FI982329A - Menetelmä ja järjestely lähetyssignaalin muodostamiseksi - Google Patents

Menetelmä ja järjestely lähetyssignaalin muodostamiseksi Download PDF

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Publication number
FI982329A
FI982329A FI982329A FI982329A FI982329A FI 982329 A FI982329 A FI 982329A FI 982329 A FI982329 A FI 982329A FI 982329 A FI982329 A FI 982329A FI 982329 A FI982329 A FI 982329A
Authority
FI
Finland
Prior art keywords
forming
transmission signal
transmission
signal
Prior art date
Application number
FI982329A
Other languages
English (en)
Swedish (sv)
Other versions
FI105609B (fi
FI982329A0 (fi
Inventor
Hannu Pakonen
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 FI982329A priority Critical patent/FI105609B/fi
Publication of FI982329A0 publication Critical patent/FI982329A0/fi
Priority to JP11301244A priority patent/JP2000138723A/ja
Priority to US09/427,165 priority patent/US6480704B1/en
Priority to EP99660167A priority patent/EP0998088A3/en
Publication of FI982329A publication Critical patent/FI982329A/fi
Application granted granted Critical
Publication of FI105609B publication Critical patent/FI105609B/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/361—Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
FI982329A 1998-10-27 1998-10-27 Menetelmä ja järjestely lähetyssignaalin muodostamiseksi FI105609B (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI982329A FI105609B (fi) 1998-10-27 1998-10-27 Menetelmä ja järjestely lähetyssignaalin muodostamiseksi
JP11301244A JP2000138723A (ja) 1998-10-27 1999-10-22 送信信号を形成する方法及び装置
US09/427,165 US6480704B1 (en) 1998-10-27 1999-10-26 Method and arrangement for forming a transmission signal
EP99660167A EP0998088A3 (en) 1998-10-27 1999-10-27 Modulation with separate stages for phase and amplitude modulation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI982329 1998-10-27
FI982329A FI105609B (fi) 1998-10-27 1998-10-27 Menetelmä ja järjestely lähetyssignaalin muodostamiseksi

Publications (3)

Publication Number Publication Date
FI982329A0 FI982329A0 (fi) 1998-10-27
FI982329A true FI982329A (fi) 2000-04-28
FI105609B FI105609B (fi) 2000-09-15

Family

ID=8552791

Family Applications (1)

Application Number Title Priority Date Filing Date
FI982329A FI105609B (fi) 1998-10-27 1998-10-27 Menetelmä ja järjestely lähetyssignaalin muodostamiseksi

Country Status (4)

Country Link
US (1) US6480704B1 (fi)
EP (1) EP0998088A3 (fi)
JP (1) JP2000138723A (fi)
FI (1) FI105609B (fi)

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JP2000286915A (ja) * 1999-03-31 2000-10-13 Toshiba Corp 信号変調回路及び信号変調方法
EP1052823A3 (de) * 1999-05-11 2003-11-19 Siemens Aktiengesellschaft Linearisierung der Verstärkung von phasen- und amplitudenmodulierten Signalen
WO2001008370A1 (de) * 1999-07-21 2001-02-01 Siemens Aktiengesellschaft Modulationsschaltung zur erzeugung eines zugleich phasen- und amplitudenmodulierten signals
GB0014344D0 (en) * 2000-06-13 2000-08-02 Nokia Mobile Phones Ltd Universal modulation mode tri-amplifier
US6975687B2 (en) * 2000-06-16 2005-12-13 Hughes Electronics Corporation Linearized offset QPSK modulation utilizing a sigma-delta based frequency modulator
US6670849B1 (en) * 2000-08-30 2003-12-30 Skyworks Solutions, Inc. System for closed loop power control using a linear or a non-linear power amplifier
US6650875B1 (en) * 2000-08-30 2003-11-18 Skyworks Solutions, Inc. Transmitter architecture having a secondary phase-error correction loop including an amplitude reconstruction system
US6792282B1 (en) * 2000-09-21 2004-09-14 Skyworks Solutions, Inc. Multiple step switched translation loop for power amplifier feedback control
US6671337B1 (en) 2000-10-25 2003-12-30 Koninklijke Philips Electronics N.V. Carrier modulator for use in a transmitter or transceiver
JP4061193B2 (ja) 2000-10-31 2008-03-12 テレフオンアクチーボラゲット エル エム エリクソン（パブル） Ｉｑ変調システム並びに個別的な位相パス及び信号パスを使用する方法
US6975686B1 (en) 2000-10-31 2005-12-13 Telefonaktiebolaget L.M. Ericsson IQ modulation systems and methods that use separate phase and amplitude signal paths
EP1209873A1 (fr) * 2000-11-21 2002-05-29 Koninklijke Philips Electronics N.V. Procédé et apparaeil pour le transmission de signaux modulés en phase et en amplitude
GB2370169A (en) * 2000-12-15 2002-06-19 Nokia Mobile Phones Ltd Radio transmitter circuits
US6993107B2 (en) * 2001-01-16 2006-01-31 International Business Machines Corporation Analog unidirectional serial link architecture
EP1235403B1 (en) * 2001-02-22 2012-12-05 Panasonic Corporation Combined frequency and amplitude modulation
US6754287B2 (en) * 2001-03-21 2004-06-22 Skyworks Solutions, Inc. Method and apparatus for producing a modulated signal
US6937668B2 (en) 2001-03-28 2005-08-30 Spectra Wireless, Inc. Method of and apparatus for performing modulation
DE10117056A1 (de) * 2001-04-05 2002-10-10 Siemens Ag Lineare Amplitudenmodulation in einer Polar Loop
DE10117563B4 (de) * 2001-04-07 2006-04-13 Interessengemeinschaft für Rundfunkschutzrechte GmbH Schutzrechtsverwertung & Co. KG. Verfahren zur Verstärkung eines amplituden- und/oder phasenmodulierten Hochfrequenzsignals nach dem Prinzip des Envelope Elimination und Restoration und Schaltungsanordnung
GB0110106D0 (en) * 2001-04-25 2001-06-20 Filtronic Plc Electrical signal preconditioning
US6993087B2 (en) * 2001-06-29 2006-01-31 Nokia Mobile Phones Ltd. Switching mode power amplifier using PWM and PPM for bandpass signals
EP1255390A1 (de) * 2001-10-18 2002-11-06 Siemens Aktiengesellschaft Verfahren und Vorrichtung zum wahlweisen Erzeugen von Mobilfunk-Signalen wenigstens zweier sich unterscheidender Mobilfunkübertragungsmoden
FR2837647B1 (fr) * 2002-03-25 2006-11-24 Canon Kk Emetteur sans fil a consommation de puissance reduite
FR2837639A1 (fr) * 2002-03-25 2003-09-26 Canon Kk Emetteur sans fil a consommation de puissance reduite
US7129790B2 (en) 2002-05-24 2006-10-31 Nokia Corporation Phase-locked loop circuit
US6943623B2 (en) * 2002-06-11 2005-09-13 Nokia Corporation Amplification circuitry
US7346122B1 (en) * 2002-08-21 2008-03-18 Weixun Cao Direct modulation of a power amplifier with adaptive digital predistortion
JP4230238B2 (ja) * 2003-02-06 2009-02-25 パナソニック株式会社 送信装置及びその調整方法
GB2402273B (en) 2003-05-30 2006-03-01 Qualcomm An apparatus for providing an oscillating signal to a load
DE102004060698B3 (de) 2004-12-16 2006-06-14 Infineon Technologies Ag Polarmodulator und Verfahren zur Modulation eines Signals
US7412215B1 (en) * 2005-06-03 2008-08-12 Rf Micro Devices, Inc. System and method for transitioning from one PLL feedback source to another
US7539462B2 (en) * 2005-08-09 2009-05-26 Freescale Semiconductor, Inc. Configurable multi-mode modulation system and transmitter
JP2009536471A (ja) * 2006-02-10 2009-10-08 エヌエックスピー ビー ヴィ 電力増幅器
JP6166022B2 (ja) * 2012-07-09 2017-07-19 日本無線株式会社 自動電力制御装置
CN104579192B (zh) * 2013-10-10 2018-06-05 通用电气公司 使用反馈控制的射频信号放大系统及方法
WO2016142001A1 (en) * 2015-03-12 2016-09-15 Telefonaktiebolaget Lm Ericsson (Publ) Multipoint transmission and reception in a radio communication network
US10212611B2 (en) 2015-03-16 2019-02-19 Telefonaktiebolaget Lm Ericsson (Publ) Multipoint transmission and reception in a radio communication network

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NL8301179A (nl) * 1983-04-01 1984-11-01 Philips Nv Ontvanger voor hf-signalen voorzien van een paar parallelle signaalwegen.
US4600892A (en) * 1984-06-28 1986-07-15 Hughes Aircraft Company RF amplifier with frequency spectrum control
US5105164A (en) 1989-02-28 1992-04-14 At&T Bell Laboratories High efficiency uhf linear power amplifier
JPH03198407A (ja) * 1989-12-26 1991-08-29 Mitsubishi Electric Corp 線形増幅器
JPH07118617B2 (ja) 1990-07-19 1995-12-18 沖電気工業株式会社 電力増幅装置及び送信装置
US5420536A (en) * 1993-03-16 1995-05-30 Victoria University Of Technology Linearized power amplifier
FI105247B (fi) * 1994-11-14 2000-06-30 Nokia Mobile Phones Ltd Menetelmä ja kytkentä radiopuhelimen taajuuksien muodostamiseksi
US5570063A (en) * 1995-05-18 1996-10-29 Spectrian, Inc. RF power amplifier with signal predistortion for improved linearity
US5880633A (en) * 1997-05-08 1999-03-09 Motorola, Inc. High efficiency power amplifier
CA2224261A1 (en) * 1997-12-09 1999-06-09 Philsar Electronics Inc. Low phase noise, high q, high gain amplifier in an integrated circuit
US6137999A (en) * 1997-12-24 2000-10-24 Motorola, Inc. Image reject transceiver and method of rejecting an image
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US6236267B1 (en) * 1998-12-29 2001-05-22 International Business Machines Corporation Linearization for power amplifiers using feed-forward and feedback control

Also Published As

Publication number Publication date
JP2000138723A (ja) 2000-05-16
EP0998088A3 (en) 2003-09-17
US6480704B1 (en) 2002-11-12
FI105609B (fi) 2000-09-15
EP0998088A2 (en) 2000-05-03
FI982329A0 (fi) 1998-10-27

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