Specifications

MEASurement Instructions
FETCh[1|2][:SCALar][:POWer:AC]:RELative? [<expected_value>[,<resolution>[,<source list>]]]
2-24 Agilent E4418B/E4419B Programming Guide
FETCh[1|2][:SCALar][:POWer:AC]:RELative?
[<expected_value>[,<resolution>[,<source list>]]]
This command sets the specified window’s measurement function to single
channel with relative mode on, recalculates the measurement and places
the results on the bus. The result is a ratio based measurement and is
expressed in the units defined by UNIT[1|2]:POWer:RATio. The relative
value used is that set by the CALCulate:RELative:MAGNitude:AUTO
command.
Syntax
Parameters
Refer to “The Optional Parameters”, on page 2-3 for additional details on
the parameters in this command.
Item Description/Default Range of Values
expected_value
(for the
expected power
level)
The expected power level
parameter can be set to DEF or a
numeric value. If a value is
entered it should correspond to
that set by CONFigure otherwise
an error occurs. The units of
measurement are dBm and W. The
default units are defined by
UNIT:POWer. The default value is
+20 dBm.
sensor dependent
DEF
1
FETC 1
2
:POW
:AC
?:SCAL
:REL
Space
expected_value
DEF
resolution
,
DEF
source list
,
prog.book Page 24 Thursday, June 7, 2001 2:55 PM