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When there is no input signal, the POWer query returns –200 dBm; the
WAVelength query returns 100 nm (1.0E–7).
PEXCursion
Sets the peak excursion limit used by the Agilent 86120C to determine
valid laser line peaks.
Syntax
:CALCulate2:PEXCursion{?| {<integer> | MINimum | MAXimum | DEFault}}
<integer> represents logarithmic units in dB. Valid range is 1 to 30 dB.
Constant
MINimum
MAXimum
DEFault
Attribute
Non- sequential command
Preset State: 15 dB
Summary
*RST State: 15 dB
SCPI Compliance: instrument specific
Description
A laser line is identified as a valid peak if its amplitude is greater
than the peak excursion plus the amplitudes of the closest local min-
ima on either side of the peak. This command works in conjunction
with the peak threshold setting.
Changing the peak excursion limit causes the instrument to reprocess
the current set of data. Refer also to
page 2-
The query response is the current value. For example, if the current
value is set to 15 dB, the following value is returned:
15
Description
1 dB
30 dB
15 dB
15.
Programming Commands
Refer to "PTHReshold" on page 4-
"Defining Laser- Line Peaks" on
CALCulate2 Subsystem
34.
4-33
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