Antenna Switch Module
LM-D118 Series - Dual Band
55
GSM
DCS
TX
RX
TX
RX
Part
Freq
Ins. Loss
Att. (2*f0, 3*f0)
Freq.
Ins. Loss
Freq.
Ins. Loss
Att. (2*f0, 3*f0)
Freq.
Ins. Loss
Number
(MHz)
(dB)
(MHz)
(dB)
(MHz)
(dB)
(MHz)
(dB)
LM-D118S1E1
880 to 915
≤1.3
≥30
925 to 960
≤1.5
1710 to 1785
≤1.6
≥25 (2*f0), ≥30 (3*f0) 1805 to 1880
≤1.6
SPECIFICATIONS
KC D1S1
0005
8
7
6
14
15
16
5
4
3
1
2
9
10
11
13
12
5.4
(0.213)
1.8 (0.071) MAX.
7.0 (0.276)
DIMENSIONS
millimeters (inches)
FEATURES
Built-in ESD protection circuit
Built-in 4 coupling capacitors and
baias circuit drive the switch
Built-in 2LPF for receiver
Small and low profile
APPLICATIONS
GSM/DCS, GSM/PCS
Custom Specification
ESD Function
E = Yes,
= No
Custom Specification
Height
18 = 1.8mm max.
Type
Circuit
D= Dual
Series
HOW TO ORDER
LM - D
1 18 S
E
PIN CONFIGURATION
GND GND
TX(DCS) CONT1
GND
GND
RX(DCS) ANT
GND
GND
RX(GSM) GND
GND
GND
CONT2
TX(GSM)
11
12
13
14
15
16
2.9 (0.114)
2.1
(0.083)
2.1
(0.083)
2.9 (0.114)
1.2
(0.047)
1.2
(0.047)
1.2
(0.047)
1.2
(0.047)
0.7 (0.028)
0.6
(0.024)
1.27
(0.050)
1.27
(0.050)
1.27
(0.050)
1.27
(0.050)
1.27
(0.050)
1.27
(0.050)
RECOMMENDED LAND PATTERN
RECOMMENDED REFLOW PROFILE
millimeters (inches)
Peak:225-235
°C
15sec max
200
°C
over
40sec max
120sec
60sec
250
200
150
100
50
temp.
time
(sec.)
(
°C)
140-160
°C
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