W-CDMA Uplink (PRACH)
Buttons
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This button indicates that the current real-time settings have been applied to the instrument—no action is required. This button is not available when the Apply Needed button is active. |
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This button displays in place of the Setting Current button. It indicates that the instrument settings are not current and need to be updated with the new software settings. Click this button to update the instrument's settings. |
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Begins the PRACH transmission. This button is active when the PRACH Start Trigger Source is set to Trigger in the PRACH node. [:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PRACh:TRIGger[:SEND] |
1. General Settings
Channel Configuration Mode
Choice: DPCCH/DPDCH | PRACH | CELL_FACH
Default: DPCCH/DPDCH
Double-click or use the drop-down menu to set the channel configuration mode.
[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PHYSical[1]:TYPE PRACh|DPCCh|CFACh
[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:PHYSical[1]:TYPE?
Filter Type
Choice: Root Nyquist | Nyquist | Gaussian | Rectangle | IS95 | IS95 w/EQ | IS95 Mod | IS95 Mod w/EQ | APCO 25 C4FM | UN3/4 GSM Gaussian | User FIR Filter | User File
Default: Root Nyquist
Set the filter type by clicking on the cell. Then click on the dialog box icon 
to launch the 
Filter Setup dialog box.
See Filter Setup, for descriptions of the various filter selections and how to use this dialog box.
[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:FILTer RNYQuist|NYQuist|GAUSsian|RECTangle|IS95|IS95_EQ|IS95_MOD|IS95_MOD_EQ|AC4Fm|UGGaussian|PATTern|"<user_FIR>"
[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:FILTer?
If you select RNYQuist, NYQuist, or GAUSsian, use the following commands to create the pattern:
[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:FILTer:ALPHa <val>
[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:FILTer:ALPHa?
[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:FILTer:BBT <val>
[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:FILTer:BBT?
[:SOURce]:RADio:WCDMa:TGPP[:BBG]:ULINk:FILTer:CHANnel EVM|ACP