MDU

Measurement Data Units

Returns values for the spectrum analyzer baseline and reference level.
Syntax
Related Commands: TDF.
Example
10 OUTPUT
718;"IP;TDF
M;"
20 OUTPUT
718;"RL
-1ODM;"
30
OUTPUT
718*"MDU'*"
*
9
,
40
ENTER
718;A,B,C,D,A$
50
PRINT A,B,C,D,A$
60
END
Initializes the spectrum analyzer and
formats
the trace data
in measurenxent
units.
Changes the
refwertce
level to -10
dBm.
Queries the position of the spectrum analyzer baseline and
reference level.
Moves the spectrum analyzer response to the
computer
Displays the results on the computer screen.
The example returns the following to the controller: 0, 200, -90, -10
dBm.
The first two
numbers received indicate that the vertical scale spans from 0 to 200 plotter units. The third
and fourth number received indicate that the baseline is at -90
dBm,
and the reference level is
at -10
dBm.
So, the baseline value of -90
dBm
is equal to 0 plotter units. The reference level
of -10
dBm
is equal to 200 plotter units.
Description
The MDU command returns values for the spectrum analyzer baseline and reference level, in
plotter units and measurement units.
5304
Programming Commands