Fem For Triband - LG KP202 Service Manual

3.3 FEM for Triband

Tx 900
Vdd
Vctrl1
Vctrl2
Vctrl3
2V8_VEXT
C538 C539
56p 0.1u
Tx 1800/1900
H H
H H
L H
L L
Table 3.3.1 Band SW Logic Table
FL500
YGHF-S006T
Figure 3.3.1 FEM CIRCUIT DIAGRAM
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3. TECHNICAL BRIEF
RX EGSM RX DCS
H
L
H
L
GND6
10
GND5
9
GND4
7
GND3 PCS_RX+
5
GND2
4
GND1 DCS_RX+
2
VCTRL3 EGSM_RX+
20
VCTRL2 EGSM_RX-
21
VCTRL1
22
VDD
3
RX PCS
H H
L L
L L
H L
TX2G
8
TX1G
6
13
PCS_RX-
12
15
DCS_RX-
14
17
16
NC2
19
NC1
18