ATE488052T1 - Hochfrequenzschalter, hochfrequenz-schaltermodul und drahtloses nachrichtengerat - Google Patents
Hochfrequenzschalter, hochfrequenz-schaltermodul und drahtloses nachrichtengeratInfo
- Publication number
- ATE488052T1 ATE488052T1 AT00986004T AT00986004T ATE488052T1 AT E488052 T1 ATE488052 T1 AT E488052T1 AT 00986004 T AT00986004 T AT 00986004T AT 00986004 T AT00986004 T AT 00986004T AT E488052 T1 ATE488052 T1 AT E488052T1
- Authority
- AT
- Austria
- Prior art keywords
- frequency
- frequency switch
- phaseshifter
- high frequency
- bandpass filter
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract 3
Classifications
-
- 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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/10—Auxiliary devices for switching or interrupting
- H01P1/15—Auxiliary devices for switching or interrupting by semiconductor devices
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
- H04B1/48—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Electronic Switches (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
- Transmitters (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP37274799 | 1999-12-28 | ||
| PCT/JP2000/009435 WO2001048935A1 (en) | 1999-12-28 | 2000-12-28 | High-frequency switch, high-frequency switch module, and wireless communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE488052T1 true ATE488052T1 (de) | 2010-11-15 |
Family
ID=18500988
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT00986004T ATE488052T1 (de) | 1999-12-28 | 2000-12-28 | Hochfrequenzschalter, hochfrequenz-schaltermodul und drahtloses nachrichtengerat |
| AT10005954T ATE545206T1 (de) | 1999-12-28 | 2000-12-28 | Hochfrequenzschaltung, hochfrequenzschaltmodul und drahtlose kommunikationsvorrichtung damit |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT10005954T ATE545206T1 (de) | 1999-12-28 | 2000-12-28 | Hochfrequenzschaltung, hochfrequenzschaltmodul und drahtlose kommunikationsvorrichtung damit |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US7003312B2 (de) |
| EP (2) | EP1168650B1 (de) |
| JP (3) | JP4336931B2 (de) |
| AT (2) | ATE488052T1 (de) |
| DE (1) | DE60045215D1 (de) |
| HK (1) | HK1043263B (de) |
| WO (1) | WO2001048935A1 (de) |
Families Citing this family (69)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1249928C (zh) * | 2000-08-22 | 2006-04-05 | 日立金属株式会社 | 叠层体型高频开关模块 |
| WO2002037709A1 (en) * | 2000-11-01 | 2002-05-10 | Hitachi Metals, Ltd. | High-frequency switch module |
| EP1223634A3 (de) | 2000-12-26 | 2003-08-13 | Matsushita Electric Industrial Co., Ltd. | Hochfrequenzschalter, laminierter Hochfrequenzschalter, Hochfrequenz-Funkeinheit und Hochfrequenz-Schaltverfahren |
| JP2002204135A (ja) * | 2000-12-28 | 2002-07-19 | Matsushita Electric Ind Co Ltd | 高周波低域通過フィルタ |
| JP2002246942A (ja) * | 2001-02-19 | 2002-08-30 | Sony Corp | スイッチ装置および携帯通信端末装置 |
| DE60224117T2 (de) * | 2001-03-29 | 2008-04-10 | Matsushita Electric Industrial Co., Ltd., Kadoma | Hochfrequenzschalter und Funkgerät |
| US6865376B2 (en) * | 2001-07-03 | 2005-03-08 | Kyocera Wireless Corp. | System and method for a GPS enabled antenna |
| JP4737580B2 (ja) * | 2001-07-23 | 2011-08-03 | 日立金属株式会社 | 複合高周波部品及びそれを用いた無線送受信装置 |
| FR2828626A1 (fr) * | 2001-08-09 | 2003-02-14 | Sagem | Systeme d'emission/reception pour telephone mobile multibande et multimode |
| FR2828624A1 (fr) * | 2001-08-09 | 2003-02-14 | Sagem | Systeme d'emission/reception pour telephone mobile multibande et multimode |
| US7027777B2 (en) * | 2001-10-30 | 2006-04-11 | Matsushita Electric Industrial Co., Ltd. | High frequency switch and high frequency radio communication apparatus |
| JP2003143033A (ja) * | 2001-11-01 | 2003-05-16 | Hitachi Metals Ltd | 高周波スイッチモジュール |
| US7277403B2 (en) * | 2001-12-13 | 2007-10-02 | Avago Technologies Wireless Ip (Singapore) Pte Ltd | Duplexer with a differential receiver port implemented using acoustic resonator elements |
| US7167687B2 (en) | 2002-01-31 | 2007-01-23 | Hitachi Metals, Ltd. | Switch circuit and composite high-frequency part |
| JP2003347963A (ja) * | 2002-05-27 | 2003-12-05 | Samsung Electro Mech Co Ltd | 高周波複合部品 |
| GB0217932D0 (en) * | 2002-08-02 | 2002-09-11 | Koninkl Philips Electronics Nv | High frequency module |
| WO2004036778A1 (en) * | 2002-10-14 | 2004-04-29 | Koninklijke Philips Electronics N.V. | Transmit and receive antenna switch |
| EP1414102A1 (de) * | 2002-10-25 | 2004-04-28 | Siemens Aktiengesellschaft | Antennenschalter |
| EP1445872B1 (de) | 2003-02-05 | 2012-06-13 | Hitachi Metals, Ltd. | Schaltung und Modul zur Antennenumschaltung |
| JP3752230B2 (ja) | 2003-02-14 | 2006-03-08 | Tdk株式会社 | フロントエンドモジュール |
| JP3761000B2 (ja) * | 2003-02-14 | 2006-03-29 | 日立金属株式会社 | スイッチ回路及び複合高周波部品 |
| US7376440B2 (en) * | 2003-04-16 | 2008-05-20 | Kyocera Wireless Corp. | N-plexer systems and methods for use in a wireless communications device |
| US7049906B2 (en) | 2003-05-29 | 2006-05-23 | Sony Ericsson Mobile Communications Ab | Quad band antenna interface modules including matching network ports |
| JP4029779B2 (ja) | 2003-06-05 | 2008-01-09 | 株式会社村田製作所 | 高周波モジュールおよび通信装置 |
| JP3917112B2 (ja) * | 2003-06-26 | 2007-05-23 | 日本電信電話株式会社 | マルチビームアンテナ |
| JP3905866B2 (ja) * | 2003-06-26 | 2007-04-18 | ソニー株式会社 | アンテナ切り替え回路およびこれを用いた無線通信装置 |
| US7245882B1 (en) * | 2003-07-17 | 2007-07-17 | Atheros Communications, Inc. | Method and apparatus for a signal selective RF transceiver system |
| JP3810011B2 (ja) * | 2003-08-08 | 2006-08-16 | Tdk株式会社 | 高周波スイッチモジュールおよび高周波スイッチモジュール用多層基板 |
| JP3919194B2 (ja) * | 2003-08-11 | 2007-05-23 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | フロントエンドモジュール |
| US6990357B2 (en) * | 2003-10-17 | 2006-01-24 | Nokia Corporation | Front-end arrangements for multiband multimode communication engines |
| DE10352642B4 (de) | 2003-11-11 | 2018-11-29 | Snaptrack, Inc. | Schaltung mit verringerter Einfügedämpfung und Bauelement mit der Schaltung |
| US7711389B2 (en) * | 2003-11-11 | 2010-05-04 | Murata Manufacturing Co., Ltd. | High frequency module |
| KR101065344B1 (ko) * | 2003-12-11 | 2011-09-16 | 히타치 긴조쿠 가부시키가이샤 | 멀티 밴드 고주파 회로, 멀티 밴드 고주파 회로 부품 및이것을 이용한 멀티 밴드 통신 장치 |
| US20050245201A1 (en) * | 2004-04-30 | 2005-11-03 | Nokia Corporation | Front-end topology for multiband multimode communication engines |
| WO2006003959A1 (ja) * | 2004-06-30 | 2006-01-12 | Hitachi Metals, Ltd. | 高周波回路、高周波部品及びマルチバンド通信装置 |
| GB0426443D0 (en) * | 2004-12-02 | 2005-01-05 | Koninkl Philips Electronics Nv | Distributed diplexer |
| JP4552193B2 (ja) * | 2005-02-24 | 2010-09-29 | 日立金属株式会社 | マルチバンド高周波モジュールおよびこれを用いたマルチバンド通信装置 |
| DE602005010202D1 (de) * | 2005-02-28 | 2008-11-20 | Tdk Corp | Zweimoden Antennenschaltmodul |
| US7187230B2 (en) * | 2005-03-18 | 2007-03-06 | Nokia Corporation | Transferred-impedance filtering in RF receivers |
| TWI252605B (en) * | 2005-05-31 | 2006-04-01 | Ind Tech Res Inst | Multilayered chip-type triplexer |
| US20070030095A1 (en) * | 2005-08-05 | 2007-02-08 | Mitsutaka Hikita | Antenna duplexer and wireless terminal using the same |
| US20070173210A1 (en) * | 2006-01-26 | 2007-07-26 | Lg Innotek Co., Ltd | Signal processing apparatus |
| US20080102762A1 (en) * | 2006-10-30 | 2008-05-01 | Lianjun Liu | Methods and apparatus for a hybrid antenna switching system |
| DE102006052433A1 (de) * | 2006-11-07 | 2008-05-08 | Rohde & Schwarz Gmbh & Co. Kg | Hochfrequenz-Umschalter |
| US20100053836A1 (en) * | 2007-03-26 | 2010-03-04 | Lincheng Xiu | Two stage surge protection for single wire multi switch transceiver |
| DE102007021581B4 (de) | 2007-05-08 | 2018-09-27 | Snaptrack Inc. | Elektrisches Bauelement mit einer Frontend-Schaltung |
| US8260347B2 (en) * | 2008-05-20 | 2012-09-04 | Intel Mobile Communications GmbH | Radio frequency communication devices and methods |
| US20090289861A1 (en) * | 2008-05-20 | 2009-11-26 | Infineon Technologies Ag | Radio frequency communication devices and methods |
| US8565814B2 (en) * | 2008-08-28 | 2013-10-22 | Intel Mobile Communications GmbH | Radio frequency communication devices and methods |
| EP2340639A4 (de) * | 2008-10-31 | 2016-06-08 | Unwired Planet Internat Ltd | Verfahren und anordnung in einem mehrträger-kommunikationsnetzwerksystem |
| US8457685B1 (en) * | 2009-04-20 | 2013-06-04 | Rf Micro Devices, Inc. | Method and system for increasing efficiency in a radio front-end |
| JP2012023440A (ja) * | 2010-07-12 | 2012-02-02 | Sony Corp | 通信装置、通信システム及び通信方法 |
| JP5187361B2 (ja) * | 2010-08-16 | 2013-04-24 | 株式会社村田製作所 | 高周波モジュール |
| US9252830B2 (en) | 2010-12-10 | 2016-02-02 | Blackberry Limited | Communications device with multiple receive and transmit paths and related methods |
| CN102104392B (zh) | 2010-12-15 | 2013-10-09 | 华为技术有限公司 | 多频段多路收发设备及方法、基站系统 |
| CN103283152B (zh) * | 2011-01-06 | 2015-06-24 | 株式会社村田制作所 | 高频模块 |
| US8324964B2 (en) | 2011-01-25 | 2012-12-04 | Rf Micro Devices, Inc. | High efficiency multiple power mode linear radio frequency power amplifier |
| US8750809B2 (en) * | 2011-08-03 | 2014-06-10 | Blackberry Limited | Mobile wireless communications device with selectively controlled antenna and filter switches and related methods |
| KR20130127782A (ko) * | 2012-05-15 | 2013-11-25 | 삼성전기주식회사 | 스위칭 회로 및 이를 포함하는 무선통신 시스템 |
| US20140179241A1 (en) * | 2012-12-20 | 2014-06-26 | Qualcomm Incorporated | Concurrent matching network using transmission lines for low loss |
| US9843342B2 (en) | 2014-08-12 | 2017-12-12 | Qorvo Us, Inc. | Tunable RF transmit/receive multiplexer |
| US9780866B2 (en) | 2014-08-12 | 2017-10-03 | Qorvo Us, Inc. | Configurable RF transmit/receive multiplexer |
| US10312960B2 (en) | 2014-08-12 | 2019-06-04 | Qorvo Us, Inc. | Switchable RF transmit/receive multiplexer |
| GB2547119B (en) * | 2014-08-29 | 2021-10-06 | Skyworks Solutions Inc | Domino circuit and related architectures and methods for carrier aggregation |
| US10547336B2 (en) * | 2015-10-23 | 2020-01-28 | Qorvo Us, Inc. | Radio frequency circuitry for carrier aggregation |
| CN109906551A (zh) * | 2016-11-08 | 2019-06-18 | 三菱电机株式会社 | 多波段滤波器 |
| US10560867B2 (en) | 2016-12-29 | 2020-02-11 | Qorvo Us, Inc. | Reducing intermodulation distortion in a radio frequency circuit |
| KR101912288B1 (ko) * | 2017-06-12 | 2018-10-29 | 삼성전기 주식회사 | 파워 증폭 시스템의 밴드 선택 스위치 장치 |
| EP3506502B1 (de) * | 2017-12-07 | 2021-06-09 | Infineon Technologies AG | Bandpassfilter verwendend gekoppelte akustische resonatoren |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB233669A (de) | 1924-05-06 | 1925-12-17 | J.P. Bemberg Aktiengesellschaft | |
| JP3291846B2 (ja) * | 1992-07-08 | 2002-06-17 | 松下電器産業株式会社 | アンテナスイッチ共用器 |
| JP3161831B2 (ja) * | 1992-09-09 | 2001-04-25 | 株式会社日立製作所 | 回路素子モジュール |
| JP2874496B2 (ja) | 1992-12-26 | 1999-03-24 | 株式会社村田製作所 | 高周波スイッチ |
| US5365138A (en) * | 1993-12-02 | 1994-11-15 | Northern Telecom Limited | Double mode surface wave resonators |
| JP3183012B2 (ja) * | 1993-12-28 | 2001-07-03 | 株式会社村田製作所 | 高周波スイッチ |
| JPH07226607A (ja) * | 1994-02-10 | 1995-08-22 | Hitachi Ltd | 分波器、分波器モジュールおよび無線通信装置 |
| JP3445833B2 (ja) | 1994-07-08 | 2003-09-08 | アルパイン株式会社 | 車載用ナビゲーション装置 |
| JPH08237166A (ja) * | 1995-02-24 | 1996-09-13 | Murata Mfg Co Ltd | Rfスイッチ内蔵アンテナ共用器 |
| DE69615914T2 (de) * | 1995-05-16 | 2002-04-04 | Matsushita Electric Industrial Co., Ltd. | Funkübertragungsvorrichtung für Zeitmultiplex-Vielfachzugriffssystem |
| JPH08321738A (ja) * | 1995-05-24 | 1996-12-03 | Matsushita Electric Ind Co Ltd | 二周波数帯域通過フィルタ及び二周波数分波器及び二周波数合成器 |
| US5786738A (en) * | 1995-05-31 | 1998-07-28 | Fujitsu Limited | Surface acoustic wave filter duplexer comprising a multi-layer package and phase matching patterns |
| JP3139327B2 (ja) * | 1995-05-31 | 2001-02-26 | 株式会社村田製作所 | 高周波複合部品 |
| US5835990A (en) * | 1995-06-16 | 1998-11-10 | Northern Telecom Limited | Longitudinally coupled double mode surface wave resonators |
| DE69612041T2 (de) * | 1995-07-24 | 2001-08-02 | Murata Mfg. Co., Ltd. | Hochfrequenzschalter |
| US6070059A (en) * | 1995-12-05 | 2000-05-30 | Murata Manufacturing Co., Ltd. | High-frequency switch |
| US5915212A (en) * | 1996-08-29 | 1999-06-22 | Ericsson Inc. | System and method for achieving extended radio coverage and additional capacity using extended frequency bands |
| JP3094920B2 (ja) * | 1996-10-11 | 2000-10-03 | 日本電気株式会社 | 半導体スイッチ |
| JPH10145270A (ja) * | 1996-11-14 | 1998-05-29 | Murata Mfg Co Ltd | 高周波デバイス |
| JPH10261934A (ja) * | 1997-03-18 | 1998-09-29 | Mitsubishi Materials Corp | 圧電薄膜共振子 |
| JPH11154804A (ja) * | 1997-11-20 | 1999-06-08 | Hitachi Ltd | 高周波回路装置 |
| ES2268505T3 (es) * | 1997-12-03 | 2007-03-16 | Hitachi Metals, Ltd. | Modulo de conmutacion multibanda de alta frecuencia. |
| JP2983016B2 (ja) * | 1997-12-03 | 1999-11-29 | 日立金属株式会社 | マルチバンド用高周波スイッチモジュール |
| JP4120902B2 (ja) * | 1997-12-03 | 2008-07-16 | 日立金属株式会社 | マルチバンド用高周波スイッチモジュール |
| JP3191213B2 (ja) * | 1998-04-28 | 2001-07-23 | 日立金属株式会社 | 高周波スイッチモジュール |
| JPH11355174A (ja) * | 1998-06-11 | 1999-12-24 | Tokin Corp | アンテナ共用器 |
| JP3304901B2 (ja) * | 1998-11-27 | 2002-07-22 | 株式会社村田製作所 | 複合高周波部品及びそれを用いた移動体通信装置 |
| JP3484090B2 (ja) * | 1998-12-22 | 2004-01-06 | 株式会社日立製作所 | スイッチ型アンテナ共用器および移動無線端末 |
| JP2000286609A (ja) * | 1999-03-31 | 2000-10-13 | Kyocera Corp | アンテナ回路 |
-
2000
- 2000-12-28 EP EP00986004A patent/EP1168650B1/de not_active Expired - Lifetime
- 2000-12-28 AT AT00986004T patent/ATE488052T1/de not_active IP Right Cessation
- 2000-12-28 HK HK02104780.4A patent/HK1043263B/en not_active IP Right Cessation
- 2000-12-28 EP EP10005954A patent/EP2239863B1/de not_active Expired - Lifetime
- 2000-12-28 US US09/914,448 patent/US7003312B2/en not_active Expired - Lifetime
- 2000-12-28 JP JP2001548537A patent/JP4336931B2/ja not_active Expired - Lifetime
- 2000-12-28 AT AT10005954T patent/ATE545206T1/de active
- 2000-12-28 WO PCT/JP2000/009435 patent/WO2001048935A1/ja not_active Ceased
- 2000-12-28 DE DE60045215T patent/DE60045215D1/de not_active Expired - Lifetime
-
2005
- 2005-10-05 US US11/242,926 patent/US7471962B2/en not_active Expired - Lifetime
-
2008
- 2008-11-13 JP JP2008291424A patent/JP4324814B2/ja not_active Expired - Lifetime
-
2009
- 2009-05-07 JP JP2009112648A patent/JP4458304B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP4458304B2 (ja) | 2010-04-28 |
| JP2009207168A (ja) | 2009-09-10 |
| EP1168650B1 (de) | 2010-11-10 |
| WO2001048935A1 (en) | 2001-07-05 |
| US20060030355A1 (en) | 2006-02-09 |
| EP2239863A2 (de) | 2010-10-13 |
| HK1043263A1 (en) | 2002-09-06 |
| DE60045215D1 (de) | 2010-12-23 |
| ATE545206T1 (de) | 2012-02-15 |
| JP4324814B2 (ja) | 2009-09-02 |
| JP2009089412A (ja) | 2009-04-23 |
| EP2239863B1 (de) | 2012-02-08 |
| JP4336931B2 (ja) | 2009-09-30 |
| HK1144986A1 (en) | 2011-03-18 |
| EP2239863A3 (de) | 2010-11-10 |
| EP1168650A4 (de) | 2007-04-11 |
| US20020183016A1 (en) | 2002-12-05 |
| US7471962B2 (en) | 2008-12-30 |
| EP1168650A1 (de) | 2002-01-02 |
| HK1043263B (en) | 2011-02-18 |
| US7003312B2 (en) | 2006-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE488052T1 (de) | Hochfrequenzschalter, hochfrequenz-schaltermodul und drahtloses nachrichtengerat | |
| SE0100775L (sv) | A antenna coupling device | |
| ATE443947T1 (de) | Hochfrequenzmodul | |
| NO984701D0 (no) | H°yfrekvens-overf°ringslinje, dielektrisk resonator, filter, duplekser og kommunikasjonsanordning | |
| WO2003015301A1 (en) | Bypass filter, multi-band antenna switch circuit, and layered module composite part and communication device using them | |
| TW200513025A (en) | Impedance circuit, and filter circuit, amplitude circuit, semiconductor integrated circuit, electronic device and wireless communication device using the same | |
| ATE141450T1 (de) | Unterteilende kaskadenschaltung für eine zwischenstation in einem radio-telefonnetzwerk | |
| CN108288958A (zh) | 低通滤波器 | |
| SE9402495D0 (sv) | Radiomottagningsanordning | |
| ATE498245T1 (de) | Impedanzanpassungsschaltung für ein mehrbandradiogerät | |
| AU2001283924A1 (en) | Frequency multiplexer | |
| EP1345322A4 (de) | Leistungsverstaerker und kommunikationsgeraet | |
| US5406236A (en) | Ceramic block filter having nonsymmetrical input and output impedances and combined radio communication apparatus | |
| DE50203143D1 (de) | Schaltungsanordnung zum kompensieren der dämpfung in einem antennenzuleitungskabel für ein mobilfunkgerät | |
| EP1158596A3 (de) | Dielektrisches Filter, Duplexer und Kommunikationsgerät damit | |
| ATE480908T1 (de) | Hf-schalter für eine drahtlose kommunikationsvorrichtung | |
| KR100423187B1 (ko) | 다중밴드 전력증폭장치 | |
| JPH05327403A (ja) | 帯域フィルタ | |
| WO2025259577A3 (en) | Tunable radio frequency front-end (rffe) circuitry | |
| KR20020031465A (ko) | 다중대역용 신호처리장치 | |
| SU1681391A1 (ru) | Переключаемое частотно-селективное устройство | |
| JP2000244342A (ja) | 送信回路 | |
| GB1309417A (en) | Frequency band-width dividing networks | |
| RU1778827C (ru) | Способ последовательного согласовани импедансов в диапазоне дискретных частот | |
| JPH11163765A (ja) | 通信装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |