A Miniaturized 3 × 3-mm SAW antenna duplexer for the US-PCS band with temperature-compensated LiTaO3/sapphire substrate

Proceedings - IEEE Ultrasonics Symposium

Volumn 2, Issue , 2004, Pages 954-958

  Tsutsumi, Jun ^a   Inoue, Shogo ^a   Iwamoto, Yasuhide ^a   Miura, Michio ^a   Matsuda, Takashi ^a   Satoh, Yoshio ^a   Nishizawa, Toshio ^a   Ueda, Masanori ^a   Ikata, Osamu ^a  

^a FUJITSU LABORATORIES LTD   (Japan)

Author keywords

Duplexer; LiTao3; PCS; Sapphire; SAW; Temperture compensated substrate

Indexed keywords

COMPONENT; DUPLEXER; PERSONAL COMMUNICATIONS SERVICE (PCS); SAPPHIRE SUBSTRATES; SAW; TEMPERATURE-COMPENSATED SUBSTRATE;

ACOUSTIC SURFACE WAVE DEVICES; ANTENNAS; FREQUENCY RESPONSE; PERMITTIVITY; SAPPHIRE; SUBSTRATES; THERMAL CONDUCTIVITY; THERMAL EFFECTS;

LITHIUM COMPOUNDS;

EID: 21644479452     PISSN: 10510117     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ULTSYM.2004.1417917     Document Type: Conference Paper

References (7)

1. T. Matsuda, J. Tsutsumi, S. Inoue, Y. Iwamoto, Y. Satoh, M. Ueda and O. Ikata, "High-frequncy SAW duplexer with low-loss and steep cut-off characteristics," Proc. 2002 IEEE Ultrasonics symp., 2002, pp.71-76.
2. J. Tsutsumi, S. Inoue, Y. Iwamoto, T. Matsuda, M. Miura, Y. Satoh, M. Ueda and O.Ikata, "Extremely low-loss SAW filter and its application to antenna duplexer for the 1.9 GHz PCS full-band," Proc. 2003 IEEE Freq. Cont. symp., 2003, pp. 861-867.
3. S. Inoue, J. Tsutsumi, Y. Iwamoto, T. Matsuda, M. Miura Y. Satoh, M. Ueda and O. Ikata, "1.9 GHz range ultra-low-loss and steep cut-off double mode SAW filter for the Rx band in the PCS antenna duplexer," Proc. 2003 IEEE Ultrasonics symp., 2003, pp.389-392.
4. M. Miura, T. Matsuda, Y. Satoh, M. Ueda, O. Ikata, Y. Ebata and H. Takagi, "Temperature compensated LiTaO3/Sapphire bonded SAW substrate with low loss and high coupling factor suitable for US-PCS appilication," Proc. 2004 IEEE Freq. Cont. symp., 2004, in press.
5. Agilent ACMD-7401 Miniature PCS Band Duplexer, http://literature.agilent. com/litweb/pdf/5989-0533EN.pdf
6. R.C. Ruby, "FBAR Resonators Filter and Duplexers at Agilnet," Proc. Int'l Conference on New Piezoelectric Material and High performance Acoustic Devices, 2002, pp.55-58.
7. R. Aigner, "Bulk-acoustic-wave filters for cell phone applicaions," Proc. IEEE MEE-S Int'l, Microwave Symp. Workshop Note & Short Courses, WMB-14, 2004.