Circuit Diagrams and PWB Layouts
10.
10-1-16
DVB T2 Demodulator MN88472
19230_515_120207.eps
120207
DVB T2 Demodulator MN88472
B16
B16
2011-12-19
2
715G5155
DVB T2 Demodulator
MN88472
Vo=1.25 x (1+1R/120R) = 1.26V
ANALOG POWER 1V2 form AVDD3V3
C1515
1uF 16V
CSEL0
Parallel_TSCLK
AGC_R
T2_RFAGC
Parallel_TSDATA2
Parallel_TSDATA1
Parallel_TSDATA0
Parallel_TSDATA3
Parallel_TSDATA7
Parallel_TSDATA6
Parallel_TSDATA5
Parallel_TSDATA4
Parallel_TSSY NC
Parallel_TSVALID
T2_TSCLK
3
V
3
_I
O
DVB-T2 parallel TS to MT5135
88471_INT
88
471_I
N
T
T2_TSVALID
T2_RESET
OSCL2
OSDA2
T2_TUNER_SDA
1V2
T2_AINN
3
V
3
_LM
T2_AINP
T2_TSSY NC
AGC
_I
T
2_OXT
ALI
T2_IFAGC
AGC_I
T2_TUNER_SCL
3
V
3
_I
O
T2_IFAGC
Parallel_TSSY NC
1V2
OSDA2
OSCL2
T2_AINN
T2_AINP
1V2
88471_TEST3
1V2
Demodulator I2C
T2
_
T
S
VALI
D
3V3_IO
T2
_
T
SS
YN
C
88471_SADR
T2
_
T
S
DA
TA
1
T2
_
T
S
DA
TA
0
T2
_
T
S
CL
K
T2_OXTALO
T2_OXTALI
T2
_
T
S
DA
TA
2
T2_TSDATA4
T2_TSDATA3
T2_TSDATA6
T2_TSDATA5
1V2
88471_SADR
T/C/T2_TUNER_SDA
T2_TSDATA7
T/C/T2_TUNER_SCL
T2_DEMOD_SDA
T2_DEMOD_SCL
1V2
AGC_R
T2_TSDATA1
T2_TSDATA0
Parallel_TSDATA3
T
2_OXT
ALO
3V3_AD
T2_RFAGC
Parallel_TSDATA1
Parallel_TSDATA0
T2_TSDATA3
T2_TSDATA2
Parallel_TSVALID
Parallel_TSDATA2
3V3_IO
1V2
T2_DEMOD_SDA
T2_TUNER_SDA
T2_TUNER_SCL
1V2
T2_DEMOD_SCL
T/C/T2_TUNER_SDA
T/C/T2_TUNER_SCL
Parallel_TSCLK
1V2
From MT5366
I2C to TUNER
T2_TSDATA4
88
471_T
E
S
T
3
Parallel_TSDATA5
Parallel_TSDATA4
T2_TSDATA7
Parallel_TSDATA7
T2_TSDATA6
T2_TSDATA5
Parallel_TSDATA6
3
V
3
_LM
T2_RESET
R1512
NC/4K7 1/10W 5%
C1537
10UF 10V
R1520
4K7 1/10W 5%
R1518
0R05 1/16W
R1511
NC/4K7 1/10W 5%
1
2
3
4
8
7
6
5
RP1500
47 OHM 1/16W 5%
C1531
10N 50V
R1510
10K 1/16W 5%
C1544
NC/10PF 50V
C1546
100N 16V
C1523
100N 16V
R1269
0R05 1/10W
R1526
0R05 1/16W
VIN
3
GN
D
1
VOUT
2
TH
4
U1007
G1117T63Uf
C1521
100N 16V
R1515
NC/4K7 1/16W 5%
C1542
NC/10PF 50V
R1522
0R05 1/10W
C1543
10N 50V
C1525
NC/18pF 50V
C1524
NC/18pF 50V
R1531
0R05 4A 1/4W
C1518
100N 16V
R1270
0R05 1/10W
C1535
100N 16V
1
2
3
4
8
7
6
5
RP1501
47 OHM 1/16W 5%
R1532
0R05 4A 1/4W
C1538
100N 16V
C1547
10UF 10V
C1527
1uF 16V
C1540
10N 50V
R1514
4K7 1/10W 5%
C1519
100N 16V
C1504
10N 50V
C1514
NC/100N 16V
R1524
0R05 1/16W
C1529
10N 50V
TSDO3
1
TSDO4
2
TSDO5
3
VSS1
4
TSDO6
5
VDDH1
6
TSDO7
7
VDDL1
8
SADR
9
VSS2
10
SCL
11
SDA
12
VDDL2
13
NRST
14
CSEL0
15
GPO(CSEL1)
16
V
SS3
17
INT
1
8
V
DDL
3
19
TE
S
T0
20
S
H
VPP
21
TE
S
T1
22
S
HV
DDH
2
3
TE
S
T2
24
V
DDL
4
25
TE
S
T
3
26
V
SS
4
27
V
DDH2
2
8
XI
29
XO
3
0
V
DDL
5
3
1
V
SS
5
3
2
AVSS
33
AIP
34
AIN
35
AVDD
36
VRB
37
VRT
38
IR
39
TCPO
40
XOUT
41
VDDL6
42
MSDA
43
VSS6
44
MSCL
45
VDDL7
46
VDDH3
47
AGCR
48
AGC
I
49
V
SS
7
50
H
D
VPP0
51
PC
K
52
DE
N
5
3
VD
D
L
8
54
T
S
CK
55
T
S
DO
0
56
VD
D
H
4
57
HDV
DDH
5
8
T
S
DO
1
59
V
SS8
60
T
S
DO
2
61
H
D
VPP1
62
VD
D
L9
6
3
V
SS
9
64
E-PAD
65
U1003
MN88472
C1526
100N 16V
C1522
100N 16V
C1541
100N 16V
R1271
0R05 1/10W
R1527
4K7 1/16W 5%
R1529
0R05 OHM
R1521
4K7 1/10W 5%
R1513
4K7 1/10W 5%
C1528
100N 16V
1
2
4
3
X1500
20.5MHz
R1519
10K 1/16W 5%
C1501
10UF 10V
1
2
3
4
8
7
6
5
RP1502
47 OHM 1/16W 5%
C1520
100N 16V
C1516
100N 16V
C1503
10UF 10V
R1530
NC/120R 1% 1/10W
R1516
0R05 1/16W
R1525
0R05 1/16W
R1509
NC/10K 1/16W 5%
C1534
100N 16V
C1532
100N 16V
C1539
100N 16V
C1500
10UF 10V
R1517
4K7 1/16W 5%
C
125
8
10U
F
10V
C1536
100N 16V
R1523
0R05 1/10W
C1533
100N 16V
C1545
10N 50V
3V3_LM
1V2
DVDD3V3
3V3_AD
3V3_LM
DVDD3V3
3V3_IO
DVDD3V3
DVDD3V3
3V3_AD
AVDD1V2
DVDD3V3
3V3_IO
DVDD3V3
1V2
AVDD3V3
OSCL2
4
GND
2,3,4,5,6,7,8,9,10,11,12,13,14,15,16
T/C/T2_TUNER_SDA
15,16
Parallel_TSCLK
15
T2_IFAGC
16
T2_RESET
13
OSDA2
4
Parallel_TSDATA0
15
Parallel_TSSY NC
15
Parallel_TSVALID
15
Parallel_TSDATA3
15
Parallel_TSDATA2
15
Parallel_TSDATA1
15
Parallel_TSDATA6
15
Parallel_TSDATA5
15
Parallel_TSDATA4
15
T2_RFAGC
16
88471_INT
13
Parallel_TSDATA7
15
T2_AINN
16
T2_AINP
16
T/C/T2_TUNER_SCL
15,16
Vo=1.25 x (1+0R/NC) = 1.25V
(0mVr)
(0mVr)