R&S
ZVL
Glossary of Terms
Quick Start Guide 1303.6538.62 - 05
4
Glossary of Terms
A
Active channel:
Channel belonging to the active trace. The active channel is
highlighted in the channel list below the diagram. The active channel is not
relevant in remote control where each channel can contain an active trace.
Active marker:
Marker that can be changed using the settings of the Marker menu
(Delta Mode, Ref. Mkr -> Mkr, Mkr Format). The active marker is also used for
the Marker Functions. It appears in the diagram with an enlarged marker
symbol and font size and with a dot placed in front of the marker line in the info
field.
Active menu:
The menu containing the last executed command. If the softkey bar is
displayed (Nwa Setup - Display Config - Softkey Labels on), then the active
menu is indicated on top of the softkey bar.
Active trace (manual control):
Trace that is selected to apply the settings in the
Trace menu. The active trace is highlighted in the trace list of the active
diagram area. It can be different from the active trace in remote control.
Active trace (remote control):
One trace of each channel that has been selected as
the active trace (CALCulate[Ch]:PARameter:SELect <Trace Name>). Many
commands (e.g. TRACE...) act on the active trace. It can be different from the
active trace in manual control.
C
Cal pool:
The cal pool is a collection of correction data sets (cal groups) that the
analyzer stores in a common directory. Cal groups in the pool can beapplied to
different channels and setups.
Calibration:
The process of removing systematic errors from the measurement
(system error correction). See also TOSM.
Calibration kit:
Set of physical calibration standards for a particular connector family.
Calibration standard:
Physical device that has a known or predictable magnitude and
phase response within a given frequency range. Calibration standards are
grouped into several types (open, through, match,...) corresponding to the
different input quantities for the analyzer's error models.
Channel:
A channel contains hardware-related settings to specify how the network
analyzer collects data. Each channel is stored in an independent data set. The
channel settings complement the definitions of the Trace menu; they apply to
all traces assigned to the channel.
Compression point:
The x-dB compression point of an S-parameter is the stimulus
signal level where the magnitude of the measured quantity has dropped by x
dB compared to its value at small stimulus signal levels (small-signal value).
Confirmation dialog box:
Standard dialog box that pops up to display an error
message or a warning. The current action can be either continued (OK) or
cancelled (Cancel) on closing the dialog box.
Crosstalk:
The occurrence of a signal at the receive port of the analyzer which did not
travel through the test setup and the DUT but leaks through other internal
