
438 Chapter 15
W-CDMA Uplink Digital Modulation for Receiver Test
W-CDMA Uplink Concepts
BURST GATE
IN
BNC Input PRACH start trigger. The connector is
used for the PRACH start trigger when
PRACH is selected in the physical channel
setup. The PRACH start trigger instructs
the signal generator to begin the PRACH
pattern.
BASEBAND
GEN REF IN
BNC Input External system clock in. This connector is
used for chip clock input when using
external data clock sources. To use an
external signal source as the data clock
input, press
BBG Chip Clock Ext Int to Ext
or send the appropriate SCPI command.
This clock rate can be multiplied by
setting the
Ext Clock Rate X1 X2 X4 softkey
to either x2 or x4.
10 MHz IN BNC Input 10 MHz reference in.
10 MHz OUT BNC Output 10 MHz reference out.
EVENT 1 BNC Output Signal assigned by user. Default is none.
EVENT 2 BNC Output Signal assigned by user. Default is none.
EVENT 3 AUX I/O Pin 19 Output Signal assigned by user. Default is none.
EVENT 4 AUX I/O Pin 18 Output Signal assigned by user. Default is none.
DATA OUT AUX I/O Pin 7 Output Signal assigned by user. Default is none.
DATA CLOCK
OUT
AUX I/O Pin 6 Output Signal assigned by user. Default is none.
SYMBOL
SYNC OUT
AUX I/O Pin 5 Output Signal assigned by user. Default is none.
Table 15-6 Connector Descriptions for PRACH Mode
Connector
Label
Connector
Type
Input/
Output
Assigned Signal
Kommentare zu diesen Handbüchern