KR102556605B1 - 듀플렉서 디바이스 - Google Patents
듀플렉서 디바이스 Download PDFInfo
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- KR102556605B1 KR102556605B1 KR1020150173324A KR20150173324A KR102556605B1 KR 102556605 B1 KR102556605 B1 KR 102556605B1 KR 1020150173324 A KR1020150173324 A KR 1020150173324A KR 20150173324 A KR20150173324 A KR 20150173324A KR 102556605 B1 KR102556605 B1 KR 102556605B1
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- duplexer
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- 230000005540 biological transmission Effects 0.000 claims abstract description 78
- 230000008030 elimination Effects 0.000 claims abstract description 34
- 238000003379 elimination reaction Methods 0.000 claims abstract description 34
- 238000010897 surface acoustic wave method Methods 0.000 claims description 44
- 239000000758 substrate Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 27
- 238000010586 diagram Methods 0.000 description 15
- 230000000903 blocking effect Effects 0.000 description 6
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/72—Networks using surface acoustic waves
- H03H9/725—Duplexers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/2002—Dielectric waveguide filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
- H03H9/02559—Characteristics of substrate, e.g. cutting angles of lithium niobate or lithium-tantalate substrates
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders or supports
- H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
- H03H9/0566—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers
- H03H9/0576—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers including surface acoustic wave [SAW] devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6406—Filters characterised by a particular frequency characteristic
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6406—Filters characterised by a particular frequency characteristic
- H03H9/6409—SAW notch filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
- H04B1/1036—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/19—Conjugate devices, i.e. devices having at least one port decoupled from one other port of the junction type
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Transceivers (AREA)
Abstract
[해결 수단] 본 발명의 듀플렉서 디바이스는, 안테나 단자, 송신 단자 및 수신 단자를 갖고, 소정의 송신 대역 및 수신 대역을 구비한 듀플렉서와, 상기 안테나 단자, 상기 송신 단자 및 상기 수신 단자 중 적어도 1개에 스위치를 개재하여 접속되고, 상기 스위치의 전환에 의해서 상기 소정의 송신 대역 및 수신 대역 중 적어도 일방의 대역의 일부를 억압하는 대역 저지 필터를 구비한다.
Description
도 2는 본 발명에 관련된 듀플렉서의 일례를 나타낸 블럭도이다.
도 3은 송신 대역, 수신 대역 및 저지 대역의 관계를 나타낸 모식도이다.
도 4는 송신 특성, 수신 특성 및 저지 특성의 관계를 나타낸 모식도이다.
도 5는 본 발명의 제 2 실시 형태에 관련된 듀플렉서 디바이스의 구성을 나타낸 블럭도이다.
도 6은 본 발명의 제 2 실시 형태에 관련된 제어부의 동작의 흐름을 나타낸 플로우차트이다.
도 7은 송신 대역 및 수신 대역과 그 외의 통신 시스템의 주파수 대역이 부분적으로 겹치는 경우를 설명하기 위한 모식도이다.
10: 듀플렉서
20: 대역 저지 필터
30a, 30b: 스위치
31: 송신 배선
40: 제어부
41, 61: 송신 대역
42, 62: 수신 대역
43, 63: 타 대역
51: 송신 특성
52: 수신 특성
53: 저지 특성
Claims (9)
- 안테나 단자, 송신 단자 및 수신 단자를 갖고, 소정의 송신 대역 및 수신 대역을 구비한 듀플렉서;
상기 안테나 단자, 상기 송신 단자 및 상기 수신 단자 중 적어도 1개에 스위치를 개재하여 접속되고, 상기 스위치의 전환에 의해서 상기 소정의 송신 대역 및 수신 대역 중 적어도 일방의 대역의 일부를 억압하는 대역 저지 필터; 및
상기 스위치의 전환을 제어하는 제어부;
를 포함하고,
상기 듀플렉서는,
제 1 탄성 표면파 장치 및 제 2 탄성 표면파 장치를 포함하며,
상기 제 1 탄성 표면파 장치 및 제 2 탄성 표면파 장치의 입력 단자 및 출력 단자는 공통적이고,
상기 제 1 탄성 표면파 장치의 통과 대역은, 상기 제 2 탄성 표면파 장치보다 낮고,
또한 상기 제 1 탄성 표면파 장치의 통과 대역의 고주파측의 주파수가, 상기 제 2 탄성 표면파 장치의 통과 대역의 저주파측의 주파수와 부분적으로 겹치는, 듀플렉서 디바이스. - 제 1 항에 있어서,
상기 대역 저지 필터는, 상기 송신 대역 및 상기 수신 대역 중 적어도 일방과 부분적으로 겹치는 타 대역이 존재하는 경우에, 상기 송신 대역 및 상기 수신 대역 중 적어도 일방과 상기 타 대역과 겹치는 주파수 대역을 부분적으로 억압하는, 듀플렉서 디바이스. - 삭제
- 삭제
- 제 2 항에 있어서,
상기 제어부는, 상기 송신 대역 및 상기 수신 대역 중 적어도 일방의 상기 타 대역에 따라서 상기 스위치를 전환하는, 듀플렉서 디바이스. - 제 1 항에 있어서,
상기 듀플렉서는, 전기 기계 결합 상수가 11% 이상인 압전 기판으로 구성되어 있는, 듀플렉서 디바이스. - 삭제
- 삭제
- 삭제
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150173324A KR102556605B1 (ko) | 2015-12-07 | 2015-12-07 | 듀플렉서 디바이스 |
| US15/364,406 US10236862B2 (en) | 2015-12-07 | 2016-11-30 | Duplexer device |
| CN201611089178.3A CN107040238A (zh) | 2015-12-07 | 2016-12-01 | 双工器设备 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150173324A KR102556605B1 (ko) | 2015-12-07 | 2015-12-07 | 듀플렉서 디바이스 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170066997A KR20170066997A (ko) | 2017-06-15 |
| KR102556605B1 true KR102556605B1 (ko) | 2023-07-17 |
Family
ID=58799325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150173324A Active KR102556605B1 (ko) | 2015-12-07 | 2015-12-07 | 듀플렉서 디바이스 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US10236862B2 (ko) |
| KR (1) | KR102556605B1 (ko) |
| CN (1) | CN107040238A (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023282330A1 (ja) * | 2021-07-08 | 2023-01-12 | 株式会社村田製作所 | 弾性波素子、弾性波フィルタ装置およびマルチプレクサ |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150236798A1 (en) * | 2013-03-14 | 2015-08-20 | Peregrine Semiconductor Corporation | Methods for Increasing RF Throughput Via Usage of Tunable Filters |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1111256A1 (ru) * | 1983-06-29 | 1984-08-30 | Предприятие П/Я В-2203 | Устройство подавлени узкополосных помех |
| JPH01200726A (ja) * | 1988-02-04 | 1989-08-11 | Matsushita Electric Ind Co Ltd | アンテナ共用器 |
| FI88565C (fi) * | 1990-07-06 | 1993-05-25 | Lk Products Oy | Foerfarande foer att foerbaettra spaerrdaempning av ett radiofrekvensfilter |
| JPH09121138A (ja) * | 1995-08-24 | 1997-05-06 | Fujitsu Ltd | フィルタ装置及びこれを用いた無線装置 |
| JP3739858B2 (ja) * | 1996-06-14 | 2006-01-25 | 松下電器産業株式会社 | 高周波フィルタ |
| JP2002171315A (ja) * | 2000-12-01 | 2002-06-14 | Toshiba Corp | 車載対応型携帯端末装置 |
| DE60219385T2 (de) * | 2001-02-27 | 2007-08-09 | Matsushita Electric Industrial Co., Ltd., Kadoma | Antennenduplexer und mobile Kommunikationseinrichtung, die diesen benutzt |
| EP1298756A3 (en) * | 2001-10-01 | 2004-01-02 | Matsushita Electric Industrial Co., Ltd. | Composite filter, antenna duplexer, and communication apparatus |
| US6833774B2 (en) * | 2002-06-25 | 2004-12-21 | Sawtek, Inc. | Surface acoustic wave filter |
| DE10352642B4 (de) * | 2003-11-11 | 2018-11-29 | Snaptrack, Inc. | Schaltung mit verringerter Einfügedämpfung und Bauelement mit der Schaltung |
| US8270927B2 (en) * | 2004-03-29 | 2012-09-18 | Qualcom, Incorporated | Adaptive interference filtering |
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| EP1775847B1 (en) * | 2004-08-06 | 2012-06-13 | Murata Manufacturing Co., Ltd. | High frequency composite component |
| JP4267579B2 (ja) * | 2005-01-31 | 2009-05-27 | パナソニック株式会社 | マルチモード通信装置 |
| JP2010136298A (ja) * | 2008-12-08 | 2010-06-17 | Sony Ericsson Mobilecommunications Japan Inc | 携帯無線端末 |
| JP5075188B2 (ja) * | 2009-12-03 | 2012-11-14 | 株式会社エヌ・ティ・ティ・ドコモ | 無線通信端末 |
| JP5603209B2 (ja) * | 2010-11-10 | 2014-10-08 | 太陽誘電株式会社 | 分波器及びこれを備えた電子装置 |
| US8711993B2 (en) * | 2010-12-10 | 2014-04-29 | Honeywell International Inc. | Wideband multi-channel receiver with fixed-frequency notch filter for interference rejection |
| US9673155B2 (en) * | 2014-02-14 | 2017-06-06 | Peregrine Semiconductor Corporation | Integrated tunable filter architecture |
-
2015
- 2015-12-07 KR KR1020150173324A patent/KR102556605B1/ko active Active
-
2016
- 2016-11-30 US US15/364,406 patent/US10236862B2/en active Active
- 2016-12-01 CN CN201611089178.3A patent/CN107040238A/zh active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150236798A1 (en) * | 2013-03-14 | 2015-08-20 | Peregrine Semiconductor Corporation | Methods for Increasing RF Throughput Via Usage of Tunable Filters |
Also Published As
| Publication number | Publication date |
|---|---|
| US20170163244A1 (en) | 2017-06-08 |
| US10236862B2 (en) | 2019-03-19 |
| KR20170066997A (ko) | 2017-06-15 |
| CN107040238A (zh) | 2017-08-11 |
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