GUI reference
R&S
®
ZNA
329
User Manual 1178.6462.02 ─ 20
General > IF Frequency ← Advanced Settings
For typical applications, the IF frequency is chosen automatically and depends on the
chosen
and the measurement frequency. However, for certain mea-
surements it can be preferable to choose a different IF frequency. The manually
chosen IF frequency is applied over the full measurement frequency range.
Remote command:
[SENSe<Ch>:]NFIGure:IFConst
[SENSe<Ch>:]NFIGure:IFConst:STATe
General > Ambient Temperature ← Advanced Settings
The ambient temperature is used for precise calculation of the source noise tempera-
ture at the input of the DUT. The external attenuation (cables, adapters, attenuators,
etc.) is assumed to have a physical temperature equal to the ambient temperature.
See
on page 262 for a detailed description.
Remote command:
[SENSe<Ch>:]NFIGure:TEATtenuator
Sideband Correction ← Advanced Settings
In this section of the "Advanced NF Settings" dialog, you can compensate for the
imperfect response of the VNA receivers. See
detailed description. However, the overall influence on the calculated NF does not only
depend on the receivers but also on the DUT. Therefore, depending on the DUT, it can
be advantageous to choose a higher sideband order and a higher upper frequency limit
as chosen by default.
A general recommendation is to choose a 5th order sideband correction for frequen-
cies starting below 1
GHz. For higher frequencies, the sideband order can be reduced.
For frequencies starting above 20
GHz, the effect of parasitic sidebands is typically
negligible.
Meas softtool