1.5-GHZ SAW MINIATURE ANTENNA DUPLEXER USED PERSONAL DIGITAL CELLULAR

Citation
M. Hikita et al., 1.5-GHZ SAW MINIATURE ANTENNA DUPLEXER USED PERSONAL DIGITAL CELLULAR, IEICE transactions on electronics, E79C(5), 1996, pp. 664-670
Citations number
14
Categorie Soggetti
Engineering, Eletrical & Electronic
ISSN journal
09168524
Volume
E79C
Issue
5
Year of publication
1996
Pages
664 - 670
Database
ISI
SICI code
0916-8524(1996)E79C:5<664:1SMADU>2.0.ZU;2-8
Abstract
Taking a 1.5-GHz SAW antenna duplexer for PDC, we have developed a new configuration for the transmitter final stage Biter and a new weighti ng technique for the receiver top filter. These transmitter and receiv er filters provide insertion losses as low as 0.8 and 1.6 dB, respecti vely. Combining the filters, we have developed a miniature antenna dup lexer of which size is 1.4 X 0.6 X 0.2 cm(3), several-time smaller tha n that of a conventional dielectric-filter duplexer. It also ensures s ufficient power-handling capabilities.