参数资料
型号: L64781
厂商: LSI CORP
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封装: PLASTIC, QFP-100
文件页数: 74/164页
文件大小: 2003K
代理商: L64781
Features
1-5
Guard intervals of 1/4, 1/8, 1/16, 1/32
6, 7, and 8 MHz with xed, or variable, IF1
1.5 Features
The L64781 features include:
DVB-T compliance
Internal or external 10-bit ADC
Digital real-to-complex conversion
Spectrum inversion
2 K or 8 K FFT size
Analog or digital loop with digital timing synchronization
Analog or digital loop with digital frequency synchronization
Analog loop with digital power gain control
Common phase-error correction
High-order lter for frequency interpolation
Automatic TPS mode switching
Automatic frame detection
Use of channel state information for protection against multipath and
interference
Programmable Viterbi decoder module for the following rates: 1/2,
2/3, 3/4, 5/6, 7/8
Reed-Solomon decoder (204, 188)
Programmable synchronization for the deinterleaver, Reed-Solomon
decoder, and descrambler
Bit-error monitoring for channel performance measurements
Serial host interface compatible with LSI Logic serial control bus
interface
Serial and parallel MPEG-2 transport stream interface
1. Fixed means a single IF for every bandwidth equal to 4.57 MHz; variable is the practical IF
frequency for each bandwidth (4.57 MHz * bandwidth/8).
l64781.book Page 5 Friday, January 19, 2001 1:28 PM
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