RIGOL
Chapter 5 Functions of the Front Panel of VSA
5-30 RSA3000E User Guide
self-define 6 reference filters. After selecting one from Data 1 through Data 6 in the
"User Defined" filter, you can view the current data in the pop-up User Define Filter
window.
Click the "Apply" button or the Apply menu to select the user filter; click the
"Cancel" button or Cancel menu to deselect the user filter.
Preset To Standard
Selects the preset digital demodulation setup parameters and span to measure a
variety of standard digital communications formats. The following standard presets
are available:
Wireless Networking: Bluetooth.
Other: DECT and APCO-25.
Alpha/BT
This parameter determines the characteristics of the Raised Cosine, Root Raised
Cosine, and Gaussian filters used by the analyzer's digital demodulator. These
characteristics apply to the measurement filter and the reference filter. The available
range is from 0.05 to 100.
Burst/Sync Search
Selects the search parameters for the current measurement.
1.
Burst Search Length
Sets the length of time for the burst search. This menu is available only when
the burst search function is enabled.
2.
Burst Search Run-In
Sets the length of the interference signal that needs to be removed after
searching the pulse rising edge. The unit is symbol. This menu is available only
when the burst search function is enabled.
3.
Burst Search
Enables or disables the burst search function.