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B7955 Datasheet(PDF) 2 Page - EPCOS

Part # B7955
Description  BAW/SAW Duplexer WCDMA Band II (PCS)
PDF  11 Pages
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Manufacturer  EPCOS [EPCOS]
Direct Link  http://www.epcos.com
Logo EPCOS - EPCOS

B7955 Datasheet(HTML) 2 Page - EPCOS

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February 1, 2010
B7955
1880.0 / 1960.0 MHz
Please read
cautions and warnings and
important notes at the end of this document.
SAW Components
BAW/SAW Duplexer
Data sheet
Application
s
Low-loss BAW/SAW duplexer for mobile telephone
WCDMA Band II (PCS) systems
s
Low insertion attenuation
s
Low amplitude ripple
s
Usable passband 60 MHz
s
Single ended to balanced transformation
in Antenna - Rx path
s
Impedance transformation 50
Ω to 100Ω
in Antenna - Rx path
Features
s
Package size 2.5 x 2.0 mm2,
max. height 0.94 mm
s
RoHS compatible
s
Approx. weight 0.020 g
s
Package for Surface Mount Technology
(SMT)
s
Ni, gold-plated terminals
s
Fully matched by integrated matching network
s
Electrostatic Sensitive Device (ESD)
s
Moisture Sensitive Level 3
bottom view
side view
top view
2.5
12
5
7
9
6
1
5
23
6
7
3
0.55
0.4
0.9
Pin configuration
s
3
TX Input
s
1, 8
RX Output (balanced)
s
6
Antenna
s
4, 5, 9 To be grounded
s
2, 7
To be grounded
3
1
8
4,5,9
6
2,7



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