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5
D
J5
10
9
1
75 ohm line
8
L25
C5
7
RFIN
RFIN
RFIN
6
5
RFIN
CT4
LT1
470PF
6.8nH
TUNER_GND
CT4的选取：
CT10
1.内置隔离器时，CT4=0R
CT8
NC/1.8pF
2.不带内置隔离时，CT4=470PF
120pF
LT6
270nH
Application
DTMB (S11<-8)
L17=GZ1005D102CTF, L19=27nH,C5=470pF, L25=6.8nH, C8=L23=C6=NC, L22=0R
ATV only, ATSC (S11>-8)
L17=270nH, L19=39nH,C5=470pF, L25=0R, C8=L23=C6=NC, L22=0R
Hybrid ( with S1 filter for EN55020)
L17=L23=L22=270nH, L19=39nH,C5=100pF, L25=6n8H, C8=C6=120pF
C
靠近silicon tuner 摆放
+3.3V_Normal
3.3V_TUNER
L511
220-2A-0603
EC1027
C1089
C1090
+
220uF/16V
0.1uF/16V/X7R
10uF/6.3V/X5R/0603
供电范围：3.13~3.47V
实测电流：240mA
B
A
5
4
3.3V_TUNER
C6
CT1 120pF
L19
L17
LT2
270nH
Close R842
DT1
UD16
BAV99
LT5
3.3V_TUNER
25
GND
GZ1005D102CTF
CT9 1nF
1
18
RFIN
AVDD
2
17
VOP
RF_bias
VOP
LT7 GZ1005D102CTF
R842
3
16
VON
TF1
VON
LT8
180nH
4
15
VAGC
TF2
VAGC
CT19 47nF
5
14
DECT1
VAGC2
6
13
SCL
XTAL_O
XT1
TU_SCL
24MHz,CL=11pF
TU_SDA
RT5
CT20
100nF
1K8
3.3V_TUNER
CT23
CT21
CT22
100nF
330pF
6n8F
Bead (L21):
1k@100M &
400ohm@400M,300mA
Bead (L21):
1k@100M &
400ohm@400M,300mA
IF Interface Filter
3.3V_TUNER
3.3V_TUNER
CT34
CT33
VOP
RT6
CT25
NC/10uF
NC/1uF
10uF
CT31
0805C_ST
NC/56pF
(1) +VDD3V input voltage tolerance must be under +-5%
VON
RT8
(2) +VDD3V input ripple must be under 30mVpp
CT32
(3) Using LDO for +VDD3V is recommended
NC/56pF
Recommend to reserve R106, R110, R109
to filter noise from demod side.
4
3
I2C Interface Filter
TU_SCL
RT2
330R
SCL-T
TUNER_SCL
4
TU_SDA
RT9
330R
SDA-T
4
TUNER_SDA
CT2
CT3
68pF
68pF
Addr 0xF6
- filter noise from demod side
IFAGC Circuit
MSTAR方案，AGC采用电流型输出，RT3的不易过大。
其他方案，可采用参考设计要求的10K.
VAGC
RT3
R103
100R
IFAGC_T
5
CT18
100nF
C106
RT4
NC
- R103 and R106 are related to Demod side's
IFAGC design. Sometime need to
fine tune
for different Demod.
- Following IFAGC TBD table is common
suggestion.
IFAGC TBD table
Open drain
R103=100R
Push Pull
R103=10KR
0R
CT24 100nF
LT10
1K/330nH
0.1uF
C248
VIFP
5
CT29
CT26
NC/20pF/50V/NPO
RT7
47pF/NC
CT27
NC
NC/20pF/50V/NPO
0R
CT28 100nF
LT11
1K/330nH
0.1uF
C250
VIFM
5
CT30
47pF/NC
kick back filter 改善ATV水波纹！
IF trace shielding by GND
3
2
DVB_S2高频头
VCC_LNBA
VCC_LNBA
10
VCC_LNBA
C193
0.1uF/16V/X7R
T3.3V
T3.3V
C191
C190
C196
C197
NC
39pF
0.1uF/16V/X7R
0.1uF/25V
C194
1uF/6.3V/X5R
C195
1nF/50V/X7R
C181
NC
C178
5
L29
4
1
1
RFIN+
J1
3.3nH
C282
2
U1
12
TY1
33pF
39pF
NC
GND
27M
红色粗亮线：75 ohm
3
AV2018
11
RFAGC
XTAL1
蓝色粗亮线：90 ohm
0.1UF
4
10
RFLP
XTAL2
C265
33pF
C192
R183
100
R20
100R
+3.3V_Normal
T3.3V
SDA-T
TL1
140mA
实测电压3.2V
SCL-T
10-4A-0603
Read Address:0xC5
R21 100R
+
TC1
TC2
Write Address:0xC4
C68
+
C18
10uF
C1
C2
10uF
100nF
10P
22pF
22pF
IP-S
IOUT+
4
IP_S_1
QP-S
QOUT+
4
QP_S_1
DVB_S2 18V/13V 升压电路
L5
D1
FB1010-4A-0603
10uH/2A
SS24
+12V_Normal
FB15
1
2
10-4A-0603
100uF/25V
+
100uF/25V
100uF/25V
+
+
ECAP-2.5X6.3
ECAP-2.5X6.3
ECAP-2.5X6.3
C45
EC1
EC6
EC2
104
18V 500mA load
13
1
C48
0.1uF
VIN
VCP
SDA-T
R14
100R
6
SDA
16
BOOST
SCL-T
R15
100R
5
2
SCL
U4
R94
4.7K
4
D2
R19
10K
IRQ
+3.3V_Normal
A8304
SS24
DISEQ_OUT1
EXTM
7
DISEQC
4
TONECTRL
R92
100R
2
VCC_LNBA
LNB
1
C49
100nF
2
R16
10K
8
9
1
2
D3
+3.3V_Normal
SLEEP
TCAP
SS24
3
ADD
11
C52
C58
VREG
1
0.1uF/25V
0.1uF/25V
C50 220nF
R13
I2C Addr: 0x10
56K
2
1
J3
S2_TUNER
D
S2屏蔽罩
3
2
1
R2305
IF_AGC_S
0R
4
IFAGC_S
C1093
NC/0.1uF
C
Close Tuner
8.2mS
8.4mS
67uS
16.4mS
18V
实测电压18.76V
B
18V
实测电压13.41V
18V
实测电压7.5V
6V
0V
0V
A
Title
Title
Title
MSD3643GSA
MSD3643GSA
MSD3643GSA
Size
Size
Size
Document Number
Document Number
Document Number
Rev
Rev
Rev
Custom
Custom
Custom
Change list
Change list
Change list
1.0
1.0
1.0
Date:
Date:
Date:
Tuesday, October 11, 2016
Tuesday, October 11, 2016
Tuesday, October 11, 2016
Sheet
Sheet
Sheet
8
8
8
of
of
of
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