VNA GUI reference
R&S
®
ZNL/ZNLE
504User Manual 1178.5966.02 ─ 20
Remote command:
[SENSe:]CORRection:CKIT:<StandardType>
Load Parameters
The entries in the lower part of the "View / Modify Cal Kit Standards" dialog specify the
load parameters for a particular calibration standard describing its terminal impedance.
The circuit model for the load consists of capacitance C which is connected in parallel
to an inductance L and a resistance R, both connected in series.
●
R is the constant resistive contribution. It is possible to select:
– "Open" for ∞ Ω (so that the inductance coefficients are irrelevant)
– "Short" for 0 Ω
– "Match" for the reference impedance of the current connector type
– any resistance "R"
●
The fringing capacitance C and the residual inductance L are both assumed to be
frequency-dependent and approximated by the first four terms of the Taylor series
around f = 0 Hz.
See also description of the load parameters for the different standard types in Chap-
ter 9.5.2.1, "Calibration standard types", on page 256.
Remote command:
[SENSe:]CORRection:CKIT:<StandardType>
10.12.2.3 Characterize Cal Unit dialog
The "Characterize Cal Unit" dialog displays the properties of the connected cal units,
provides control elements for characterization file management, and starts the charac-
terization wizard.
Access: [Cal] > "Characterize Cal Unit..."
Background information
Refer to Chapter 9.5.5.3, "Characterization of calibration units", on page 265.
A cal unit characterization can be performed in a frequency sweep. The "Characterize
Cal Unit" dialog is unavailable while a CW Mode or time sweep is active. The analyzer
always uses a fixed source power of -10 dBm to acquire the characterization data.
Cal softtool
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