AMBPL

Trace A Minus Trace B Plus Display Line

Subtracts trace B from trace A, adds the display line value to the difference, and sends the
result to trace A during every sweep of the spectrum analyzer.
Syntax
OFF
/
ON
Equivalent
Softkey:
NORMLIZE
ON
OFF .
Preset State: AMBPL OFF.
Related Commands: ADD, AMB, CONTS, CLRW, DL, MXMH, SNGLS, SUB, TS, VAVG, VIEW.
Restrictions: Not compatible with Analog+ display mode. See “ANLGPLUS” for more
information.
Example
10 OUTPUT
718;"IP;SNGLS;RL
20DB;"
20 OUTPUT 718;"MOV
TRA,5000;"
30 OUTPUT
718;"VIEW
TRA;"
40 OUTPUT
718;"MOV
TRB,4000;"
50 OUTPUT
718;"VIEW
TRB;"
60 OUTPUT
718;"DL
ODM;”
70 OUTPUT
718;"AMBPL
ON;"
Initializes spectrum
analym
activates
single-
sweep mode.
Sets trace A to 5000
meoxurement
units, which
is equal to -10
dBm.
Sets trace B to 4000 measurement units, which
is equal to -20
dBm.
Sets display line to 0
dBm,
which is at 6000
measurement units.
&forms
trace A
-
trace B
+
display line. The
result is 5000
-
4000 + 6000 = 7000 or 10 dBm.
Note that this has resulted in a subtraction of
amplitude in
dBm,
-10 dBm -(-20
dBm)
= 10
dBm.
80 OUTPUT
718;"BLANK
TRB;VIEW
TRA;"
90 END
5-60
Programming Commands