R&S ESCI Analyzer - MEAS
1166.6004.12 4.173 E-1
RES BW
The RES BW softkey sets the resolution bandwidth in the menu STATISTIC
FUNCTION
directly without switching to the corresponding menu (BW). The
function of the softkey is identical to the softkey
RES BW MANUAL in the
menu
BW.
For correct measurement of the signal statistics the resolution bandwidth has
to be wider than the signal bandwidth in order to transmit the actual peaks of
the signal amplitude correctly. Video bandwidth is set to 10 MHz automatically
with a statistic function switched on.
IEC/IEEE-bus command:
BAND 3 MHz
NO OF
SAMPLES
The NO OF SAMPLES softkey sets the number of power measurements taken
into account for the statistics.
Please note that the overall measurement time is influenced by the number of
samples selected as well as by the resolution bandwidth set up for the
measurement as the resolution bandwidth directly influences the sampling
rate.
IEC/IEEE-bus command:
CALC:STAT:NSAM <value>
SCALING
DEFAULT
SETTINGS
X-AXIS
RANGE
X-AXIS
REF LEVEL
Y-AXIS
MIN VALUE
Y-AXIS
MAX VALUE
ADJUST
SETTINGS
The SCALING softkey opens a sub menu that allows changing
the scaling parameters for both the x- and the y-axis.
X-AXIS
REF LEVEL
The X-AXIS REF LEVEL softkey changes the level settings of the
instrument and sets the maximum power to be measured.
The function is identical to softkey
REF LEVEL in menu AMPT.
For the
APD function this value is mapped to the right diagram
border. For the
CCDF function there is no direct representation of
this value on the diagram as the x-axis is scaled relatively to the
MEAN POWER measured.
IEC/IEEE command:
CALC:STAT:SCAL:X:RLEV <value>
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