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參數資料
型號: L64781
廠商: LSI CORP
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝: PLASTIC, QFP-100
文件頁數: 76/164頁
文件大?。?/td> 2003K
代理商: L64781
Typical Performance
1-7
Figure 1.3
Performance with Additive Write Gaussian Noise
(AWGN)
Figure 1.4 illustrates the target protection ratio of PAL-I into DVB-T. The
point indicated by “carriers coincident about here” shows the point where
the vision carrier of the PAL-I signal lines up directly with one of the
carriers on the ODFM frequency raster.
Figure 1.4
DVB-T Carrier to Co-Channel PAL-I Interference Ratio
for Failure
Figure 1.5 illustrates the maximum level of echo acceptable to the
demodulator. The graph shows that in the selected mode, the
demodulator works without failure inside the guard interval and without
failure signicantly outside it.
25
20
15
10
5
0
1/2 2/3 3/4
5/6 7/8
1/2 2/3 3/4 5/6 7/8
1/2
2/3 3/4 5/6 7/8
QPSK
16-QAM
64-QAM
CIN
(dB)
Measured QEF
Simulated QEF from specication
2
0
2
4
6
8
10
12
2500
1500
500
1500
2500
Less Robust
More Robust
Normal Frequency Offset (Hz)
64 QAM Rate 2/3
16 QAM Rate 3/4
QPSK Rate 1/2
CIN
(dB)
Carriers coincident
about here
l64781.book Page 7 Friday, January 19, 2001 1:28 PM
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相關代理商/技術參數
參數描述
L64782 制造商:未知廠家 制造商全稱:未知廠家 功能描述:L64782 Single-Chip COFDM Receiver
L6480 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:The L6480, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping.
L64801GC-20 制造商:未知廠家 制造商全稱:未知廠家 功能描述:32-Bit Microprocessor
L64801GC-25 制造商:未知廠家 制造商全稱:未知廠家 功能描述:32-Bit Microprocessor
L64801GM-20 制造商:未知廠家 制造商全稱:未知廠家 功能描述:32-Bit Microprocessor
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