Schematics

CONFIDENTIAL AND PROPRIETARY
COMPANY:
Spreadtrum communications, Inc.
Hardware DEPT.
DEPARTMENT:DESIGNER: DATED:
DATED:
EQA:
APPROVED: DATED:
TITLE & REV:
DOCUMENT NO.:
B
12345
D
C
B
A
6
C
D
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LTR
REVISION RECORD
APPROVED: DATE:ECO NO:
Diversity LM Band Antenna
FDD_B7/40_Diversity Rx path
TDD_B12/17/20_Diversity RX path
TDD_B41M/38_Diversity RX path
Diversity HB Antenna
Diversity LTE RX Path
FDD_B8_Diversity Rx path
CLOSE TO TR
FDD_B3_Diversity RX path
FDD_B1/4_Diversity Rx path
CLOSE TO TR
FDD_B28AB_Diversity Rx path
MS0704
39pF
MS0703
NC
MS0701
1.0nH
MS0702
5.1nH
1
UBAL1
2
GND1
3
GND2
4
UBAL2
5
GND3
U0801
RF-SAW-SAFFB2G65AA0F0A
2655MHz
MD005
NC
MD003
NC
MD0040
1
1
ANT0802
PAN00-01120-0107
ANTENNA
1
1
ANT0801
PAN00-01120-0107
ANTENNA
MS1704
1.0nH
MS1705
3.9nH
MS1703
NC
MS1701
22pF
MS1702
5.1nH
MS1706
2.2nH
1
UBLN1
2
GND1
3
GND2
4
UBLN2
5
GND3
U0811
RF-SAW-SAFFB2G35AA0F0A
2350MHz
1
UBLN1
2
GND1
3
GND2
4
UBLN2
5
GND3
U0808
RF-SAW-SAFFB2G60AA0F0A
2605MHz
MS4101
4.7pF
MS4102
2.2nH
MS4105
NC
MS4103
NC
MD001
6.8pF
MD002
7.5nH
MS0705
NC
MS0706
3.6nH
MS4104
1.0nH
MS4106
2.2nH
1
RF5
2
RF3
3
RF1
4
VDD
5
V3
6
V2
7
V1
8
NC
9
RF2
10
RF4
11
RF6
12
NC
13
ANT
14
NC
15
GND
U0800
RF-SW-RSW5106
100-3000MHz
C0804
100nF
MS0804
47pF
MS0805
NC
MS0803
NC
MS0801
47pF
MS0802
5.1nH
1
UBLN1
2
GND1
3
GND2
4
UBLN2
5
GND3
U0816
RF-SAW-SAFFB942MAN0F0A
942.5MHz
MS0806
18nH
MS0305
NC
MS0303
NC
MS0302
4.7nH
MS0304
47pF
MS0301
47pF
MS0306
3.6nH
1
UBAL1
2
GND1
3
GND2
4
UBAL2
5
GND3
U0809
RF-SAW-SAFFB1G84AB0F0A
1842.5MHz
MS0102
NC
MS0101
2.4nH
MS0105
NC
MS0103
NC
MS0104
47pF
MS0106
3.6nH
1
UBAL1
2
GND1
3
GND2
4
UBAL2
5
GND3
U0006
RF-SAW-SAFFB1G84AB0F0A
1842.5MHz
MS2804
47pF
MS2805
NC
MS2803
NC
MS2801
47pF
MS2802
5.1nH
1
UBLN1
2
GND1
3
GND2
4
UBLN2
5
GND3
U0007
RF-SAW-SAFFB942MAN0F0A
942.5MHz
MS2806
18nH
GND
1
TXM
2
ANT
3 4
J0801
RF-C90P106-FY
MS0001
39pF
MS0002
NC
MS0003
1.0nH
MS0004
5.1nH
1
UBAL1
2
GND1
3
GND2
4
UBAL2
5
GND3
U0003
RF-SAW-SAFFB2G65AA0F0A
2655MHz
MS0005
NC
MS0006
3.6nH
1
1
ANT0803
PAN00-01120-0107
ANTENNA
C11
18pF
C13
18pF
C14
18pF
MD0060
MD0070
RF_DRX_FDD_B7
[8]
SW_DRX_FDD_B7
[10]
RF_DRX_FDD_B12/17/20/8
[8]
SW_DRX_FDD_B12/17/20/8
[10]
SW_DRX_B38/41/2
[10]
RF_DRX_B38/41/2
[8]
VDDSIM2
RF_DRX_FDD_B5/8 [8]
SW_DRX_FDD_B5/8
[10]
RF_DRX_FDD_B3/2 [8]
SW_DRX_FDD_B3/2
[10]
SW_DRX_FDD_B1/4
[10]
RF_DRX_FDD_B1/4 [8]
RF_DRX_FDD_B28AB [8]
SW_DRX_FDD_B28AB
[10]
RFCTL_0
[11]
RFCTL_1
[11]
RFCTL_2
[11]
RF_DRX_FDD_B40
[8]
SW_DRX_FDD_B40
[10]
SW_DRX_B38/41/2
[10]
SW_DRX_FDD_B7
[10]
SW_DRX_FDD_B1/4
[10]
SW_DRX_FDD_B28AB
[10]
SW_DRX_FDD_B3/2
[10]
SW_DRX_FDD_B5/8
[10]
SW_DRX_FDD_B12/17/20/8
[10]
SW_DRX_FDD_B40
[10]
DRX_ANT
[9]
TOP_ANT
[9]