GB9825099D0 - High-frequency circuit device - Google Patents

High-frequency circuit device

Info

Publication number
GB9825099D0
GB9825099D0 GBGB9825099.6A GB9825099A GB9825099D0 GB 9825099 D0 GB9825099 D0 GB 9825099D0 GB 9825099 A GB9825099 A GB 9825099A GB 9825099 D0 GB9825099 D0 GB 9825099D0
Authority
GB
United Kingdom
Prior art keywords
circuit device
frequency circuit
frequency
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GBGB9825099.6A
Other versions
GB2333669A (en
GB2333669B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Media Electronics Co Ltd
Original Assignee
Hitachi Media Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Media Electronics Co Ltd filed Critical Hitachi Media Electronics Co Ltd
Publication of GB9825099D0 publication Critical patent/GB9825099D0/en
Publication of GB2333669A publication Critical patent/GB2333669A/en
Application granted granted Critical
Publication of GB2333669B publication Critical patent/GB2333669B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; 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
    • 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
    • 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
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Transceivers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
GB9825099A 1997-11-20 1998-11-16 High-frequency circuit device Expired - Fee Related GB2333669B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9319314A JPH11154804A (en) 1997-11-20 1997-11-20 High frequency circuit device

Publications (3)

Publication Number Publication Date
GB9825099D0 true GB9825099D0 (en) 1999-01-13
GB2333669A GB2333669A (en) 1999-07-28
GB2333669B GB2333669B (en) 2003-01-22

Family

ID=18108822

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9825099A Expired - Fee Related GB2333669B (en) 1997-11-20 1998-11-16 High-frequency circuit device

Country Status (4)

Country Link
JP (1) JPH11154804A (en)
DE (1) DE19853484A1 (en)
FR (1) FR2771232B1 (en)
GB (1) GB2333669B (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020068530A1 (en) * 1998-09-25 2002-06-06 Leo L. Li Device and process for coupling multi-band transmitters and receivers and communication system employing same
JP3304898B2 (en) 1998-11-20 2002-07-22 株式会社村田製作所 Composite high frequency component and mobile communication device using the same
JP4207328B2 (en) * 1999-09-14 2009-01-14 ソニー株式会社 Antenna switching circuit and communication device using the same
JP2001102957A (en) * 1999-09-28 2001-04-13 Murata Mfg Co Ltd Composite high-frequency component and mobile communication device using same
WO2001045285A1 (en) * 1999-12-14 2001-06-21 Matsushita Electric Industrial Co. Ltd. High-frequency composite switch component
DE60045215D1 (en) * 1999-12-28 2010-12-23 Hitachi Metals Ltd HIGH FREQUENCY SWITCH, HIGH FREQUENCY SWITCH MODULE AND WIRELESS MESSAGE DEVICE
DE10003704A1 (en) * 2000-01-28 2001-08-09 Infineon Technologies Ag Bandpass filter circuit for mobile radio communications device - has input signal switched between inputs of at least 2 parallel bandpass filters via preceding IC device
JP3371887B2 (en) 2000-03-23 2003-01-27 株式会社村田製作所 Mobile communication device and high-frequency composite component used therefor
JP2002064400A (en) * 2000-06-09 2002-02-28 Hitachi Metals Ltd High frequency switch module
JP3875458B2 (en) 2000-06-30 2007-01-31 株式会社東芝 Transmitter / receiver integrated high-frequency device
JP3711846B2 (en) 2000-07-27 2005-11-02 株式会社村田製作所 High frequency module and mobile communication device using the same
JP2002118487A (en) 2000-10-06 2002-04-19 Matsushita Electric Ind Co Ltd High-frequency composite switch module
US7253702B2 (en) 2000-11-01 2007-08-07 Hitachi Metals, Ltd. High-frequency switch module
EP1223634A3 (en) 2000-12-26 2003-08-13 Matsushita Electric Industrial Co., Ltd. High-frequency switch, laminated high-frequency switch, high-frequency radio unit, and high-frequency switching method
US7180473B2 (en) * 2001-02-23 2007-02-20 Yokowo Co., Ltd. Antenna with built-in filter
JP2003087149A (en) * 2001-09-14 2003-03-20 Matsushita Electric Ind Co Ltd High frequency composite switch module
JP2003087150A (en) 2001-09-14 2003-03-20 Matsushita Electric Ind Co Ltd High frequency composite switch module
CN1484892A (en) 2001-09-21 2004-03-24 ���µ�����ҵ��ʽ���� High-frequency device
GB2387995B (en) * 2002-04-23 2006-01-25 Hutchison Whampoa Three G Ip Improved portable telecommunication terminal
KR101047731B1 (en) 2003-09-01 2011-07-08 엘지이노텍 주식회사 Duplexer circuit
US7606184B2 (en) 2005-01-04 2009-10-20 Tdk Corporation Multiplexers employing bandpass-filter architectures
US20070030095A1 (en) 2005-08-05 2007-02-08 Mitsutaka Hikita Antenna duplexer and wireless terminal using the same
DE102005037040A1 (en) 2005-08-05 2007-02-08 Epcos Ag Electrical component
DE102010048619A1 (en) * 2010-10-15 2012-04-19 Epcos Ag antenna array
KR101287692B1 (en) 2011-07-13 2013-07-24 삼성전기주식회사 Switching circuit sharing resistor
WO2016152603A1 (en) 2015-03-25 2016-09-29 株式会社村田製作所 Phase shifter, impedance matching circuit, multiplexer/demultiplexer and communication terminal device
JP6822299B2 (en) * 2016-07-15 2021-01-27 株式会社村田製作所 High frequency front end circuits and communication equipment
WO2018016340A1 (en) 2016-07-20 2018-01-25 株式会社村田製作所 Phase shifter module, multiplexer/demultiplexer, and communication device
CN112186317B (en) * 2020-09-25 2022-03-18 立讯精密工业（滁州）有限公司 Combiner

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61148924A (en) * 1984-12-21 1986-07-07 Toshiba Corp Antenna switching circuit
DE4008632C2 (en) * 1990-03-17 1994-05-19 Bosch Gmbh Robert Antenna switch
FI913086A0 (en) * 1991-06-25 1991-06-25 Lk Products Oy KOPPLINGSANORDNING AV FILTER FOER SIMPLEX-TRAFIK.
JP3291846B2 (en) * 1992-07-08 2002-06-17 松下電器産業株式会社 Antenna switch duplexer
JPH06291696A (en) * 1993-03-30 1994-10-18 Sony Corp Antenna sharing unit
JPH08321738A (en) * 1995-05-24 1996-12-03 Matsushita Electric Ind Co Ltd Two-frequency band pass filter, two-frequency branching device and its synthesizer
FI962815A0 (en) * 1996-07-11 1996-07-11 Lk Products Oy The duplex filter
EP0851526B1 (en) * 1996-12-27 2003-07-30 Murata Manufacturing Co., Ltd. Filtering device

Also Published As

Publication number Publication date
FR2771232B1 (en) 2003-09-19
JPH11154804A (en) 1999-06-08
GB2333669A (en) 1999-07-28
FR2771232A1 (en) 1999-05-21
GB2333669B (en) 2003-01-22
DE19853484A1 (en) 1999-05-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20121116