NO20005772L - Mobilkommunikasjonsapparat - Google Patents

Mobilkommunikasjonsapparat

Info

Publication number
NO20005772L
NO20005772L NO20005772A NO20005772A NO20005772L NO 20005772 L NO20005772 L NO 20005772L NO 20005772 A NO20005772 A NO 20005772A NO 20005772 A NO20005772 A NO 20005772A NO 20005772 L NO20005772 L NO 20005772L
Authority
NO
Norway
Prior art keywords
offset
locally oscillated
transmitter
receiver
generating
Prior art date
Application number
NO20005772A
Other languages
English (en)
Other versions
NO329890B1 (no
NO20005772D0 (no
Inventor
Satoshi Tanaka
Kazuo Watanabe
Masao Hotta
Toyohiko Hongo
Taizo Yamawaki
Masumi Kasahara
Kumiko Takikawa
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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of NO20005772D0 publication Critical patent/NO20005772D0/no
Publication of NO20005772L publication Critical patent/NO20005772L/no
Publication of NO329890B1 publication Critical patent/NO329890B1/no

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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/16—Circuits for carrying over pulses between successive decades
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0047—Offset of DC voltage or frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Telephone Function (AREA)
  • Amplifiers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Eye Examination Apparatus (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Circuits Of Receivers In General (AREA)
  • Transmitters (AREA)
NO20005772A 1999-11-15 2000-11-14 Mobilkommunikasjonsapparat NO329890B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32365699 1999-11-15

Publications (3)

Publication Number Publication Date
NO20005772D0 NO20005772D0 (no) 2000-11-14
NO20005772L true NO20005772L (no) 2001-05-16
NO329890B1 NO329890B1 (no) 2011-01-17

Family

ID=18157152

Family Applications (2)

Application Number Title Priority Date Filing Date
NO20005772A NO329890B1 (no) 1999-11-15 2000-11-14 Mobilkommunikasjonsapparat
NO20101767A NO332862B1 (no) 1999-11-15 2010-12-17 Mobilkommunikasjonsapparat

Family Applications After (1)

Application Number Title Priority Date Filing Date
NO20101767A NO332862B1 (no) 1999-11-15 2010-12-17 Mobilkommunikasjonsapparat

Country Status (8)

Country Link
US (5) US6826388B1 (no)
EP (2) EP1722484B1 (no)
JP (1) JP4566228B2 (no)
KR (2) KR100765645B1 (no)
AT (2) ATE432556T1 (no)
DE (2) DE60042290D1 (no)
NO (2) NO329890B1 (no)
TW (1) TW480836B (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7031748B2 (en) 2001-07-13 2006-04-18 Sony Corporation Radio signal receiving apparatus and demodulating circuit

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US6826388B1 (en) * 1999-11-15 2004-11-30 Renesas Technology Corp. Mobile communication apparatus including dividers in transmitter and receiver
US6697611B1 (en) 2000-11-14 2004-02-24 Intel Corporation Method and apparatus for performing DC offset cancellation in a receiver
US7076225B2 (en) * 2001-02-16 2006-07-11 Qualcomm Incorporated Variable gain selection in direct conversion receiver
JP3828076B2 (ja) * 2001-02-21 2006-09-27 旭化成マイクロシステム株式会社 通信装置
KR100390512B1 (ko) * 2001-06-22 2003-07-04 엘지전자 주식회사 이동통신 단말기의 셀프 콰이어팅 제거장치
US7236757B2 (en) * 2001-07-11 2007-06-26 Vativ Technologies, Inc. High-speed multi-channel communications transceiver with inter-channel interference filter
US20030112896A1 (en) * 2001-07-11 2003-06-19 Raghavan Sreen A. Multi-channel communications transceiver
US7295623B2 (en) * 2001-07-11 2007-11-13 Vativ Technologies, Inc. High-speed communications transceiver
EP1294151A1 (en) * 2001-09-12 2003-03-19 STMicroelectronics N.V. DC offset correction for a direct-conversion receiver
GB2382242B (en) * 2001-11-15 2005-08-03 Hitachi Ltd Direct-conversion transmitting circuit and integrated transmitting/receiving circuit
GB0127535D0 (en) * 2001-11-16 2002-01-09 Hitachi Ltd A communication semiconductor integrated circuit device and wireless communication system
KR100438556B1 (ko) * 2001-12-10 2004-07-02 엘지전자 주식회사 트라이 모드 이동 단말기에서의 고주파 신호 처리 장치 및방법
JP2005518757A (ja) * 2002-02-21 2005-06-23 アナログ・デバイシズ・インコーポレーテッド ３ｇ無線受信機
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US7307480B2 (en) * 2002-10-31 2007-12-11 Qualcomm Incorporated Low latency frequency switching
US20070019113A1 (en) * 2002-12-19 2007-01-25 Jan Van Sinderen Mixer system with amplitude-, common mode- and phase corrections
JP4230762B2 (ja) 2002-12-20 2009-02-25 株式会社ルネサステクノロジ ダイレクトコンバージョン受信機
KR101058973B1 (ko) * 2003-02-07 2011-08-23 에스티 에릭슨 에스에이 인터페이싱 방법 및 인터페이싱 회로
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TWI407761B (zh) * 2006-12-07 2013-09-01 Wistron Neweb Corp 可同時於複數個行動通訊系統下待機之通訊裝置
JP5179858B2 (ja) * 2007-01-06 2013-04-10 株式会社半導体エネルギー研究所 半導体装置
US20090031485A1 (en) * 2007-07-30 2009-02-05 Robert Prusinski Face Shield for Safety Helmet
US20110014880A1 (en) * 2007-10-14 2011-01-20 Nicolson Sean T System and method for a single chip direct conversion transceiver in silicon
JP5202213B2 (ja) * 2008-09-25 2013-06-05 パナソニック株式会社 周波数シンセサイザ及び無線送信装置
JP2011124831A (ja) * 2009-12-11 2011-06-23 Renesas Electronics Corp 通信装置
JP5611070B2 (ja) 2011-01-28 2014-10-22 ルネサスエレクトロニクス株式会社 半導体集積回路およびその動作方法
US8874062B2 (en) * 2011-07-01 2014-10-28 Broadcom Corporation Apparatus for removing DC components inherent in a radio frequency chain
JP5778047B2 (ja) * 2012-01-18 2015-09-16 ルネサスエレクトロニクス株式会社 半導体集積回路およびその動作方法
US8787503B2 (en) * 2012-09-18 2014-07-22 Vixs Systems, Inc. Frequency mixer with compensated DC offset correction to reduce linearity degradation
JP5711718B2 (ja) * 2012-10-26 2015-05-07 旭化成エレクトロニクス株式会社 Ａｓｋ受信器およびこれを備えるｉｃチップ
US9595922B2 (en) * 2012-11-19 2017-03-14 Infineon Technologies Ag Chopper amplifier
US9184957B2 (en) * 2012-12-27 2015-11-10 Intel Corporation High speed receivers circuits and methods
CA2814303A1 (en) 2013-04-26 2014-10-26 Cellphone-Mate, Inc. Apparatus and methods for radio frequency signal boosters
WO2015196160A1 (en) 2014-06-19 2015-12-23 Project Ft, Inc. Memoryless active device which traps even harmonic signals
KR101658076B1 (ko) * 2015-01-19 2016-09-30 실리콘알엔디(주) 초광대역 임펄스 수신기의 dc 보정기 및 이를 포함하는 초광대역 임펄스 수신기
US10027355B2 (en) * 2016-01-19 2018-07-17 Analog Devices Global Blocker detection based automatic gain control
JP2017158085A (ja) * 2016-03-03 2017-09-07 株式会社デンソー 受信装置
KR102653887B1 (ko) * 2017-01-31 2024-04-02 삼성전자주식회사 가변 피드백 이득을 갖는 델타 변조기, 이를 포함하는 아날로그-디지털 변환기 및 통신 장치
WO2019024976A1 (en) 2017-07-31 2019-02-07 Renesas Electronics Corporation DELETION OF SHIFT

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7031748B2 (en) 2001-07-13 2006-04-18 Sony Corporation Radio signal receiving apparatus and demodulating circuit

Also Published As

Publication number Publication date
TW480836B (en) 2002-03-21
NO332862B1 (no) 2013-01-28
KR100765645B1 (ko) 2007-10-10
US20080182538A1 (en) 2008-07-31
EP1102413A3 (en) 2004-03-24
EP1102413A2 (en) 2001-05-23
US7885626B2 (en) 2011-02-08
US20040137853A1 (en) 2004-07-15
EP1722484A3 (en) 2007-06-06
NO20101767L (no) 2001-05-16
JP4566228B2 (ja) 2010-10-20
DE60033114T2 (de) 2007-06-06
US8107912B2 (en) 2012-01-31
ATE432556T1 (de) 2009-06-15
US6826388B1 (en) 2004-11-30
US7366489B2 (en) 2008-04-29
KR20010051695A (ko) 2001-06-25
EP1722484A2 (en) 2006-11-15
NO329890B1 (no) 2011-01-17
EP1102413B1 (en) 2007-01-24
NO20005772D0 (no) 2000-11-14
JP2008109680A (ja) 2008-05-08
KR20070051827A (ko) 2007-05-18
US20040137941A1 (en) 2004-07-15
ATE352906T1 (de) 2007-02-15
DE60033114D1 (de) 2007-03-15
KR100756148B1 (ko) 2007-09-05
DE60042290D1 (de) 2009-07-09
US20110092175A1 (en) 2011-04-21
EP1722484B1 (en) 2009-05-27

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