BW Key - Receiver R&S ESCI
1166.6004.12 4.14 E-2
QP RBW
UNCOUPLED
The QP RBW UNCOUPLED softkey cancels the coupling
of the IF bandwidth to the frequency range with activated
quasi peak detector.
If the coupling is cancelled, any of the three CISPR
bandwidths 200 Hz, 9 kHz, 120 kHz can be selected for a
given frequency range.
IEC/IEEE-bus command BAND:AUTO ON
FILTER
TYPE
The FILTER TYPE softkey opens a list of available filter
types. Gaussian bandpass filters of 3 dB and 6 dB
bandwidth as well as channel filters are available.
FILTER TYPE
NORMAL (3dB)
NORMAL (6dB)
CHANNEL
RRC
NORMAL(3dB) The resolution bandwidths are
implemented by Gaussian filters with the set
3 dB bandwidth and correspond approximately
to the noise bandwidth. For bandwidths up to
100 kHz, digital bandpass filters are used.
IEC/IEEE-bus command BAND:TYPE NOIS
BAND:TYPE NORM
NORMAL(6dB) The resolution bandwidths are
implemented by Gaussian filters with the set
6 dB bandwidth and correspond approximately
to the pulse bandwidth. For bandwidths up to
120 kHz, digital bandpass filters are used.
IEC/IEEE-bus command BAND:TYPE PULS
Moreover, several particularly steep-edged channel filters
are available for power measurements.
There are two types of filter:
CHANNEL = steep-edged channel filters
IEC/IEEE-bus command: BAND:TYPE CFIL
RRC = Root R
aised Cosine filters
IEC/IEEE-bus command: BAND:TYPE RRC
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