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5
STV0361L (DTBR ASSY : IC313)
QQ
3 7 63 1515 0
• COFDM IC
Pin Arrangement (Top view)
Block Diagram
TE
L 13942296513
XTALI
XTALO
INP
INM
AGC2
AGC1
IP0
SCL
SDA
SCLT
SDAT
IP0
OP0
LOCK/OP1
LOCK/OP2
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64
63
62 61 60 59 58 57 56 55
1
DGNDA
2
DVCCA1.8
3
VCCA1.8
GNDA
4
REFM
5
6
REFP
7
VR
8
VCCA3.3
9
INM
10
INP
GNDA
11
12
NOT_RESET
VDD
VDD
13
AGC2
14
GND
15
16
AGC1
17
18
19 20 21 22 23 24 25 26
noise suppression
PLL
noise removal
1k
ADC
Derotator
impedance
Dual
AGC
RF
COFDM demodulator/DVB-T
ADC
level
monitor
2
I
C
Interface
General
purposv
I/Os
and lock
indicators
STV0361
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ao
u163
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2 9
8
54 53 52 51 50 49
TQFP64
STV0361
27 28 29 30 31 32
Q Q
3
6 7
1 3
Impulsive
Impulsive
Adjacent
and Co
Sample rate
channel
converter
suppression
Carrier
recovery
loop
Timing
recovery
loop
Monitoring
BER
monitoring
Constellation
display
Control
Lock
indicators
display
on OP1/OP2
.
DVR-540HX-S
7
9 4
2 8
48
CIQ/HFEC3
47
AUX_CLK
46
GND
45
OP0
44
VDD_3.3
43
LOCK/OP1
42
LOCK/OP2
41
GND
40
ERROR
39
VDD
38
D/NOT_P
37
GND
36
CLK_OUT
35
VDD_3.3
34
D0
33
D1
VDD_3.3: 3.3V output buffer supply
VDD : 1.8V core and input buffer supply
GND : both core and buffer ground
1 5
0 5
8
2 9
9 4
Symbol
EPQ
recovery
auto
loop
loop
Channel
estimation/
FFT
correction
Symbol
de-interleaver
Demapper
Bit
de-interleaver
FEC
Viterbi
decoder
De-interleaver
De-interleaver
Reed-
Solomon
decoder
Descrambler
m
co
TS output
DP, D0 to D7, CLK_OUT
STR_OUT (ERROR)
7
8
9 9
A
B
C
2 8
9 9
D
E
F
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