R&S ESU Series - Page 147

R&S ESU Instrument Functions
Analyzer Mode
4.116 Operating Manual 1302.6163.12 - 03
This setting is only effective for the VBW AUTO selection in the main menu.
RBW / VBW
MANUAL
The RBW/VBW MANUAL softkey activates the manual input of the coupling ratio.
The resolution bandwidth/video bandwidth ratio can be set in the range 0.001 to
1000.
Remote command: BAND:VID:RAT 10
This setting is only effective for the VBW AUTO selection in the main menu.
SPAN / RBW
AUTO [50]
The SPAN/RBW AUTO [50] softkey sets the following coupling ratio:
resolution bandwidth = span/50
This coupling ratio is the default setting of the R&S ESU
Remote command: BAND:RAT 0.02
This setting is only effective for the RBW AUTO selection in the main menu.
SPAN / RBW
MANUAL
The SPAN/RBW MANUAL softkey activates the manual input of the coupling ratio.
The span / resolution bandwidth ratio can be set in the range
1 to 10000.
Remote command: BAND:RAT 0.1
This setting is only effective for the RBW AUTO selection in the main menu.
DEFAULT
COUPLING
The DEFAULT COUPLING softkey sets all coupled functions to the default state
(AUTO). In addition, the ratio RBW/VBW is set to SINE [1/3] and the ratio SPAN/
RBW to 50 in the COUPLING RATIO submenu (default setting, COUPLING RATIO
softkey not highlighted).
Remote command: BAND:AUTO ON
BAND:VID:AUTO ON
SWE:TIME:AUTO ON
FILTER TYPE
The FILTER TYPE softkey opens the selection list for different filter types. In the
range up to 30 kHz digital band filters with Gaussian characteristic and filtering with
FFT algorithm can be selected.