CMMB 方案推荐

IF101+ FCI(SPI) 07175

4

3

2

1

D

D

VDD_18 C3 10nF C4 100pF C1 10nF C2 100pF

I/Q信号按照差分走线规则布线

d
R1 30k 1%

Notes:This part of circuit should be added if this reference design is used on mobile phone. C11's purpose is to bypass the SAW if needed.

C5 C6 C9 C10

1uF 1uF 1uF 1uF

TUNER1_I+ TUNER1_ITUNER1_Q+ TUNER1_Q-

VDD_18 C7 10nF C8 100pF L1

C11

NC

J1
C

5 2 3 4

U1

GND4 GND1 IN GND2 GND3

1

L2 1

24nH 2

1

IN C1 C2

OUT GND

4

L3 1

27nH 2 L5

L4

15nH

C12

1uF

te re
12nH

C

33

32

31

30

29

28

27

26

U2 L6

25

VDD_33

RBIAS

VDD_BYP2

UHF_LOAD

D1 ESD5V3U1U

SAEEB897MBA0B00R14

NC 39nH C14

BB_IB

VDD6

VDD5

BB_Q

GND

BB_I

2

SMAREC

2

3

5

C13 10nF

1 2
C15 10nF

UHF_IN

BB_QB

24 23 22 21 20

R2 4.7K

R3 4.7K

1

L7 1

23nH 2

NC

LBAND_IN

VDD_BYP3

3 4 5 6 7 8

VDD_BYP1

GND(A