GB9407460D0 - High frequency amplifer - Google Patents

High frequency amplifer

Info

Publication number
GB9407460D0
GB9407460D0 GB9407460A GB9407460A GB9407460D0 GB 9407460 D0 GB9407460 D0 GB 9407460D0 GB 9407460 A GB9407460 A GB 9407460A GB 9407460 A GB9407460 A GB 9407460A GB 9407460 D0 GB9407460 D0 GB 9407460D0
Authority
GB
United Kingdom
Prior art keywords
high frequency
amplifer
frequency amplifer
frequency
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
GB9407460A
Other versions
GB2277650B (en
GB2277650A (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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric 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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of GB9407460D0 publication Critical patent/GB9407460D0/en
Publication of GB2277650A publication Critical patent/GB2277650A/en
Application granted granted Critical
Publication of GB2277650B publication Critical patent/GB2277650B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H04B1/38—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Transceivers (AREA)
  • Time-Division Multiplex Systems (AREA)
GB9407460A 1993-04-30 1994-04-15 High frequency amplifier Expired - Fee Related GB2277650B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5104304A JP3037850B2 (en) 1993-04-30 1993-04-30 High frequency amplifier

Publications (3)

Publication Number Publication Date
GB9407460D0 true GB9407460D0 (en) 1994-06-08
GB2277650A GB2277650A (en) 1994-11-02
GB2277650B GB2277650B (en) 1997-04-30

Family

ID=14377190

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9407460A Expired - Fee Related GB2277650B (en) 1993-04-30 1994-04-15 High frequency amplifier

Country Status (4)

Country Link
JP (1) JP3037850B2 (en)
CN (1) CN1035351C (en)
FR (1) FR2704700B1 (en)
GB (1) GB2277650B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09307365A (en) * 1996-05-15 1997-11-28 Alps Electric Co Ltd Amplifier and portable telephone set using the amplifier
KR100469500B1 (en) * 2002-06-29 2005-02-02 엘지전자 주식회사 Tranceiver appratus for mobile communication terminal
DE10239854A1 (en) 2002-08-29 2004-03-11 Infineon Technologies Ag Preamplifier circuit and receiving arrangement with the preamplifier circuit
WO2005048448A1 (en) * 2003-11-13 2005-05-26 Nec Corporation High frequency amplifier
CN100446414C (en) * 2004-08-04 2008-12-24 财团法人工业技术研究院 High-frequency amplifier
US20120306578A1 (en) * 2011-05-31 2012-12-06 Byran Fast Rf amplifier with open circuit output off-state
CN102377392A (en) * 2011-10-29 2012-03-14 常熟市董浜镇华进电器厂 High-frequency amplifier
JP2016158216A (en) * 2015-02-26 2016-09-01 株式会社東芝 High-frequency semiconductor integrated circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1215770B (en) * 1965-04-15 1966-05-05 Telefunken Patent Circuit arrangement with two alternately amplifying transistor stages
JPS60220622A (en) * 1984-04-18 1985-11-05 Alps Electric Co Ltd High frequency switching circuit
JPS60220623A (en) * 1984-04-18 1985-11-05 Alps Electric Co Ltd High frequency switching circuit
FR2673055B1 (en) * 1991-02-18 1993-04-23 Matra Communication BIBAND AMPLIFICATION MODULE.

Also Published As

Publication number Publication date
GB2277650B (en) 1997-04-30
JP3037850B2 (en) 2000-05-08
GB2277650A (en) 1994-11-02
CN1035351C (en) 1997-07-02
FR2704700A1 (en) 1994-11-04
JPH06314938A (en) 1994-11-08
FR2704700B1 (en) 1997-04-18
CN1099201A (en) 1995-02-22

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Legal Events

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

Effective date: 19990415