency is not below the analyzer's minimum frequency, which would be rejected by the

analyzer firmware.

Applic softtool

R&S ZNB Series User Manual

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