RS8973 Mindspeed Technologies, RS8973 Datasheet - Page 25

• Manufacturer Part Number: RS8973
• Description: Single-chip Sdsl/hdsl Transceiver
• Manufacturer: Mindspeed Technologies

Figure 2-1. Transmit Section Block Diagram
N8973DSD
TQ[1,0]
Detector Loopback
Isolated Pulses
Ones (1s)
Channel Unit
Interface
Transmit
2.0 Functional Description
2.1 Transmit Section
The transmit section block diagram is shown in
major functions: a symbol source selector/scrambler, a variable gain
digital-to-analog converter (DAC), a pulse-shaping filter, an analog CT
reconstruction filter, and a line driver.
Scrambler
Source/
Symbol
Preliminary Information
Variable-Gain
Conexant
DAC
2
Shaping
Registers
Pulse-
Control
Filter
Reconstruction
Analog CT
Figure
Filter
2-1. It comprises five
Driver
Line
TXP
TXN
2-1