B7959 Datasheet, PDF (2/15 Pages) EPCOS – SAW Duplexer W-CDMA Band 4 / CDMA 1x AWS Band

SAW Components
SAW Duplexer
Data sheet
Application
s Low-loss SAW duplexer for mobile telephone
W-CDMA Band 4 (UMTS) / CDMA 1x AWS systems
s Low insertion attenuation
s Low amplitude ripple
s Usable passband 45 MHz
s Single-ended to balanced transformation in
Antenna-Rx path
s Impedance transformation 50 Ω to 100 Ω in
Antenna-Rx path
s High isolation between Tx and Rx
B7959
1732.5 / 2132.5 MHz
Features
s Package size 2.5 * 2.0 * 0.89 mm³
s RoHS compatible
s Approximate weight 0.017 g
s Package for Surface Mount Technology (SMT)
s Ni, Au-plated terminals
s Balanced Rx port, unbalanced Tx port
s Electrostatic Sensitive Device (ESD)
s Fully matched by integrated matching network
s Moisture Sensitive Level 3
Pin configuration
s3
s 1, 8
s6
s 2, 4, 5, 7, 9
Tx input, unbalanced
Rx output, balanced
Antenna
To be grounded
0.55 ^0.4
56 7
9
32 1
0.9
bottom view
2.5
321
567
side view
top view
Please read cautions and warnings and
important notes at the end of this document.
2 February 11, 2011