L64780 LSI Logic Corporation, L64780 Datasheet - Page 19
L64780
Manufacturer Part Number
L64780
Description
Dvb-t Cofdm Demodulator Technical Manual 2/00
Manufacturer
LSI Logic Corporation
Datasheet
1.L64780.pdf
(126 pages)
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Chapter 2
Architectural Overview
This chapter describes the L64780 architecture and provides a functional
description of each of its components. It contains the following sections:
L64780 DVB-T OFDM Demodulator
Section 2.1, “Demodulator Module Functional Description,” page 2-2
Section 2.2, “Analog-to-Digital Converter (ADC),” page 2-4
Section 2.3, “Automatic Gain Control (AGC),” page 2-4
Section 2.4, “Real-to-Complex Conversion,” page 2-7
Section 2.5, “Fast Fourier Transform (FFT) Block,” page 2-8
Section 2.6, “Time Synchronization,” page 2-8
Section 2.7, “Automatic Frequency Control (AFC),” page 2-10
Section 2.8, “TPS Decoding and Frame Synchronization,” page 2-13
Section 2.9, “Mode Control Logic,” page 2-14
Section 2.10, “Channel Estimation and Equalization,” page 2-15
Section 2.11, “Viterbi Metric Assignment and Quantization,”
page 2-16
Section 2.12, “Symbol Deinterleaver,” page 2-17
Section 2.13, “Bit Deinterleaver,” page 2-17
2-1
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