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參數(shù)資料
| 型號： | L64767 |
| 廠商： | LSI CORP |
| 元件分類： | 消費家電 |
| 英文描述： | SMATV（Satellite Master Antenna Television） QAM Encoder(衛(wèi)星主天線電視正交振幅調制編碼器) |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | MQUAD-100 |
| 文件頁數(shù)： | 3/32頁 |
| 文件大小： | 298K |
| 代理商： | L64767 |
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L64767 SMATV QAM Encoder
3
In addition to the processing chain, the L64767 provides:
Global control and synchronization components
Microprocessor interface for configuring and monitoring internal
registers
Test scan chain
The L64767 can accept byte-parallel or bit-serial input and provides
flexible input synchronization support. It can automatically search for a
digital video broadcasting (DVB) or user-programmable 8-bit sync code.
Alternatively, the L64767 can use an external frame start signal to
indicate the beginning of a frame for input synchronization. By inserting
the Reed-Solomon (RS) check words into the circular FIFO buffer, the
device can also use an MPEG-2 input stream without gaps, or operate
on packets with gaps for RS check words.
The length of sync words and sync blocks is user-programmable, and
sync information can be reinserted as needed. The L64767 also provides
an error indication bit for MPEG-2 transport packet errors. Using this bit,
error flags from a preceding device can be properly inserted in the
MPEG-2 transport stream.
The L64767 can process quadrature amplitude modulation (QAM) levels
of 16, 32, 64, 128, and 256. The QAM level is user-programmable.
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| L64777 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:L64777 DVB QAM Modulator technical manual 6/00 |
| L64780 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:L64780 DVB-T COFDM Demodulator technical manual 2/00 |
| L64781 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Chip COFDM Receiver |
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