Rockwell SoniCrafter BT8960 User Manual
15
N8960DSB
2.0 Functional Description
2.1 Transmit Section
The transmit section is illustrated in Figure 2-1. It comprises four major func-
tions: a symbol source selector/scrambler, a variable gain digital-to-analog con-
verter (DAC), a pulse-shaping filter, and a line driver.
tions: a symbol source selector/scrambler, a variable gain digital-to-analog con-
verter (DAC), a pulse-shaping filter, and a line driver.
Figure 2-1. Transmit Section Block Diagram
Transmit
Channel Unit
Interface
Symbol
Variable-Gain
Line
Driver
Control
Registers
External
RC Filter
RC Filter
TQ[1,0]
TXP
TXN
TXN
Isolated Pulses
Detector Loopback
Ones (1s)
Source/
Scrambler
Pulse-
Shaping
Filter
DAC