參數(shù)資料
型號: L64780
廠商: LSI Corporation
英文描述: DVB-T COFDM Demodulator(對地數(shù)字視頻廣播 正交編碼頻率分割多路處理解調(diào)器)
中文描述: 的DVB - T COFDM解調(diào)器(對地數(shù)字視頻廣播正交編碼頻率分割多路處理解調(diào)器)
文件頁數(shù): 16/126頁
文件大?。?/td> 953K
代理商: L64780
1-6
Introduction
1.4 Modes of Operation
The L64780 supports all the modes of the DVB-T specification, including:
2 K and 8 K FFT sizes
Nonhierarchical QPSK, 16 QAM, and 64 QAM constellations
Hierarchical 16 QAM and 64 QAM constellations
Constellation scale factors
α
= 1, 2, and 4
Code rates of 1/2, 2/3, 3/4, 5/6, and 7/8
Guard intervals of 1/4, 1/8, 1/16, and 1/32
1.5 Features
The L64780 features include:
DVB-T compliance
Internal or external DAC
Digital real-to-complex conversion
Spectrum inversion
2 K or 8 K FFT size
Rapid time synchronization
Rapid frequency synchronization
Common phase error correction
High-order filter for frequency interpolation
Automatic mode switching
Automatic frame detection
Use of channel state information for protection against multipath and
interference
3- or 4-bit soft decision outputs
Analog or digital AFC
AGC
相關(guān)PDF資料
PDF描述
L652DU12RE 128 Megabit (16 M x 8-Bit) CMOS 3.0 Volt-only Uniform Sector Flash Memory with VersatileIO⑩ Control
L652DU12RF 128 Megabit (16 M x 8-Bit) CMOS 3.0 Volt-only Uniform Sector Flash Memory with VersatileIO⑩ Control
L652DU12RI 128 Megabit (16 M x 8-Bit) CMOS 3.0 Volt-only Uniform Sector Flash Memory with VersatileIO⑩ Control
L652DU12RK 128 Megabit (16 M x 8-Bit) CMOS 3.0 Volt-only Uniform Sector Flash Memory with VersatileIO⑩ Control
L652DU90RF 128 Megabit (16 M x 8-Bit) CMOS 3.0 Volt-only Uniform Sector Flash Memory with VersatileIO⑩ Control
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