BBK smp014hdt2(dvb-t/t2) [15/25] Decoding board schematic diagram 3
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BBK smp014hdt2(dvb-t/t2) [15/25] Decoding board schematic diagram 3

BBK smp014hdt2(dvb-t/t2) [15/25] Decoding board schematic diagram 3
Decoding Board Schematic Diagram (3)
D T V _ I P _ I
L 1 2
N C / 2 2 u H / 0 . 5 A直 插
L 2 9
F B 1 2 0 R / 0 8 0 5
V D D 3 V
C 3 0
1 0 0 n F
C 0 4 0 2
+3.3V_Normal
D T V _ I M _ I
.
C T 2 8
1 0 N F
T u n e r _ I F A G C
.
R T 1 41 0 0 R
V A G C
I F A G C
+
E C 2
2 2 0 U F / 6 . 3 V
12
J 6
R F _ T U N E R
3
4
5
6
2
1
R F _ I N
G N D
.
C T 1 5
1 5 0 P F
.
C T 1 6
1 5 0 P F
Tuner_SDA
T u n e r _ S C L
C 3
N C / 3 0 P F
C 4
N C / 3 0 P F
L 4 1 6 2 . 2 n H
V O P
V O N
(d ef a ul t )
V D D 3 V
DT MB
C 6 1 1 0 0 n F
DV BC _ wo r l d -w i d e
L3 =L 1 7= C 6 = NC , L1 8 = GZ 1 00 5 D 10 2 C TF , C 2= 0 R , C 17 = 4 7p F , L 4 1 9 =4 7 n H, L 2= 8 2n H , C 3 =C 1 6 =1 5 0p F , L 4 1 7= 2 7 0n H
AT SC
C 7 0 2 2 n F
C 7 2 1 0 0 n F
L1 7= 2 70 n H , L 1 8 =G Z 1 00 5 D1 0 2 CT F , L 2 = L3 = C 3= C 6= C 1 7= L 4 17 = N C , C 2 =L 4 1 9= C 16 = 0 R
Pi n 15 :
1.GND:I2C address=0x34
2.Floating:I2C address=0x74
3.pls see App note for CLKout
( 1 ) + V D D 3 V i n p ut v o l t ag e t o l e r a n c e m u st b e u n d e r + - 5 %
(2) +VDD3V input ripple must be under 30mVpp
(3) Using LDO for +VDD3V is recommended
C 7 6
4 7 0 p F
C 7 9
N C / 1 5 0 p F
Xt al CL T a nk ( SW se t t in g ) C0 , C1
T u n e r - S C L
L 2 0
N C / 8 2 n H
D 4 0 3
B A V 9 9
A N T _ 5 V
L 3 1
1 5 0 n H / 0 6 0 3
0 6 0 3 L _ S T
C 8 0 1 0 0 n F
L 3 6 T B D / N C
L 3 2 6 8 n H
C 8 3 1 0 0 n F
R F _ I N
L1 7= L 18 = G Z1 0 0 5D 1 0 2C T F, L2 = L 3= C 3 = C6 = C 17 = L4 1 7 =N C , C 2 = L 41 9 = C1 6 = 0R
V D D 3 V
10 pF 1 3 .9 p F
16 pF 0 N C
C 8 4
1 0 0 n F
R 1 4
1 K 8
Si ng l e e n d ed : 7 5o h m
C 8 6
6 n 8 F
L3 =L 1 7= L 1 8 =L 4 1 7= 2 7 0n H , C 2 =5 6 p F, C 6= 1 0 0p F , C 1 7= 2 7 0p F , L4 1 9 =1 5 0 nH , L 2 = C3 = NC , C1 6 =0 R
C 8 7
3 3 0 p F
L 4 1 9 0 R / 4 7 n H
C 2
N C / T B D
R 1 1 2
2 2 0 R
X 1
1 6 M H z , C L = 1 6 p F
1 2
R 1 0 6 2 2 0 R
C 1 5 2 1 0 0 n F
C 1 5 7 1 0 0 n F
R 1 1 4
N C
IF I n te r f a ce F il t e r
V O P
V O N
C 1 6 6 N C / 4 7 p F
V D D 3 V
C 0
N C / T B D
L 3 8
G Z 1 0 0 5 D 1 0 2 C T F
C 1 6 7
1 5 0 p F
L 4 1 7
2 7 0 n H
op t i on a l c o m po n e nt o f W IF I fi l te r ,
if no need this option, pls short it.
U 8
R836
R F I N 2
2
T F 1
3
T F 2
4
D E C T 1
5
L T _ O U T
6
S C L
7
S D A
8
V O P
1 8
V O N
1 7
V A G C
1 6
A D S / C L K O U T
1 5
C P
1 0
A V D D
9
R F I N
1
A V D D
2 4
T F H
2 3
T F L
2 2
V B G
2 1
D E T 2
2 0
A V D D
1 9
G N D
2 5
D V S S
1 1
D V D D
1 2
X T A L _ O
1 4
X T A L _ I
1 3
L 3 9 G Z 1 0 0 5 D 1 0 2 C T F
op t i on a l c o m po n e nt of
external antenna Power
DV BT , D V B T 2, I SD B T
C 1 7 1
1 0 0 n F
C 1 6 8 1 . 5 p F
L 4 0 1 8 0 n H
Ap pl i ca t i o n
20 pF 0 8 .2 p F
V A G C
C 1 7 2 1 0 0 n F
cl o s e t o D 4 0 3( B A V9 9 )
T u n e r - S D A
F B 1 4
F B 3 3 0 R / 0 6 0 3
L 0 6 0 3
ANT_5V
A N T - O C P
T u n e r _ P M _ C T R L
N- M O SF E T
Ant e nn a
Power
Tuner_PM_CTRL
ANT-OCP
30 m A
R 2 7 0
1 K / 5 %
R 0 4 0 2
R 2 6 7
1 . 3 K / 5 %
R 0 4 0 2
R 2 7 1
1 0 K / 5 %
R 0 4 0 2
C 1 6 2
1 0 u F
C 0 8 0 5
Q 2 6
M M B T 3 9 0 6
S O T 2 3
B
C E
R 2 7 4
2 2 K / 5 %
R 0 4 0 2
C 1 6 3
1 0 0 n F
C 0 4 0 2
R 2 7 2
1 1 K / 5 %
R 0 4 0 2
R 2 6 8
1 0 K / 5 %
R 0 4 0 2
Q 2 4
M M B T 3 9 0 6
S O T 2 3
B
C E
R 2 7 3
2 2 R / 5 %
R 0 4 0 2
C 1 6 4
1 0 0 n F
C 0 4 0 2
Q 2 5
M M B T 3 9 0 4
S O T 2 3 - G D S
G
DS
R 2 6 6
1 . 5 R / 5 %
R 0 8 0 5
C 1 6 5
N C / 1 0 u F / 1 6 V
C 0 8 0 5
R 2 6 9
1 5 K / 5 %
R 0 4 0 2
+5V_Standby
15

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