Schematics

CONFIDENTIAL AND PROPRIETARY
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LTR
REVISION RECORD
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DEPARTMENT:
DOCUMENT NO.:
Hardware DEPT.
COMPANY:
Spreadtrum communications, Inc.
Need keepout
WIFI&BT&GPS ANT
GPS SAW LNA
WIFI/BT SAW
Wide supply voltage range:1.6V-2.8V
2uA when EN=Low
8mA when EN=High
26M TCXO reserved
C7209
33pF
L7207
9.1nH
C7237
1.0nF
C7213
33pF
1
UBLN1
2
GND1
3
GND2
4
UBLN2
5
GND3
U7202
RF-SAW-SAFFB1G56KB0F0A
1561.1/1575.42/1602MHz
C7218
NC
R7200 0
C7238
NC
1
1
ANT7201
ANTENNA
L7229
3.3nH
L7200
4.3nH
L7202
1.0nH
1
PA
2
GND1
3
GND2
4
ANT
5
GND3
U7204
RF-SAW-WIFI-1109
2442MHz
1
1
ANT7202
ANTENNA
C7232
1.0uF
L7201
NC
L7204
2.7nH
C7230
0.5pF
L7205
4.7nH
R7201
2.0nH
3
GPS
2
GND
1
WIFI
4
GND
5
ANT
6
GND
U7200
DP1608-V1524CA
1
GND
2
GND
3
RF_IN
4
VCC
5
EN
6
RF_OUT
U7201
RF-LNA-GPS-BGU7005
C7220
NC
L7211
NC
1 2
R5
RES-NC-0201
NC
GPS_LNA_EN
[11]
VDD2V8
DPX_WF
[22]
DPX_GPS
[22]
DPX_WF
[22]
DPX_GPS
[22]
GPS_RF_IN
[11]
RF_ISM_P
[11]
USB_SHILDING
[19]