资料介绍
三星E7281
2
3
4
5
6
7
8
9
10
11
12
A
CN100 KMS-510-D
A
R114
G
G
G
A
G
C
0
62PF C108
6
5
4
3
2
1
R115 0
L103 39nH
V101 EGA10402V05A2
ANT1 ANT L145 5.6nH
GSM_PAM_IN
R104 30
ANT C152 1.8PF
C109 NC
R106 180
R101 24 DPCS_PAM_IN
B
R105 180
U101
SKY77328-13
GND 7 GND 8 GND 9 GND 10
U106 LMSP54CA-157
ANT
R103 220
R102 220
1 2 3 4 5 6
F101 B7825
12
B
OUT 3
9
6
8
16 15 14 13 12 11
TX_BAND_SEL
GND VAPC RSVD ENABLE VBATT
10 VC
VCC1B GSMOUT GND GND GSMIN GND DCS/PCSIN GND VCC1A DCS/PCSOUT BS GND
L117
2.2nH
5
G
G
3
G PCS DCS
DCS/PCS
C147 24PF C149 22PF C151 47PF
1 IN
C111
1PF L104 5.6nH
PCS_LNA_IN_N
C114
15PF
GSM900TX GSM900RX
L147 10nH
2
G OUT G 5
4
1
C113
1PF
7
PCS_LNA_IN_P
VC
VC
11
C117 33PF
F102 B7821 1 OUT IN G 2 3
2
4
C115
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