參數(shù)資料
型號: TDA8046H
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: Multi-mode QAM demodulator
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
文件頁數(shù): 22/48頁
文件大小: 245K
代理商: TDA8046H
1996 Nov 19
22
Philips Semiconductors
Product specification
Multi-mode QAM demodulator
TDA8046
7.1.10.2
Demapping scheme 2; direct translation
Fig.20 Demapping scheme 2; bit allocation: 256-QAM.
Bit allocation for 256-QAM: b7, b6, b5, b4, b3, b2, b1, b0.
handbook, full pagewidth
MGG195
I
Q
b6
b7
b5 b4
b3
b2
b1
b0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
0 0 0 0
0 0 0 1
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 1
1 1 0 0
1 1 0 1
1 1 1 0
1 1 1 1
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