參數(shù)資料
型號(hào): TDA10045
廠商: NXP Semiconductors N.V.
英文描述: DVB-T channel receiver
中文描述: DVB - T通道接收器
文件頁(yè)數(shù): 4/20頁(yè)
文件大?。?/td> 94K
代理商: TDA10045
2
4
P
P
D
T
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B
h
MPEG-2
OUTPUT
INTERFACE
INNER
FREQUENCY
DE-INTERLEAVER
AND DE-MAPPER
OUTER
FORNEY
DE-INTERLEAVER
DSP CORE
SYNCHRONIZATION
FREQUENCY, TIME, FRAME, RECOVERY
FFT WINDOW POSITIONING
TPS DECODING
BIT
DE-INTERLEAVER
CBER
MGU414
VBER
CHANNEL DECODER
CPT_UNCOR
spare inputs
optional
3* 10
DESCRAMBLER
3 SPARE
Σ
SP_IN(1:0)
SCL_EEP
SDA_EEP
SCL_TUN
SDA_TUN
SCL
SDA
DS_SPARE(3:1)
I
2
C-BUS
INTERFACE
RS
DECODER
COARSE
TIME
ESTIMATOR
TIME
RECOVERY
(NCO)
BASEBAND
CONVERSION
Σ
AGC
VAGC
A
D
C
PLL
XIN
SACLK
analog IF
(VIM, VIP)
digital IF
FI (9:0)
FFT
COFDM
spectrum
CARRIER
RECOVERY
DIGITAL FRONT-END
AND COFDM
DEMODULATION
TDA10045H
CHANNEL ESTIMATION
AND CORRECTION
CPE
CALCULATION
PARTIAL CHANNEL
ESTIMATION
TIME
INTERPOLATION
FREQUENCY
INTERPOLATION
CONFIDENCE
CALCULATION
confidence
frequency response
(I,Q)
constellation
CHANNEL
CORRECTION
VITERBI
DECODER
10
10
fs
2fs
Fig.1 Block diagram.
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