
- 6 -
LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟
ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ
ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ
36/158
Table 3.4.1 Band SW Logic Table
Figure 3.4.2 FEM CIRCUIT DIAGRAM
3. TECHNICAL BRIEF
TX_EN
BS1
BS2
STANDBY
0
X
X
X
RX1
1
0
0
0
RX2
1
0
0
1
RX3
1
0
1
1
RX4
1
0
1
0
LB_TX
1
1
0
X
HB_TX
1
1
1
X
Mode
VLOGIC
Input Control Bits
1. X = DON’T CARE
2. RX1, RX2, RX3, and RX4 are broadband receive ports and each supports the GSM850, GSM900, DCS, and PCS bands.
Figure 3.4.2 FEM CIRCUIT DIAGRAM