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RF-circuit configurations and new SAW duplexers for single- and dual-band cellular radios

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4 Author(s)
Hikita, M. ; Central Res. Lab., Hitachi Ltd., Tokyo, Japan ; Matsuura, N. ; Shibagaki, N. ; Sakiyama, K.

Single-band and dual-band SAW antenna duplexers have been developed. The former constructed with R1 and T1 filters can be used in 800-MHz EGSM or 1.8-GHz PCN single-band system. The latter constructed with R1's anti-diode switches can be used in the EGSM/PCN dual-band system. The required frequency characteristics as well as the module miniaturization have been achieved.

Published in:

Microwave Symposium Digest, 1999 IEEE MTT-S International  (Volume:4 )

Date of Conference:

13-19 June 1999