Chapter 3 167
Mode
Two Port Insertion Loss Measurement
Mode
Limit Masks Sets the Limit Masks submenu keys, it is then possible to select to configure
either Limit Mask 1 (Upper) or Limit Mask 2 (Lower).
Limit Mask 1 (upper) or Limit Mask 2 (Lower)
Limit Mask 1 (upper) access the upper limit mask keys.
Limit Mask 2 (Lower) access the lower limit mask keys.
You can define a limit mask that matches your maximum or minimum measurement requirements.
This mask can then be compared with the measured trace data to determine pass/fail conditions.
Limit Trace
Selects the trace to which the currently selected limit mask (1 or 2) will be applied. The limit masks can be
applied to separate traces. Only 2 traces are available in the Stimulus Response mode (compared to 4 traces in
the Spectrum Analyzer Mode).
Mode Stimulus / Response
Dependencies /
Couplings
The Limit Mask 1 (Upper) menu link key accesses the keys to
configure the upper limit mask for the Center, 1
st
, or 2
nd
segments (dependent on selected segment).
The Limit Mask 2 (Lower) menu link key accesses the keys to
configure the lower limit mask for the Center, 1
st
, or 2
nd
segments (dependent on selected segment).
State Saved Saved in instrument state.
Key Path
Meas Setup, Limits, Limit Masks
Mode Stimulus / Response
Dependencies /
Couplings
The limit mask is always displayed when the center segment is
turned on; even if the trace to which it is being applied is
blanked (‘Show’ set to Off).
Preset 1
State Saved Saved in instrument state.
Range 1 | 2
Key Path
Meas Setup, Limits, Limit Masks, Limit Mask 1, Limit Trace
or
Meas Setup, Limits, Limit Masks, Limit Mask 2, Limit Trace
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