DE69933457D1 - Verfahren und Vorrichtung zum Erzeugen eines hochfrequenten Sendesignals - Google Patents

Verfahren und Vorrichtung zum Erzeugen eines hochfrequenten Sendesignals

Info

Publication number
DE69933457D1
DE69933457D1 DE69933457T DE69933457T DE69933457D1 DE 69933457 D1 DE69933457 D1 DE 69933457D1 DE 69933457 T DE69933457 T DE 69933457T DE 69933457 T DE69933457 T DE 69933457T DE 69933457 D1 DE69933457 D1 DE 69933457D1
Authority
DE
Germany
Prior art keywords
signal
frequency
generating
radio
information
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 - Lifetime
Application number
DE69933457T
Other languages
English (en)
Other versions
DE69933457T2 (de
Inventor
Richard Hellberg
Tony Fonden
Spendim Dalipi
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE69933457D1 publication Critical patent/DE69933457D1/de
Application granted granted Critical
Publication of DE69933457T2 publication Critical patent/DE69933457T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2178—Class D power amplifiers; Switching amplifiers using more than one switch or switching amplifier in parallel or in series
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit
    • 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
    • H04B2001/0408—Circuits with power amplifiers
    • 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
    • H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Amplitude Modulation (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Amplifiers (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DE69933457T 1999-11-18 1999-11-18 Verfahren und Vorrichtung zum Erzeugen eines hochfrequenten Sendesignals Expired - Lifetime DE69933457T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99850172A EP1102409B1 (de) 1999-11-18 1999-11-18 Verfahren und Vorrichtung zum Erzeugen eines hochfrequenten Sendesignals

Publications (2)

Publication Number Publication Date
DE69933457D1 true DE69933457D1 (de) 2006-11-16
DE69933457T2 DE69933457T2 (de) 2007-02-08

Family

ID=8243770

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69933457T Expired - Lifetime DE69933457T2 (de) 1999-11-18 1999-11-18 Verfahren und Vorrichtung zum Erzeugen eines hochfrequenten Sendesignals

Country Status (10)

Country Link
US (1) US7058136B1 (de)
EP (2) EP1102409B1 (de)
KR (1) KR100751999B1 (de)
CN (1) CN1274097C (de)
AT (1) ATE341861T1 (de)
AU (1) AU2562601A (de)
CA (1) CA2390097A1 (de)
DE (1) DE69933457T2 (de)
ES (1) ES2273470T3 (de)
WO (1) WO2001037461A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE520530C2 (sv) * 2001-04-26 2003-07-22 Ericsson Telefon Ab L M Linjäriserad omkopplarbaserad effektförstärkare
US7346113B2 (en) * 2002-07-26 2008-03-18 Texas Instruments Incorporated Method and circuit for stop of signals quantized using noise-shaping
JP2005286774A (ja) * 2004-03-30 2005-10-13 Sanyo Electric Co Ltd 伝送信号生成装置
US8965282B2 (en) 2009-03-18 2015-02-24 Qualcomm Incorporated Finite rate of innovation (FRI) techniques for low power body area network (LP-BAN) communications
US8724686B2 (en) 2009-03-18 2014-05-13 Qualcomm Incorporated Equalization by the pulse shape inverse of the input to the FRI processing in pulse based communications
US8571151B2 (en) * 2009-03-18 2013-10-29 Qualcomm Incorporated Emulation of N-bits uniform quantizer from multiple incoherent and noisy one-bit measurements
KR101982730B1 (ko) * 2011-09-22 2019-05-27 한국전자통신연구원 네트워크의 보호 절체 방법 및 장치
US8929201B2 (en) * 2011-09-22 2015-01-06 Electronics And Telecommunications Research Institute Method and apparatus of performing protection switching on networks
US9577516B1 (en) * 2016-02-18 2017-02-21 Advanced Energy Industries, Inc. Apparatus for controlled overshoot in a RF generator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5279815A (en) * 1975-12-26 1977-07-05 Nec Corp Transmitting and receiving circuit
FR2653959B1 (fr) * 1989-11-02 1994-05-20 Matra Communication Procede et dispositif de modulation numerique a composantes en phase et en quadrature.
NL9001360A (nl) * 1990-06-15 1992-01-02 Philips Nv Zender bevattende een elektronische inrichting voor het opwekken van een gemoduleerd draaggolfsignaal.
JP2809957B2 (ja) * 1993-01-22 1998-10-15 株式会社東芝 ディジタルａｍ送信機
SE507373C2 (sv) * 1996-09-06 1998-05-18 Ericsson Telefon Ab L M Anordning och metod för pulsformning och effektförstärkning
US6377784B2 (en) * 1999-02-09 2002-04-23 Tropian, Inc. High-efficiency modulation RF amplifier

Also Published As

Publication number Publication date
EP1102409B1 (de) 2006-10-04
KR20020056919A (ko) 2002-07-10
US7058136B1 (en) 2006-06-06
CN1274097C (zh) 2006-09-06
EP1102409A1 (de) 2001-05-23
ES2273470T3 (es) 2007-05-01
CA2390097A1 (en) 2001-05-25
DE69933457T2 (de) 2007-02-08
KR100751999B1 (ko) 2007-08-28
AU2562601A (en) 2001-05-30
ATE341861T1 (de) 2006-10-15
EP1232587A1 (de) 2002-08-21
CN1391740A (zh) 2003-01-15
WO2001037461A1 (en) 2001-05-25

Similar Documents

Publication Publication Date Title
KR970061012A (ko) 방전 램프 작동용 장치 및 그 방법
DE69710235D1 (de) Verfahren zur Korrektur von nichtlinearen Verzerrungen in einem Verstärker und ein solches Verfahren verwendenden Funksenders
CA2298927A1 (en) Aparatus and method for reducing oscillator frequency pulling during am modulation
ATE466413T1 (de) Verfahren und vorrichtung mit basisbandtransformation zur verbesserung von senderleistung
DE59510894D1 (de) Verfahren zur erfassung von vitalfunktionen lebender körper
DE69933457D1 (de) Verfahren und Vorrichtung zum Erzeugen eines hochfrequenten Sendesignals
DE69435176D1 (de) Verfahren und Vorrichtung zur Frequenzerzeugung eines digitalen, drahtlosen Telefons
EP1253708A3 (de) Schaltung zur Unterdrückung von Verzerrungen
DE60131989D1 (de) Schaltungen und verfahren zur interferenz verminderung für schaltende schaltungen
JPH03131129A (ja) 無線電話用の送信装置
ATE492950T1 (de) Kommunikationssystem und verfahren mit ultra breite bande
EP0977408A3 (de) Verfahren und Einrichtung zur ASK-Modulation
MY125711A (en) Semiconductor laser driving method and optical disc apparatus
FR2826205B1 (fr) Procede de modulation de l'amplitude d'un signal radiofrequence, et dispositif pour sa mise en oeuvre
ATE448621T1 (de) Verfahren und vorrichtung zum modulieren eines rundfunksignals unter verwendung digitalen amplituden- und phasen-steuerungssignale
US20080225980A1 (en) Transmission Signal Producing Apparatus
KR100978221B1 (ko) 무선 통신 시스템의 전력 송신 장치
DE69011811D1 (de) Verfahren und Einrichtung zur Digitalmodulation mittels Inphase- und Quadraturkomponenten.
KR950035151A (ko) 집적된 고역 필터를 구비한 주파수 반전 스크램블러
ATE301297T1 (de) Treiberschaltung zur stabilisierung der optischen ausgangsleistung von akustooptischen vorrichtungen
ATE288645T1 (de) Verfahren und vorrichtung zur formung eines optischen binären signales
DE60236758D1 (de) Verfahren und vorrichtung zur amplitudenmodulierung von datensignalen mittels eines rechtecksignales
DE60136432D1 (de) Vorrichtung und Verfahren zur Erzeugung eines RF-Sendesignals
KR940008411A (ko) 멀티(Multi)방송 방식의 고주파(RF)변조장치 및 방법
JP2000022594A (ja) 周波数ホッピング送信機とその周波数切替方法

Legal Events

Date Code Title Description
8364 No opposition during term of opposition