CE4 Convert to Absolute Units

CTA

Convert to Absolute Units

Converts the source values from measurement units to the current absolute amplitude units
and then stores the result in the destination.
Syntax
CTA
7
destination
,-
Source
‘7
b
number
/
b
predefined variable
/
-user-defined
variable)
b
predefined function
/
XCTA
Item Description/Default
User-defined variable A variable
defined
by VARDEF or ACTDEF commands.
Number Any valid integer number.
Predefined variable
A command that acts as a variable. Refer to Table 5-I.
Predefined function
Function that return a value. Refer to
lhble
5-l.
Range
Any valid variable
name.
-32,768 to
+32,767.
Prerequisite Commands: ACTDEF or VARDEF when using a user-defined variable.
Related Commands:
AUNITS,
LG, LN, RL.
Example
10 OUTPUT
718;"VARDEF
C-ONLV,O;"
20 OUTPUT
718*"LG."
30 OUTPUT
718;"RL'-10DB;"
40 OUTPUT
718;"CTA
C-ONLV,
8000;"
50 OUTPUT
718;"RL
-2ODB;"
60 OUTPUT
718;"CTA
C_ONLV,8000;"
70 OUTPUT
718;"C_ONLV?;"
80 ENTER 718;A
90 DISP A
100 END
Declares a variable called
C-ONLY;
Puts the spectrum analyzer in log
mode.
Changes the reference level.
Stores -10 in
C-ONLY
Changes the
refwence
level.
Stores -20 in
C-ONLY?
Programming Commands
5-121