參數(shù)資料
型號: L64777
廠商: LSI CORP
元件分類: 消費(fèi)家電
英文描述: Digital Video Broadcasting(DVB)-Compliant,quadrature amplitude modulation (QAM)Modulator(數(shù)字視頻廣播系統(tǒng)適配的積分調(diào)幅調(diào)制器)
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP120
封裝: 32 MM, PLASTIC, QFP-120
文件頁數(shù): 111/124頁
文件大?。?/td> 988K
代理商: L64777
L64777 DVB QAM Modulator Technical Manual
B-1
Appendix B
PLL Divider Settings
and L64724/34
Connection
This appendix lists the PLL divider settings for typical applications. It also
describes the L64777 connection to the L64724 and contains the
following sections:
Section B.1, “Overview,” page B-1
Section B.2, “PLL Driver Settings for Typical Applications,” page B-2
Section B.3, “Connecting the L64777 to the LSI Logic L64724,”
page B-3
B.1 Overview
The QAM modulator is the last stage in a digital CATV transmitter
system. Figure B.1 shows a block diagram of a typical CATV transmitter.
Figure B.1
CATV Block Diagram
Video
Source
MPEG-2
Transport
Decoder
QAM
Modulator
Mixer
Satellite
Receiver
RF
Source
Power
Amplifier
To CATV
Antenna
QAM
Modulator
Mixer
RF
Source
Power
Amplifier
To CATV
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