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R&S ZNL Series User Manual

R&S ZNL Series
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VNA GUI reference
R&S
®
ZNL/ZNLE
413User Manual 1178.5966.02 ─ 20
10.7.7 Stability tab
Selects one of the three two port stability factors K, μ
1
or μ
2
as measured quantities. A
typical application of stability factors is to assess the stability of an amplifier. Stability
factors cannot be calculated in balanced port configurations.
Background information
Refer to Chapter 9.3.7, "Stability factors", on page 228.
Stability
Selects a stability factor as a measured quantity for the active trace. The stability factor
calculation is based on 2-port reflection and transmission S-parameters so that the
input and output port numbers must be different. The pull-down list contains all possi-
ble physical (single-ended) port combinations. For an analyzer with n ports, provides n
* (n 1) stability parameters.
Stability parameters are expressed as "K
<out><in>
", "μ1
<out><in>
", and "μ2
<out><in>
", where
<out> and <in> denote the logical output and input port numbers of the DUT.
Remote command:
CALCulate<Ch>:PARameter:MEASure "<Trace_Name>", "KFAC21" |
"MUF121" | "MUF221" | ...
CALCulate<Ch>:PARameter:SDEFine "<Trace_Name>", "KFAC21" |
"MUF121" | "MUF221" | ...
μ1 21/μ2 21/K 21
Selects one of the standard 2-port stability factors as a measured quantity for the
active trace. These buttons are enabled if none of the logical ports 1 and 2 is defined
as a balanced port.
Remote command:
CALCulate<Ch>:PARameter:MEASure "<Trace_Name>", "MUF121" |
"MUF221" | "KFAC21"
CALCulate<Ch>:PARameter:SDEFine "<Trace_Name>", "MUF121" |
"MUF221" | "KFAC21"
Balanced Ports...
Opens a dialog to define a balanced port configuration.
Meas softtool

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R&S ZNL Series Specifications

General IconGeneral
BrandR&S
ModelZNL Series
CategoryMeasuring Instruments
LanguageEnglish

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