JP2000151317A - 送信機および電力増幅器 - Google Patents

送信機および電力増幅器

Info

Publication number
JP2000151317A
JP2000151317A JP10318689A JP31868998A JP2000151317A JP 2000151317 A JP2000151317 A JP 2000151317A JP 10318689 A JP10318689 A JP 10318689A JP 31868998 A JP31868998 A JP 31868998A JP 2000151317 A JP2000151317 A JP 2000151317A
Authority
JP
Japan
Prior art keywords
power
amplifier
output
amplifying means
gain
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.)
Pending
Application number
JP10318689A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000151317A5 (enExample
Inventor
Makoto Katagishi
片岸　　誠
Shiro Machida
史郎 町田
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 Ltd
Original Assignee
Hitachi 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=18101926&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP2000151317(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10318689A priority Critical patent/JP2000151317A/ja
Priority to KR1019990048486A priority patent/KR100357337B1/ko
Priority to US09/436,502 priority patent/US6408193B1/en
Publication of JP2000151317A publication Critical patent/JP2000151317A/ja
Priority to US10/142,051 priority patent/US6973334B2/en
Priority to US10/246,413 priority patent/US6917823B2/en
Publication of JP2000151317A5 publication Critical patent/JP2000151317A5/ja
Priority to US11/249,689 priority patent/US20060030283A1/en
Pending 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
    • 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
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
JP10318689A 1998-10-11 1998-11-10 送信機および電力増幅器 Pending JP2000151317A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP10318689A JP2000151317A (ja) 1998-11-10 1998-11-10 送信機および電力増幅器
KR1019990048486A KR100357337B1 (ko) 1998-11-10 1999-11-04 휴대전화
US09/436,502 US6408193B1 (en) 1998-11-10 1999-11-09 Cellular telephone
US10/142,051 US6973334B2 (en) 1998-11-10 2002-05-10 Cellular telephone
US10/246,413 US6917823B2 (en) 1998-11-10 2002-09-19 Cellular telephone
US11/249,689 US20060030283A1 (en) 1998-10-11 2005-10-14 Cellular telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10318689A JP2000151317A (ja) 1998-11-10 1998-11-10 送信機および電力増幅器

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2003320597A Division JP2004048797A (ja) 2003-09-12 2003-09-12 送信機および電力増幅器

Publications (2)

Publication Number Publication Date
JP2000151317A true JP2000151317A (ja) 2000-05-30
JP2000151317A5 JP2000151317A5 (enExample) 2004-09-24

Family

ID=18101926

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10318689A Pending JP2000151317A (ja) 1998-10-11 1998-11-10 送信機および電力増幅器

Country Status (3)

Country Link
US (4) US6408193B1 (enExample)
JP (1) JP2000151317A (enExample)
KR (1) KR100357337B1 (enExample)

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JP2002325020A (ja) * 2001-04-25 2002-11-08 Toshiba Corp 高周波回路及び通信システム
JP2003324323A (ja) * 2002-05-01 2003-11-14 Nec Corp 高出力増幅回路
JP2004530313A (ja) * 2000-11-03 2004-09-30 クゥアルコム・インコーポレイテッド 送信器の利得に基づいた送信器のバイアス電流の調節
JP2011035541A (ja) * 2009-07-30 2011-02-17 Japan Radio Co Ltd リモート装置
WO2020217130A1 (ja) * 2019-04-26 2020-10-29 株式会社半導体エネルギー研究所 半導体装置および電子機器

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US8417296B2 (en) * 2008-06-05 2013-04-09 Apple Inc. Electronic device with proximity-based radio power control
US8018277B2 (en) * 2008-09-09 2011-09-13 Quantance, Inc. RF power amplifier system with impedance modulation
US7782134B2 (en) * 2008-09-09 2010-08-24 Quantance, Inc. RF power amplifier system with impedance modulation
US7777566B1 (en) * 2009-02-05 2010-08-17 Quantance, Inc. Amplifier compression adjustment circuit
US8432322B2 (en) 2009-07-17 2013-04-30 Apple Inc. Electronic devices with capacitive proximity sensors for proximity-based radio-frequency power control
US8466839B2 (en) * 2009-07-17 2013-06-18 Apple Inc. Electronic devices with parasitic antenna resonating elements that reduce near field radiation
US8781420B2 (en) 2010-04-13 2014-07-15 Apple Inc. Adjustable wireless circuitry with antenna-based proximity detector
JP5565086B2 (ja) * 2010-05-14 2014-08-06 日本電気株式会社 送信装置および送信装置の制御方法
US8183917B2 (en) 2010-06-04 2012-05-22 Quantance, Inc. RF power amplifier circuit with mismatch tolerance
US8577289B2 (en) 2011-02-17 2013-11-05 Apple Inc. Antenna with integrated proximity sensor for proximity-based radio-frequency power control
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US20130195219A1 (en) * 2012-01-27 2013-08-01 Research In Motion Limited Mobile wireless communications device with selective power amplifier control and related methods
JP5825175B2 (ja) * 2012-03-29 2015-12-02 富士通株式会社 無線通信機
US9093745B2 (en) 2012-05-10 2015-07-28 Apple Inc. Antenna and proximity sensor structures having printed circuit and dielectric carrier layers
US9300342B2 (en) 2013-04-18 2016-03-29 Apple Inc. Wireless device with dynamically adjusted maximum transmit powers
US9379445B2 (en) 2014-02-14 2016-06-28 Apple Inc. Electronic device with satellite navigation system slot antennas
US9398456B2 (en) 2014-03-07 2016-07-19 Apple Inc. Electronic device with accessory-based transmit power control
US9559425B2 (en) 2014-03-20 2017-01-31 Apple Inc. Electronic device with slot antenna and proximity sensor
US9583838B2 (en) 2014-03-20 2017-02-28 Apple Inc. Electronic device with indirectly fed slot antennas
US9728858B2 (en) 2014-04-24 2017-08-08 Apple Inc. Electronic devices with hybrid antennas
US9791490B2 (en) 2014-06-09 2017-10-17 Apple Inc. Electronic device having coupler for tapping antenna signals
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US9667312B2 (en) * 2015-01-13 2017-05-30 Hughes Network Systems, Llc Radio based automatic level control for linear radio calibration
US10218052B2 (en) 2015-05-12 2019-02-26 Apple Inc. Electronic device with tunable hybrid antennas
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US10490881B2 (en) 2016-03-10 2019-11-26 Apple Inc. Tuning circuits for hybrid electronic device antennas
US10290946B2 (en) 2016-09-23 2019-05-14 Apple Inc. Hybrid electronic device antennas having parasitic resonating elements
US20180124716A1 (en) * 2016-11-03 2018-05-03 Qualcomm Incorporated Systems and methods providing adaptive power tracking
KR102562119B1 (ko) * 2018-08-28 2023-08-02 삼성전자주식회사 송신 신호에 포함된 지정된 주파수 대역에 대응하는 성분을 확인하는 전자장치 및 방법

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JP2004530313A (ja) * 2000-11-03 2004-09-30 クゥアルコム・インコーポレイテッド 送信器の利得に基づいた送信器のバイアス電流の調節
JP2002325020A (ja) * 2001-04-25 2002-11-08 Toshiba Corp 高周波回路及び通信システム
US7046974B2 (en) 2001-04-25 2006-05-16 Kabushiki Kaisha Toshiba Radio frequency circuit and communication system with power amplifier control
US7526259B2 (en) 2001-04-25 2009-04-28 Kabushiki Kaisha Toshiba Radio frequency circuit and communication system with power amplifier control
JP2003324323A (ja) * 2002-05-01 2003-11-14 Nec Corp 高出力増幅回路
JP2011035541A (ja) * 2009-07-30 2011-02-17 Japan Radio Co Ltd リモート装置
WO2020217130A1 (ja) * 2019-04-26 2020-10-29 株式会社半導体エネルギー研究所 半導体装置および電子機器
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JP7528063B2 (ja) 2019-04-26 2024-08-05 株式会社半導体エネルギー研究所 半導体装置および電子機器

Also Published As

Publication number Publication date
US20060030283A1 (en) 2006-02-09
US6408193B1 (en) 2002-06-18
US20020132587A1 (en) 2002-09-19
US6973334B2 (en) 2005-12-06
KR20000035217A (ko) 2000-06-26
US6917823B2 (en) 2005-07-12
US20030017840A1 (en) 2003-01-23
KR100357337B1 (ko) 2002-10-19

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