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M
ODEL
SDP100 V
ERSION
V_1.00
P
REPARED BY
H/W
D
ATE
25/05/2007
S
UBJECT
T
ECHNICAL
M
ANUAL
P
AGE
69/70
III. LMSP54HA-348 (Antenna Switch Module
For Tri- Band with SAW Filter)
LMSP54HA-348
is an Antenna Switch Module for GSM900, DCS1800 and PCS1900 of Murata with Three SAW
Modules. Control Pins (VC1, VC2, and VC3) are connected to LB_TX, HB_TX, and PCS_RX (signals from
baseband processor). The Control Pins Operating range is 2.4V ~ 2.8V.
LB_TX : GSM900 TX Enable.
HB_TX : DCS1800, PCS1900 TX Enable.
PCS_RX : PCS RX Enable.
Figure 50. The Evaluation board of LMSP54HA-349
SDP100
T
ECHNICAL
M
ANUAL
Page 3.69