ESG-D Series Option H98 Signal Generators Softkey Reference
Wideband CDMA Softkeys
Manual Supplement 4-17
Figure 4-1 Perch1(BCCH) Frame
All fields in the Perch1 (BCCH) frame are selectable except:
• SFN, 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
• SFN: System Frame Number Fixed Value, selectable
• UpLink: Base Station Measured Uplink Interference Power Amount,
selectable
• W: Message Confirmation Indicator Bits, selectable
• Data: BCCH Data Field, selectable
• CRC: Cyclic Redundancy Check
• Tail: 8 Bits; All Zeros.
Softkey Location:
Mode > Wideband CDMA > Perch Setup > Perch1 Off On
Choices: Off or On
Status after Normal Preset: On
SCPI Command and Command Query:
[:SOURce]:RADio:WCDMa[:BBG]:DLINK:PERCh[1][:STATe]
ON|OFF|1|0
[:SOURce]:RADio:WCDMa[:BBG]:DLINK:PERCh[1][:STATe]?