FI20002007A - Lähetin ja langaton viestintälaite - Google Patents

Lähetin ja langaton viestintälaite Download PDF

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Publication number
FI20002007A
FI20002007A FI20002007A FI20002007A FI20002007A FI 20002007 A FI20002007 A FI 20002007A FI 20002007 A FI20002007 A FI 20002007A FI 20002007 A FI20002007 A FI 20002007A FI 20002007 A FI20002007 A FI 20002007A
Authority
FI
Finland
Prior art keywords
transmitter
wireless communication
communication device
wireless
communication
Prior art date
Application number
FI20002007A
Other languages
English (en)
Swedish (sv)
Other versions
FI20002007A0 (fi
FI114261B (fi
Inventor
Miikka Haemaelaeinen
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI20002007A priority Critical patent/FI114261B/fi
Publication of FI20002007A0 publication Critical patent/FI20002007A0/fi
Priority to EP01660160A priority patent/EP1187317A3/en
Priority to US09/950,381 priority patent/US6954624B2/en
Publication of FI20002007A publication Critical patent/FI20002007A/fi
Application granted granted Critical
Publication of FI114261B publication Critical patent/FI114261B/fi

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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0483—Transmitters with multiple parallel paths
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7239—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers and shunting lines by one or more switch(es)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
FI20002007A 2000-09-12 2000-09-12 Lähetin ja langaton viestintälaite FI114261B (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20002007A FI114261B (fi) 2000-09-12 2000-09-12 Lähetin ja langaton viestintälaite
EP01660160A EP1187317A3 (en) 2000-09-12 2001-09-03 Transmitter and wireless communication device
US09/950,381 US6954624B2 (en) 2000-09-12 2001-09-10 Transmitter and wireless communication device having a low power bypass branch

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20002007 2000-09-12
FI20002007A FI114261B (fi) 2000-09-12 2000-09-12 Lähetin ja langaton viestintälaite

Publications (3)

Publication Number Publication Date
FI20002007A0 FI20002007A0 (fi) 2000-09-12
FI20002007A true FI20002007A (fi) 2002-03-13
FI114261B FI114261B (fi) 2004-09-15

Family

ID=8559068

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20002007A FI114261B (fi) 2000-09-12 2000-09-12 Lähetin ja langaton viestintälaite

Country Status (3)

Country Link
US (1) US6954624B2 (fi)
EP (1) EP1187317A3 (fi)
FI (1) FI114261B (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI112741B (fi) 1998-11-26 2003-12-31 Nokia Corp Menetelmä ja järjestely RF-signaalien lähettämiseksi ja vastaanottamiseksi tiedonsiirtojärjestelmien erilaisissa radiorajapinnoissa
JP3958066B2 (ja) * 2002-02-21 2007-08-15 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 送信出力回路および移動体通信端末
JP3875244B2 (ja) * 2003-09-30 2007-01-31 シャープ株式会社 無線通信用回路、無線通信装置、無線通信システム
CN100407582C (zh) * 2004-09-07 2008-07-30 华为技术有限公司 一种延长工作时间的手持设备及实现方法
US20060223464A1 (en) * 2005-03-29 2006-10-05 Frank Michael L Method for switching a power amplifier
US7345534B2 (en) * 2005-05-31 2008-03-18 M/A-Com Eurotec Bv Efficient power amplification system
KR100973992B1 (ko) * 2006-05-25 2010-08-05 삼성전자주식회사 시분할 복신 무선통신시스템의 시분할 복신 스위치
US8089906B2 (en) * 2009-02-06 2012-01-03 Sige Semiconductor Inc. Dual mode transceiver
US10862529B2 (en) 2015-08-18 2020-12-08 Wilson Electronics, Llc Separate uplink and downlink antenna repeater architecture
WO2018093929A1 (en) 2016-11-15 2018-05-24 Wilson Electronics, Llc Desktop signal booster
US10673517B2 (en) 2016-11-15 2020-06-02 Wilson Electronics, Llc Desktop signal booster

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JPH06103809B2 (ja) * 1988-06-10 1994-12-14 三菱電機株式会社 増幅回路
FI81931C (fi) * 1989-05-12 1990-12-10 Nokia Mobira Oy Foerfarande foer alstring av laoga effektnivaoer i saendaren av en radiotelefon.
US5815525A (en) * 1991-05-13 1998-09-29 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
ATE233971T1 (de) * 1991-05-13 2003-03-15 Xircom Wireless Inc Sender/empfänger mit zwei betriebsarten
US5796772A (en) * 1991-05-13 1998-08-18 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5887020A (en) * 1991-05-13 1999-03-23 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5175871A (en) * 1991-08-08 1992-12-29 Ericsson/Ge Mobile Communication Holding Inc. Power amplifier for a cellular telephone
JPH06252820A (ja) * 1993-02-26 1994-09-09 Sony Corp 電源回路とそれを用いた無線通信装置
JP2705538B2 (ja) * 1993-09-22 1998-01-28 日本電気株式会社 Ｃｄｍａモード及びｆｍモードの共用受信機
US5530923A (en) * 1994-03-30 1996-06-25 Nokia Mobile Phones Ltd. Dual mode transmission system with switched linear amplifier
US5722063A (en) * 1994-12-16 1998-02-24 Qualcomm Incorporated Method and apparatus for increasing receiver immunity to interference
TW294867B (fi) * 1994-12-23 1997-01-01 Qualcomm Inc
US5758269A (en) * 1995-03-30 1998-05-26 Lucent Technologies Inc. High-efficient configurable power amplifier for use in a portable unit
JPH08307182A (ja) * 1995-04-27 1996-11-22 Sony Corp パワーコントロール回路
US5661434A (en) * 1995-05-12 1997-08-26 Fujitsu Compound Semiconductor, Inc. High efficiency multiple power level amplifier circuit
FI98108C (fi) * 1995-05-17 1997-04-10 Nokia Mobile Phones Ltd Menetelmä yhteyden laadun arvioimiseksi ja vastaanotin
JPH09148852A (ja) * 1995-11-24 1997-06-06 Matsushita Electric Ind Co Ltd 送信出力可変装置
US5881365A (en) * 1996-01-18 1999-03-09 Clariti Telecommunications International, Ltd. Digital compressed voice paging system which uses R.D.S. format for the ID signals and S.C.A. format for the voice signals both formats being FM subcarriers
US5774017A (en) * 1996-06-03 1998-06-30 Anadigics, Inc. Multiple-band amplifier
JPH10173453A (ja) * 1996-12-09 1998-06-26 Sony Corp 高周波可変利得増幅装置および無線通信装置
US5884149A (en) * 1997-02-13 1999-03-16 Nokia Mobile Phones Limited Mobile station having dual band RF detector and gain control
US6298244B1 (en) * 1997-07-03 2001-10-02 Ericsson Inc. Dual-band, dual-mode power amplifier
US6091966A (en) * 1997-09-29 2000-07-18 Ericsson, Inc. Dual-band, dual-mode power amplifier
US6188877B1 (en) * 1997-07-03 2001-02-13 Ericsson Inc. Dual-band, dual-mode power amplifier with reduced power loss
KR100247013B1 (ko) * 1997-12-19 2000-03-15 윤종용 무선 송신기의 전력 제어 장치
DE69942964D1 (de) * 1998-02-19 2011-01-05 Nippon Telegraph & Telephone Verstärker zur radioübertragung
JP3303769B2 (ja) * 1998-02-27 2002-07-22 日本電気株式会社 可変利得増幅装置
JPH11274948A (ja) * 1998-03-20 1999-10-08 Toshiba Corp 送信電力制御装置およびこの送信電力制御装置に用いられる送信電力制御ユニット
US6137354A (en) * 1998-05-18 2000-10-24 Omnipoint Corporation Bypassable amplifier
GB9811382D0 (en) * 1998-05-27 1998-07-22 Nokia Mobile Phones Ltd A transmitter
EP0964511A1 (en) * 1998-06-11 1999-12-15 Ace Technology Low-noise amplifier
JP3314806B2 (ja) * 1998-06-23 2002-08-19 日本電気株式会社 電力増幅器
US6154664A (en) * 1998-06-24 2000-11-28 Conexant System, Inc. Dual band cellular phone with two power amplifiers and power control circuit therefore
JP2000022559A (ja) * 1998-07-03 2000-01-21 Nec Corp 送信出力制御回路
US6069526A (en) * 1998-08-04 2000-05-30 Qualcomm Incorporated Partial or complete amplifier bypass
JP3587346B2 (ja) * 1998-08-07 2004-11-10 松下電器産業株式会社 無線通信装置および無線通信装置における送信電力制御方法
EP1046226A1 (en) * 1998-09-21 2000-10-25 Koninklijke Philips Electronics N.V. Amplifier
US6060949A (en) * 1998-09-22 2000-05-09 Qualcomm Incorporated High efficiency switched gain power amplifier
US6134427A (en) * 1998-09-30 2000-10-17 Conexant Systems, Inc. Using a single low-noise amplifier in a multi-band wireless station
US20010034217A1 (en) * 1998-12-29 2001-10-25 Mohy F. Abdelgany System and method for selectively interconnecting amplifiers in a communications device
US6313698B1 (en) * 1999-09-24 2001-11-06 Qualcomm Incorporated Method and apparatus for wireless phone transmit power amplification with reduced power consumption
US6271722B1 (en) * 1999-09-28 2001-08-07 Qualcomm Inc. Partial or complete amplifier bypass
US6668028B1 (en) * 2000-03-29 2003-12-23 Sony Corporation Low-power CDMA receiver
JP3463656B2 (ja) * 2000-07-12 2003-11-05 日本電気株式会社 送信電力増幅装置及びその方法
JP2002290157A (ja) * 2001-03-27 2002-10-04 Mobile Communications Tokyo Inc 高周波電力増幅装置
US6812786B2 (en) * 2002-04-11 2004-11-02 Andrew Corporation Zero-bias bypass switching circuit using mismatched 90 degrees hybrid

Also Published As

Publication number Publication date
US20020072339A1 (en) 2002-06-13
FI20002007A0 (fi) 2000-09-12
US6954624B2 (en) 2005-10-11
EP1187317A2 (en) 2002-03-13
FI114261B (fi) 2004-09-15
EP1187317A3 (en) 2003-11-05

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