ESG-D Series Option H98 Signal Generators Programming Information
Wideband CDMA Subsystem SCPI Command Reference
Manual Supplement 5-15
Multicode Type
[:SOURce]:RADio:WCDMa[:BBG]:ULINK:MCOD[1]:TYPE DA|UPCH
[:SOURce]:RADio:WCDMa[:BBG]:ULINK:MCOD[1]:TYPE?
Execute this command to select the multicode type. The following multicode types are
assigned by appending the
[:SOURce]:RADio:WCDMa[:BBG]:ULINK:MCOD[1]:TYPE
command with one of the following variables:
DA Sets the multicode type to a Dedicated Traffic Channel plus Associated
Control Channel (DTCH+ACCH).
UPCH Sets the multicode type to a User Packet Traffic Channel (UPCH).
Status after *RST: DTCH+ACCH
Perch1 Operating State
[:SOURce]:RADio:WCDMa[:BBG]:DLINK:PERCh[1][:STATe] ON|OFF|1|0
[:SOURce]:RADio:WCDMa[:BBG]:DLINK:PERCh[1][:STATe]?
Execute this command to toggle the operating state of the Perch1 logical channel for
synchronization. The Perch1 channel can be enabled alone, with any combination of the
Perch2 channel and channel 1, or it can be turned off. A short code of C8(0) is
automatically assigned to the Perch1 channel. The W-CDMA mode must be activated in
order for this signal to be generated.
Choices:
ON (1) or OFF (0)
Status after *RST: On
Figure 5-1 Perch1(BCCH) Frame
All fields in the Perch1 (BCCH) frame are selectable except:
• SFN in increment mode, which increments by 2 every 20 milliseconds,
• CRC, which is computed based on all fields plus the SFN value.
The Perch1 (BCCH) frame is made up of the following fields:
• BI: BCCH Identification Bit, selectable
• Tx Power: Transmit Power Indicator, selectable
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