參數(shù)資料
型號: L64777
英文描述: L64777 DVB QAM Modulator technical manual 6/00
中文描述: L64777的DVB QAM調(diào)制器技術(shù)手冊6 / 00
文件頁數(shù): 39/124頁
文件大?。?/td> 988K
代理商: L64777
Bytes to M-tuples Converter
2-25
Figure 2.16 Symbol Cutting From Bytes
The general control unit feeds packets of eight bytes and a valid indicator
to the convertor. Thus, the conversion is as shown in Figure 2.17.
Figure 2.17 Byte to Symbol Conversion
b7
b6
b5
b4
b3
b2
b1
b0
b7 b6
b5
b4
b3
b2
b1
b0
b7
b6
b5
b4
b3
b2
b1
b0
Byte N
Byte N + 1
Byte N + 2
b3 b2
b1
b0
b3
b2
b1
b0
b3 b2
b1
b0
b3
b2
b1
b0
b3
b2
b1
b0
b3
b2
b1
b0
b5
b4
b3
b2
b1
b0
Symbol t
m = 6
Symbol t
Symbol t + 1
Symbol t + 1
Symbol t + 2
Symbol t + 3
Symbol t + 2
Symbol t + 3
Symbol t + 4
Symbol t + 5
b5
b4
b3
b2
b1
b0
b5
b4
b3
b2
b1
b0
b5
b4
b3
b2
b1
b0
m = 8
m = 4
Time
B
B
B
B
B
m = 5
Bit 4
Bit 3
Bit 0
Bit 1
Bit 2
B
B
B
B
m = 4
Bit 0
Bit 1
Bit 2
Bit 3
B
B
B
B
B
m = 7
Bit 4
Bit 3
Bit 0
Bit 1
Bit 2
B
B
B
B
B
m = 6
Bit 4
Bit 3
Bit 0
Bit 1
Bit 2
Time
B
B
B
B
B
m = 8
Bit 4
Bit 3
Bit 0
Bit 1
Bit 2
Bit 5
Bit 6
Bit 7
B
B
B
Bit 5
Bit 6
B
B
B
Bit 5
Byte-to-Symbol
Conversion
相關(guān)PDF資料
PDF描述
L64777 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)
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