Rohde & Schwarz R&S FSP Series, Operating Manual

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R&S FSP Instrument Functions
Analyzer Mode
4.100 Operating Manual 1164.4556.12 - 06
➢
Select the user standard you just created with SELECT USER STD
➢
Change the offset
➢
Save the user standard again to keep the current settings.
Remote command:
POW:ACH:PRES:RLEV:OFFS 10dB
SELECT TRACE The SELECT TRACE softkey selects the trace on which the CP/ACP measurement
is to be performed. Only activated traces can be selected, i.e. traces not set to
BLANK.
Remote command:
SENS:POW:TRAC 1
Examples
Measurement of adjacent-channel power for a specific standard:
The adjacent-channel power is to be measured for a signal at 800 MHz with 0 dBm
level in line with IS136.
[
PRESET ] Set the R&S FSP to the default setting.
[ FREQ : CENTER : 800
MHz ]
Set the center frequency to 800 MHz.
[ AMPT : 0 dBm ] Set the reference level to 0 dBm.
[ MEAS ] Call the menu for the measurement functions.
[ CHAN PWR / ACP ] Select the channel and adjacent-channel power measure-
ment function. The measurement is performed with the
default settings or a previously defined setting. The sub-
menu for setting the desired new configuration is opened.
[ CP/ACP STANDARD :
select IS136: ENTER ]
Select the NADC (IS136) standard.
[ CP/ACP CONFIG ] Call the submenu for configuration of the adjacent-channel
power measurement.
[ NO. OF ADJ CHAN : 2
ENTER ]
Select two adjacent channels for the measurement, i.e.
the adjacent channel and the alternate channel are mea-
sured.
[ ADJUST SETTINGS ] Set the optimum span, resolution bandwidth (RBW), video
bandwidth (VBW) and detector automatically for the mea-
surement. The absolute channel power and the relative
power of the adjacent channels are displayed on the
screen.
Change to the main menu for channel power measure-
ment.
[ ADJUST REF LVL ] Set the reference level equal to the channel power mea-
sured.
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