Antenna Duplexers (Series L) LTCC RF Device
Multilayer Antenna Switch Filters
Series:L
Type: DA (6.755.051.8 mm)
DB (5.454.051.8 mm)
DC11 (4.553.251.5 mm)
DC21 (4.553.251.8 mm)
Multilayer Antenna Switch Filters for dual band
telephones (GSM/DCS), featuring low insertion loss
and high isolation.
n Recommended Applications
l Dual band telephones (GSM/DCS)
n Features
l Minuaturized, Light weight
l LPF built in
l Applicable to reflow soldering
l Applicable to LGA (Land Grid Arrey)
n Explanation of Part Numbers
n Ratings
Ratings
Item
Operating Temperature Range
Strage Temperature Range
Input/Output Impedance
Ð10 to 70 ¡C
Ð35 to 85 ¡C
50 W
n Characteristics
Center
Passband
Width
Attenuation
Insertion loss
(at 25ûC)
Isolation Input power
Part No.
CH
Frequency
(MHz)
(TX
®ANT)
System
(dB)
(dBm)
(MHz)
(dB)
GSM-TX 897.5 (ft1)
GSM-RX 942.5
DCS-TX 1747.5 (ft2)
DCS-RX 1842.5
GSM-TX 897.5 (ft1)
±17.5
±17.5
±37.5
±37.5
±17.5
±17.5
±37.5
±37.5
±17.5
±17.5
±37.5
±37.5
1.3 max. 30 min (at 2 ft1) 20 min (TX®RX)
1.1 max. 25 min (at 3 ft1) 20 min (TX®DCSRX)
1.4 max. 25 min (at 2 ft2) 20 min (TX®RX)
1.2 max. 25 min (at 3 ft2) 20 min (TX®GSMRX)
1.3 max. 30 min (at 2 ft1) 20 min (TX®RX)
1.1 max. 25 min (at 3 ft1) 20 min (TX®DCSRX)
1.4 max. 25 min (at 2 ft2) 20 min (TX®RX)
1.2 max. 25 min (at 3 ft2) 20 min (TX®GSMRX)
1.3 max. 30 min (at 2 ft1) 20 min (TX®RX)
1.1 max. 25 min (at 3 ft1) 20 min (TX®DCSRX)
1.4 max. 25 min (at 2 ft2) 20 min (TX®RX)
1.2 max. 25 min (at 3 ft2) 20 min (TX®GSMRX)
35
10
32
10
35
10
32
10
35
10
32
10
GSM/DCS
EZFL897DA11A
GSM-RX
942.5
EZFL897DB21B
GSM/DCS
GSM/DCS
DCS-TX 1747.5 (ft2)
DCS-RX 1842.5
GSM-TX 897.5 (ft1)
EZFL897DC21B
EZFL897DC11B
GSM-RX
942.5
DCS-TX 1747.5 (ft2)
DCS-RX 1842.5
