ATE484880T1 - Digitaler hf modulator - Google Patents

Digitaler hf modulator

Info

Publication number
ATE484880T1
ATE484880T1 AT08017773T AT08017773T ATE484880T1 AT E484880 T1 ATE484880 T1 AT E484880T1 AT 08017773 T AT08017773 T AT 08017773T AT 08017773 T AT08017773 T AT 08017773T AT E484880 T1 ATE484880 T1 AT E484880T1
Authority
AT
Austria
Prior art keywords
digital
class
amplifier
signal
modulation
Prior art date
Application number
AT08017773T
Other languages
English (en)
Inventor
Paul Underbrink
Daryush Shamlou
Ricke Clark
Joseph Colles
Guangming Yin
Patrick Ryan
Kelly Hale
Original Assignee
Skyworks Solutions Inc
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 Skyworks Solutions Inc filed Critical Skyworks Solutions Inc
Application granted granted Critical
Publication of ATE484880T1 publication Critical patent/ATE484880T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2035—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers
    • H04L27/2042—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers with more than two phase states
    • H04L27/2046—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers with more than two phase states in which the data are represented by carrier phase
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
AT08017773T 2001-03-21 2002-03-20 Digitaler hf modulator ATE484880T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/814,196 US6754287B2 (en) 2001-03-21 2001-03-21 Method and apparatus for producing a modulated signal

Publications (1)

Publication Number Publication Date
ATE484880T1 true ATE484880T1 (de) 2010-10-15

Family

ID=25214400

Family Applications (2)

Application Number Title Priority Date Filing Date
AT02719290T ATE431644T1 (de) 2001-03-21 2002-03-20 System zur steuerung eines klasse-d-verstärkers
AT08017773T ATE484880T1 (de) 2001-03-21 2002-03-20 Digitaler hf modulator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT02719290T ATE431644T1 (de) 2001-03-21 2002-03-20 System zur steuerung eines klasse-d-verstärkers

Country Status (7)

Country Link
US (1) US6754287B2 (de)
EP (2) EP1410495B1 (de)
KR (1) KR100599148B1 (de)
CN (1) CN100341241C (de)
AT (2) ATE431644T1 (de)
DE (2) DE60238008D1 (de)
WO (1) WO2002078170A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7876855B2 (en) * 2001-08-28 2011-01-25 Northrop Grumman Systems Corporation Phase modulation power spreading used to reduce RF or microwave transmitter output power spur levels
US20030123566A1 (en) * 2001-12-27 2003-07-03 Jaime Hasson Transmitter having a sigma-delta modulator with a non-uniform polar quantizer and methods thereof
US7336753B2 (en) * 2003-06-26 2008-02-26 Marvell International Ltd. Transmitter
US20050041706A1 (en) * 2003-08-20 2005-02-24 Vikram Magoon Laser driver circuit
US7912145B2 (en) * 2003-12-15 2011-03-22 Marvell World Trade Ltd. Filter for a modulator and methods thereof
US7356315B2 (en) * 2003-12-17 2008-04-08 Intel Corporation Outphasing modulators and methods of outphasing modulation
US7649958B2 (en) 2004-06-25 2010-01-19 Sige Semiconductor (Europe) Limited Transmit signal generator and method
US8355465B2 (en) 2004-11-10 2013-01-15 Sige Semiconductor (Europe) Limited Driver circuit for driving a power amplifier
US7471154B2 (en) 2006-08-08 2008-12-30 Skyworks Solutions, Inc. Bias circuit for maintaining high linearity at cutback power conditions
US7446612B2 (en) 2006-09-08 2008-11-04 Skyworks Solutions, Inc. Amplifier feedback and bias configuration
US7719141B2 (en) * 2006-11-16 2010-05-18 Star Rf, Inc. Electronic switch network
US7696826B2 (en) 2006-12-04 2010-04-13 Skyworks Solutions, Inc. Temperature compensation of collector-voltage control RF amplifiers
WO2009001233A1 (en) * 2007-06-26 2008-12-31 Nxp B.V. Power-efficient transmitter for magnetic link
WO2009047705A1 (en) * 2007-10-10 2009-04-16 St Wireless Sa Transmitter
WO2009153450A2 (fr) * 2008-06-16 2009-12-23 Universite Aix-Marseille I Amplificateur numerique classe d comprenant un reducteur de bruit
US20100019858A1 (en) * 2008-07-22 2010-01-28 Star Rf, Inc. N:m transformer and impedance matching
CN108233875B (zh) * 2016-12-13 2021-07-06 台达电子工业股份有限公司 射频放大器及提高其效率的方法、以及射频电源供应器
EP3602779B1 (de) * 2017-03-27 2025-07-23 Waveguide Corporation Integrierte schaltnetzleistungsverstärker
US12231129B2 (en) * 2022-04-26 2025-02-18 Changxin Memory Technologies, Inc. Signal generator and memory

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4584541A (en) * 1984-12-28 1986-04-22 Rca Corporation Digital modulator with variations of phase and amplitude modulation
JPH0289440A (ja) * 1988-09-27 1990-03-29 Victor Co Of Japan Ltd ディジタル４相ｐｓｋ変調器
JPH0646032A (ja) * 1991-10-24 1994-02-18 Ricoh Co Ltd スペクトル拡散通信方式
JP3419484B2 (ja) * 1992-03-30 2003-06-23 株式会社東芝 変調器、送信器
US5450044A (en) 1993-04-14 1995-09-12 Acrodyne Industries, Inc. Quadrature amplitude modulator including a digital amplitude modulator as a component thereof
US5627499A (en) * 1995-10-13 1997-05-06 Pacific Communication Sciences, Inc. Digital modulator and upconverter having single-bit delta-sigma data converters
US5859869A (en) * 1995-11-17 1999-01-12 Sanconix, Inc. Low cost binary phase shift keying modulation transmitter system
US5705959A (en) * 1996-10-08 1998-01-06 The United States Of America As Represented By The Secretary Of The Air Force High efficiency low distortion amplification
US5838210A (en) * 1997-12-01 1998-11-17 Motorola, Inc. Method and apparatus for generating a modulated signal
US5942938A (en) * 1997-12-29 1999-08-24 Motorola, Inc. Method and apparatus for high efficiency power amplification
US6101224A (en) 1998-10-07 2000-08-08 Telefonaktiebolaget Lm Ericsson Method and apparatus for generating a linearly modulated signal using polar modulation
FI105609B (fi) * 1998-10-27 2000-09-15 Nokia Mobile Phones Ltd Menetelmä ja järjestely lähetyssignaalin muodostamiseksi
US6194963B1 (en) 1998-11-18 2001-02-27 Ericsson Inc. Circuit and method for I/Q modulation with independent, high efficiency amplitude modulation
EP1035701A1 (de) * 1999-03-08 2000-09-13 Motorola, Inc. Modulator, der Einhüllendenbeseitigung und -Wiederherstellung mittels Nachschlagtabellen verwendet
JP2000286915A (ja) * 1999-03-31 2000-10-13 Toshiba Corp 信号変調回路及び信号変調方法
US6369648B1 (en) * 1999-04-21 2002-04-09 Hughes Electronics Corporation Linear traveling wave tube amplifier utilizing input drive limiter for optimization
EP1197051A1 (de) * 1999-07-21 2002-04-17 Siemens Aktiengesellschaft Modulationsschaltung zur erzeugung eines zugleich phasen- und amplitudenmodulierten signals

Also Published As

Publication number Publication date
EP2019485B1 (de) 2010-10-13
EP1410495A4 (de) 2004-10-06
ATE431644T1 (de) 2009-05-15
EP2019485A2 (de) 2009-01-28
CN1518792A (zh) 2004-08-04
EP1410495B1 (de) 2009-05-13
KR100599148B1 (ko) 2006-07-12
DE60232333D1 (de) 2009-06-25
CN100341241C (zh) 2007-10-03
WO2002078170A1 (en) 2002-10-03
DE60238008D1 (de) 2010-11-25
EP2019485A3 (de) 2009-08-05
US6754287B2 (en) 2004-06-22
US20020136326A1 (en) 2002-09-26
KR20040015070A (ko) 2004-02-18
EP1410495A1 (de) 2004-04-21

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties