
3-30 Fully Coded 3GPP W-CDMA Personality User’s and Programming Guide
Softkey Reference ESG Family Signal Generators
F Option 200
Filter BbT
This key allows you to change the bandwidth-multiplied-by-bit-time
product value. The entered BbT filter value for the Gaussian filter
appears in the active entry area of the display. The
Filter BbT key
appears in several locations.
The BbT value is set to 0.300 at the factory. This value can be
user-defined. The value is not affected by an instrument preset or
power cycle.
Range: 0.000 to 1.000
NOTE The Filter BbT softkey appears only after you choose a Gaussian filter. If
a root Nyquist or Nyquist filter is in use, you will see
Filter Alpha. If any
other filter is selected, you will see a
Filter Factor N/A softkey
(grayed-out).
Select Menu
Softkey Location (Downlink):
Mode > CDMA > W-CDMA > BS Setup >
Filter >
Edit Item > Select > Gaussian > Filter BbT
Softkey Location (Uplink): Mode > CDMA > W-CDMA > Link Up >
UE Setup > Filter > Edit Item > Select > Gaussian > Filter BbT
Load Default FIR Menu
Softkey Location (Downlink):
Mode > CDMA > W-CDMA > BS Setup >
Filter >
Edit Item > Define User FIR > Load Default FIR > Gaussian >
Filter BbT
Softkey Location (Uplink): Mode > CDMA > W-CDMA > Link Up >
UE Setup > Filter > Edit Item > Define User FIR > Load Default FIR >
Gaussian > Filter BbT
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