Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 145
LC4.9E AB
9.
9.12.2 Diagram K6, TDA10046 (IC7600)
Figure 9-3 Internal blockdiagram TDA10046
Block Diagram
SADDR(1:0)
spare inp
u
ts
10
SCL
SDA
Fsamp
Δ
Σ
SACLK
I2C
Interface
XIN
SCL_TUN
SDA_TUN
AGC_TUN
V
IM
DIGITAL FRONT-END
AND OFDM
DEMODULATION
GPIO(3:0)
DSP CORE
SYNCHRONISATION
Freq
u
ency, Time, Frame Recovery
FFT Window positioning
TPS decoding
CHANNEL DECODER
V
BER
CBER
CPT_UNCOR
MPEG-TS
(parallel)
CHANNEL ESTIMATION
AND CORRECTION
OFDM Spectr
u
m
Confidence
(I,Q)
Carrier
Recovery
V
IP
XOUT
Time
Recovery
ACI
Filtering
Digital
AGC
Dynamic
TimeShift
FFT
2K/8K
Coarse
Time
Estimator
D
u
al AGC
Δ
Σ
AGC_IF
ANALOG
Time
Interpolation
Freq
u
ency
Interpolation
Partial
Channel
Estimation
CPE
calc
u
lation
Channel
Correction
Confidence
Calc
u
lation
O
u
ter
Forney
Deinterleaver
Inner
Freq
u
ency
Deinterleaver
Bit
Deinterleaver
Descram
b
ler
RS decoder
Demapper
MPEG2
O
u
tp
u
t
Interface
V
iter
b
i
Decoder
A
D
C
PLL
O
S
C
MPEG-TS
(serial)
Δ
Σ
Δ
Σ
Δ
Σ
Δ
Σ
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