3 IQ Analyzer (Basic) Mode
3.1 Complex Spectrum Measurement
Dependencies GAUSsian and FLATtop are available in all DIF configurations. The other filter types are only
available when Option DP2, B40, or wider IF Bandwidth option is installed
When you select a filter type that is not GAUSsian or FLATtop when using Option B40, B85, B1A,
or B1X WBDIF, but then either explicitly select an IF Path Selection of 10 MHz/25 MHz B10M/B25M
or set a Digital IF BW equal to or narrower than 25 MHz with IF Path Selection AutoON, the default
filter type (FLATtop) is selected automatically. If you then again set the IF Path Selection to 85 MHz
B85, 125 MHz B125M, or 140 MHz B140M, the filter type remains as FLATtop
Couplings See the description above
Preset
FLAT
State Saved Yes
Range
GAUSsian|FLATtop
When Option DP2, B40, or wider IF Bandwidth option is installed, the range is as follows:
GAUSsian|FLATtop|SNYQuist|RSNYquist|RCOSine|RRCosine
Backwards
Compatibility SCPI
Not supported in STReaming measurement
[:SENSe]:SPECtrum:BANDwidth:PFFT:TYPE
[:SENSe]:SPECtrum:BWIDth:PFFT:TYPE
[:SENSe]:SPECtrum:BANDwidth|BWIDth:IF:SHAPe
[:SENSe]:SPECtrum:WBIF:FILTer[:TYPE]
Filter BW
Only available when Option DP2, B40, or wider IF Bandwidth option is installed.
Remote Command Complex Spectrum:
[:SENSe]:SPECtrum:DIF:FILTer:BANDwidth <freq>
[:SENSe]:SPECtrum:DIF:FILTer:BANDwidth?
Streaming:
[:SENSe]:STReaming:DIF:FILTer:BANDwidth <freq>
[:SENSe]:STReaming:DIF:FILTer:BANDwidth?
Example
:SPEC:DIF:FILT:BAND 1MHz
:SPEC:DIF:FILT:BAND?
Dependencies Only available when Option DP2, B40, or wider IF Bandwidth option is installed. Disabled when "Filter
Type" on page 237 is FLATtop
Couplings Sets the same value as the current Digital IF BW value upon a preset or when Channel Filter
Bandwidth Auto is ON
Preset Same value as Digital IF BW
State Saved Yes
Min 10 Hz
Max Clipped to the current Digital IF Bw value
IQ Analyzer Mode User's &Programmer's Reference 238
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