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零件编号
产品描述 (功能)
CXD1961AQ 查看數據表(PDF) - Sony Semiconductor
零件编号
产品描述 (功能)
生产厂家
CXD1961AQ
DVB-S Frontend IC (QPSK demodulation + FEC)
Sony Semiconductor
CXD1961AQ Datasheet PDF : 33 Pages
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CXD1961AQ
Block Diagram
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
AVS0 1
RB0 2
V
DD
0 3
V
SS
0 4
TEST1 5
TEST2 6
TEST3 7
TEST4 8
NC 9
V
DD
1 10
V
SS
1 11
SDAT/SCL 12
SCLK 13
SEN/SDA 14
V
DD
2 15
V
SS
2 16
TCK 17
TMS 18
TEST6 19
TEST7 20
CK8OUT 21
RESET 22
TE 23
V
DD
3 24
V
SS
3 25
PKTCLK 26
BYTCLK 27
PKTERR 28
DATA0 29
DATA1 30
analog I/O
Sampling
2ch ADC
Clock
VCO
PLL
QPSK
Demodulator
Viterbi Decoder
NCO
De-interleaver
Reed-Solomon
Decoder
Energy Dispersal
decoded data
& clock
CPU I/F
I
2
C bus
80 V
DD
9
79 CR7
78 CR6
77 CR5
76 CR4
75 V
SS
8
74 V
DD
8
73 CR3
72 CR2
71 CR1
70 CR0
69 CKV
68 AGCPWM
67 V
SS
7
66 V
DD
7
65 VCK
64 VDT
63 XI
62 XO
61 AVS3
60 AVD3
59 SDA
58 SCL
57 TEST22
56 TEST21
55 TEST20
54 V
SS
6
53 V
DD
6
52 TEST19
51 TEST18
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
Typical Block Diagram
LNB
SAW
VCO
PLL
Reference
Amp
I/Q
detector
LPF
LPF
479.5MHz
90°
OSC
Micro Controller
–2–
QPSK + FEC
SONY
CXD1961AQ
Data
Clock
LPF
Crystal
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