High isolation techniques for SAW duplexer modules

Takashi Shiba; Naoko Kamogawa; Tatsuhiko Ishizaki; Daini Okajima; Norio Hosaka; Minoru Moteki; Seiichi Ogawa; Ogawa Oda; Mitsutaka Hikita

High isolation techniques for SAW duplexer modules

Takashi Shiba, Naoko Kamogawa, Tatsuhiko Ishizaki, Daini Okajima, Norio Hosaka, Minoru Moteki, Seiichi Ogawa, Ogawa Oda, Mitsutaka Hikita

Research output: Contribution to journal › Conference article › peer-review

Abstract

Isolation characteristics between transmitter and receiver ports for SAW antenna duplexer modules are studied in this paper. Two techniques for high isolation are presented. Optimized phase shifter conditions for SAW antenna duplexer modules at not 50 ohm cases have been analytically provided to achieve desired isolation performances. And switching circuit is proposed for high isolation characteristics. In order to confirm the prediction, obtained optimum phase condition and proposed circuit are applied to EGSM/DCS/PCS triple band SAW antenna duplexer modules.

Original language	English
Pages (from-to)	105-108
Number of pages	4
Journal	Proceedings of the IEEE Ultrasonics Symposium
Volume	1
Publication status	Published - 2002 Dec 1
Externally published	Yes
Event	2002 IEEE Ultrasonics Symposium - Munich, Germany Duration: 2002 Oct 8 → 2002 Oct 11

ASJC Scopus subject areas

Acoustics and Ultrasonics

Cite this

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title = "High isolation techniques for SAW duplexer modules",

abstract = "Isolation characteristics between transmitter and receiver ports for SAW antenna duplexer modules are studied in this paper. Two techniques for high isolation are presented. Optimized phase shifter conditions for SAW antenna duplexer modules at not 50 ohm cases have been analytically provided to achieve desired isolation performances. And switching circuit is proposed for high isolation characteristics. In order to confirm the prediction, obtained optimum phase condition and proposed circuit are applied to EGSM/DCS/PCS triple band SAW antenna duplexer modules.",

author = "Takashi Shiba and Naoko Kamogawa and Tatsuhiko Ishizaki and Daini Okajima and Norio Hosaka and Minoru Moteki and Seiichi Ogawa and Ogawa Oda and Mitsutaka Hikita",

year = "2002",

month = dec,

day = "1",

language = "English",

volume = "1",

pages = "105--108",

journal = "Proceedings - IEEE Ultrasonics Symposium",

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TY - JOUR

T1 - High isolation techniques for SAW duplexer modules

AU - Shiba, Takashi

AU - Kamogawa, Naoko

AU - Ishizaki, Tatsuhiko

AU - Okajima, Daini

AU - Hosaka, Norio

AU - Moteki, Minoru

AU - Ogawa, Seiichi

AU - Oda, Ogawa

AU - Hikita, Mitsutaka

PY - 2002/12/1

Y1 - 2002/12/1

N2 - Isolation characteristics between transmitter and receiver ports for SAW antenna duplexer modules are studied in this paper. Two techniques for high isolation are presented. Optimized phase shifter conditions for SAW antenna duplexer modules at not 50 ohm cases have been analytically provided to achieve desired isolation performances. And switching circuit is proposed for high isolation characteristics. In order to confirm the prediction, obtained optimum phase condition and proposed circuit are applied to EGSM/DCS/PCS triple band SAW antenna duplexer modules.

AB - Isolation characteristics between transmitter and receiver ports for SAW antenna duplexer modules are studied in this paper. Two techniques for high isolation are presented. Optimized phase shifter conditions for SAW antenna duplexer modules at not 50 ohm cases have been analytically provided to achieve desired isolation performances. And switching circuit is proposed for high isolation characteristics. In order to confirm the prediction, obtained optimum phase condition and proposed circuit are applied to EGSM/DCS/PCS triple band SAW antenna duplexer modules.

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M3 - Conference article

AN - SCOPUS:0036992273

SN - 1051-0117

VL - 1

SP - 105

EP - 108

JO - Proceedings - IEEE Ultrasonics Symposium

JF - Proceedings - IEEE Ultrasonics Symposium

T2 - 2002 IEEE Ultrasonics Symposium

Y2 - 8 October 2002 through 11 October 2002

ER -

High isolation techniques for SAW duplexer modules

Abstract

ASJC Scopus subject areas

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