PCS 1900MHz duplexer using thin film bulk acoustic resonators (FBARs)

Authors
Ruby, R Bradley, P Larson, JD Oshmyansky, Y
Citation
R. Ruby et al., PCS 1900MHz duplexer using thin film bulk acoustic resonators (FBARs), ELECTR LETT, 35(10), 1999, pp. 794-795
Citations number
11
Categorie Soggetti
Eletrical & Eletronics Engineeing
Journal title
ELECTRONICS LETTERS
ISSN journal
00135194 → ACNP
Volume
35
Issue
10
Year of publication
1999
Pages
794 - 795
Database
ISI
SICI code
0013-5194(19990513)35:10<794:P1DUTF>2.0.ZU;2-3
Abstract
An ultra-miniature duplexer (5 x 8 x 2.2mm(3)) consisting of two FEAR filte rs and nine passive components operating at 1900MHz is described. The minim um insertion loss for the Tx and Rx bands is better than -3dB. Isolation be tween the Tx and Rx ports exceeds 50dB over most of the Tx band and 46dB in the Rx band. The FEAR filters handle up to 2W throughout the passband.