1.9-GHz-Band Surface Acoustic Wave Device Using Second Leaky Mode on LiTaO3
| Title: | 1.9-GHz-Band Surface Acoustic Wave Device Using Second Leaky Mode on LiTaO3 |
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| Authors: | Yasumi Kobayashi, Yasumi Kobayashi, Naoki Tanaka, Naoki Tanaka, Kuniyuki Matsui, Kuniyuki Matsui, Hiroshi Okano, Hiroshi Okano, Tatsuro Usuki, Tatsuro Usuki, Kenichi Shibata, Kenichi Shibata |
| Source: | Japanese Journal of Applied Physics; May 1996, Vol. 35 Issue: 5 p2987-2987, 1p |
| Abstract: | The propagation characteristics of a new high-phase-velocity leaky surface acoustic wave (SAW) mode, which is called the second leaky mode, in a periodic structure on LiTaO3(90°, 90°, 31°) aere analyzed experimentally. The propagation loss is the lowest when the KH(K=wave number, H=Al electrode thickness) parameter is about 0.5. The higher mode of the second leaky mode is excited when the KHparameter is larger than 0.7. A ladder type band-pass SAW filter utilizing the second leaky mode on LiTaO3was designed and fabricated by applying the analysis results to the periodical structure. The pitch of the electrode fingers is 0.8 µ m. The center frequency of the pass band is 1.938 GHz. The minimum insertion loss is 3.3 dB. The attenuation at the center frequency ±100 MHz is 25 dB. The measured characteristics of this filter can be sufficient for practical mobile communication systems. |
| Database: | Supplemental Index |
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| Items | – Name: Title Label: Title Group: Ti Data: 1.9-GHz-Band Surface Acoustic Wave Device Using Second Leaky Mode on LiTaO3 – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Yasumi Kobayashi%2C+Yasumi Kobayashi%22">Yasumi Kobayashi, Yasumi Kobayashi</searchLink><br /><searchLink fieldCode="AR" term="%22Naoki Tanaka%2C+Naoki Tanaka%22">Naoki Tanaka, Naoki Tanaka</searchLink><br /><searchLink fieldCode="AR" term="%22Kuniyuki Matsui%2C+Kuniyuki Matsui%22">Kuniyuki Matsui, Kuniyuki Matsui</searchLink><br /><searchLink fieldCode="AR" term="%22Hiroshi Okano%2C+Hiroshi Okano%22">Hiroshi Okano, Hiroshi Okano</searchLink><br /><searchLink fieldCode="AR" term="%22Tatsuro Usuki%2C+Tatsuro Usuki%22">Tatsuro Usuki, Tatsuro Usuki</searchLink><br /><searchLink fieldCode="AR" term="%22Kenichi Shibata%2C+Kenichi Shibata%22">Kenichi Shibata, Kenichi Shibata</searchLink> – Name: TitleSource Label: Source Group: Src Data: Japanese Journal of Applied Physics; May 1996, Vol. 35 Issue: 5 p2987-2987, 1p – Name: Abstract Label: Abstract Group: Ab Data: The propagation characteristics of a new high-phase-velocity leaky surface acoustic wave (SAW) mode, which is called the second leaky mode, in a periodic structure on LiTaO3(90°, 90°, 31°) aere analyzed experimentally. The propagation loss is the lowest when the KH(K=wave number, H=Al electrode thickness) parameter is about 0.5. The higher mode of the second leaky mode is excited when the KHparameter is larger than 0.7. A ladder type band-pass SAW filter utilizing the second leaky mode on LiTaO3was designed and fabricated by applying the analysis results to the periodical structure. The pitch of the electrode fingers is 0.8 µ m. The center frequency of the pass band is 1.938 GHz. The minimum insertion loss is 3.3 dB. The attenuation at the center frequency ±100 MHz is 25 dB. The measured characteristics of this filter can be sufficient for practical mobile communication systems. |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1143/JJAP.35.2987 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 1 StartPage: 2987 Titles: – TitleFull: 1.9-GHz-Band Surface Acoustic Wave Device Using Second Leaky Mode on LiTaO3 Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Yasumi Kobayashi, Yasumi Kobayashi – PersonEntity: Name: NameFull: Naoki Tanaka, Naoki Tanaka – PersonEntity: Name: NameFull: Kuniyuki Matsui, Kuniyuki Matsui – PersonEntity: Name: NameFull: Hiroshi Okano, Hiroshi Okano – PersonEntity: Name: NameFull: Tatsuro Usuki, Tatsuro Usuki – PersonEntity: Name: NameFull: Kenichi Shibata, Kenichi Shibata IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 05 Text: May 1996 Type: published Y: 1996 Identifiers: – Type: issn-print Value: 00214922 – Type: issn-print Value: 13474065 Numbering: – Type: volume Value: 35 – Type: issue Value: 5 Titles: – TitleFull: Japanese Journal of Applied Physics Type: main |
| ResultId | 1 |