Contents
Chapter 1
Chapter 2
Introduction
1.1
1.2
Overview
1-1
1-2
Operating Environment
Modulator Architecture
2.1
2.2
Introduction
PLL Modes
2-2
2-4
2.2.1
2.2.2
I/O
PLL Mode 1
2-4
PLL Mode 2
2-5
2.3
2.4
2-6
2.3.1
2.3.2
2.3.3
2.3.4
Input
2-6
Output Signals
2-6
Control Interface
Serial Microprocessor Interface
2-8
2-10
2-10
2-13
2-14
2-16
2-17
2-18
2-18
2-18
2-20
2-21
2-22
2-23
2-24
2-26
2-27
Input Synchronization
2.4.1
2.4.2
Sync Acquisition Phase
Sync Tracking Phase
2.5
2.6
FIFO Clock Conversion
Sync/EF Reinsertion Unit
2.6.1
2.6.2
2.6.3
Sync Insertion Mode
Error Flag Insertion
Energy Dispersal (Scrambler) Unit
2.7
Reed-Solomon Encoder
2.7.1
2.7.2
Forward Error Correction (FEC)
Error Handling and Correction
2.8
2.9
Convolutional Interleaver
Bytes to M-tuples Converter
2.10 Differential Encoder and QAM Mapping
2.11 Square Root Nyquist Filter
Contents
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