Fem For Triband(Fl501) - LG MG295 Service Manual

3.3 FEM for Triband(FL501)

Select Mode
GSM Rx
EGSM Rx
DCS Rx
PCS Rx
GSM/EGSM Tx
DCS/PCS Tx
2V75_VVCXO
C534
0.1u
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
ANT_SW1
L
L
L
L
H
H
Table 3.3.1 Band SW Logic Table
GND6
10
GND5
9
GND4
7
GND3
5
GND2
4
GND1
2
VCTRL3
20
VCTRL2
21
VCTRL1
22
VDD
3
Figure 3.3.1 FEM CIRCUIT DIAGRAM
- 19 -
3. TECHNICAL BRIEF
ANT_SW2
H
H
L
L
L
H
FL501
YGHF-S006A
11
TX2G
8
TX1G
6
PCS_RX+
13
PCS_RX-
12
DCS_RX+
15
DCS_RX-
14
EGSM_RX+
17
EGSM_RX-
16
GSM_RX+
19
GMS_RX-
18
ANT_SW3
H
L
H
L
L
L
LGE Internal Use Only