CN1035351C - 高频放大器 - Google Patents

高频放大器 Download PDF

Info

Publication number
CN1035351C
CN1035351C CN94104682A CN94104682A CN1035351C CN 1035351 C CN1035351 C CN 1035351C CN 94104682 A CN94104682 A CN 94104682A CN 94104682 A CN94104682 A CN 94104682A CN 1035351 C CN1035351 C CN 1035351C
Authority
CN
China
Prior art keywords
frequency
transistor
signal
amplifier
frequency amplifier
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.)
Expired - Fee Related
Application number
CN94104682A
Other languages
English (en)
Chinese (zh)
Other versions
CN1099201A (zh
Inventor
菅原润
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 CN1099201A publication Critical patent/CN1099201A/zh
Application granted granted Critical
Publication of CN1035351C publication Critical patent/CN1035351C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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)
CN94104682A 1993-04-30 1994-04-29 高频放大器 Expired - Fee Related CN1035351C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5104304A JP3037850B2 (ja) 1993-04-30 1993-04-30 高周波増幅器
JP104304/93 1993-04-30

Publications (2)

Publication Number Publication Date
CN1099201A CN1099201A (zh) 1995-02-22
CN1035351C true CN1035351C (zh) 1997-07-02

Family

ID=14377190

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94104682A Expired - Fee Related CN1035351C (zh) 1993-04-30 1994-04-29 高频放大器

Country Status (4)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09307365A (ja) * 1996-05-15 1997-11-28 Alps Electric Co Ltd 増幅器及びその増幅器を用いた携帯電話機
KR100469500B1 (ko) * 2002-06-29 2005-02-02 엘지전자 주식회사 이동통신단말기의 송수신장치
DE10239854A1 (de) 2002-08-29 2004-03-11 Infineon Technologies Ag Vorverstärkerschaltung und Empfangsanordnung mit der Vorverstärkerschaltung
CN1902816B (zh) * 2003-11-13 2010-04-28 日本电气株式会社 高频放大器
CN100446414C (zh) * 2004-08-04 2008-12-24 财团法人工业技术研究院 高频放大器
US20120306578A1 (en) * 2011-05-31 2012-12-06 Byran Fast Rf amplifier with open circuit output off-state
CN102377392A (zh) * 2011-10-29 2012-03-14 常熟市董浜镇华进电器厂 高频放大器
JP2016158216A (ja) * 2015-02-26 2016-09-01 株式会社東芝 高周波半導体集積回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60220622A (ja) * 1984-04-18 1985-11-05 Alps Electric Co Ltd 高周波切換回路
JPS60220623A (ja) * 1984-04-18 1985-11-05 Alps Electric Co Ltd 高周波切換回路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1215770B (de) * 1965-04-15 1966-05-05 Telefunken Patent Schaltungsanordnung mit zwei abwechselnd verstaerkenden Transistorstufen
FR2673055B1 (fr) * 1991-02-18 1993-04-23 Matra Communication Module d'amplification bibande.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60220622A (ja) * 1984-04-18 1985-11-05 Alps Electric Co Ltd 高周波切換回路
JPS60220623A (ja) * 1984-04-18 1985-11-05 Alps Electric Co Ltd 高周波切換回路

Also Published As

Publication number Publication date
FR2704700B1 (fr) 1997-04-18
JP3037850B2 (ja) 2000-05-08
CN1099201A (zh) 1995-02-22
GB2277650A (en) 1994-11-02
FR2704700A1 (fr) 1994-11-04
JPH06314938A (ja) 1994-11-08
GB9407460D0 (en) 1994-06-08
GB2277650B (en) 1997-04-30

Similar Documents

Publication Publication Date Title
US7728662B2 (en) Saturated power amplifier with selectable and variable output power levels
CN1120567C (zh) 微波混频电路和下变频器
CN100517960C (zh) 放大器、以及使用该放大器的发射器和通讯装置
US6771130B2 (en) Power amplifier and radio communication apparatus using the same
US6624700B2 (en) Radio frequency power amplifier for cellular telephones
EP1071204B1 (en) Power amplifier and communication device including power amplifier
CN1035351C (zh) 高频放大器
US20020102971A1 (en) Scheme for maximizing efficiency of power amplifier under power backoff conditions
US6492869B1 (en) Linear amplifier and radio communication apparatus using the same
CN1212710C (zh) 电视调谐组件
US6317002B1 (en) Circuit for efficiently producing low-power radio frequency signals
CN1082776C (zh) 放大器及使用该放大器的便携式电话机
US4733194A (en) Apparatus and method for paralleling power field effect transistors in high frequency amplifiers
JPH05315862A (ja) 増幅回路
US6577189B2 (en) Scheme for reducing transmit-band noise floor and adjacent channel power with power backoff
CN110011626A (zh) 功率放大电路
JPH06177797A (ja) Ｔｄｍａ通信機の送信制御回路
CA1121869A (en) Power amplifiers
EP1067677B1 (en) Radio frequency amplifier
JPS5818818B2 (ja) コンゴウカイロ
CA1065411A (en) Automatic gain control circuit for radio receiver
US4367491A (en) Video signal recovery system
JPH0974321A (ja) 送受信機
JPS6316923B2 (ja)
CN102377392A (zh) 高频放大器

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee