CN101375574A - 极性调制系统 - Google Patents

极性调制系统 Download PDF

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Publication number
CN101375574A
CN101375574A CNA2006800528177A CN200680052817A CN101375574A CN 101375574 A CN101375574 A CN 101375574A CN A2006800528177 A CNA2006800528177 A CN A2006800528177A CN 200680052817 A CN200680052817 A CN 200680052817A CN 101375574 A CN101375574 A CN 101375574A
Authority
CN
China
Prior art keywords
signal
pulse width
width modulated
radio frequency
modulated radio
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.)
Pending
Application number
CNA2006800528177A
Other languages
English (en)
Chinese (zh)
Inventor
赫尔本·W·琼
简·弗罗曼斯
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CN101375574A publication Critical patent/CN101375574A/zh
Pending legal-status Critical Current

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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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3252—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using multiple parallel paths between input and output
    • 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
    • H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CNA2006800528177A 2005-12-15 2006-12-12 极性调制系统 Pending CN101375574A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05112209 2005-12-15
EP05112209.1 2005-12-15

Publications (1)

Publication Number Publication Date
CN101375574A true CN101375574A (zh) 2009-02-25

Family

ID=38020356

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006800528177A Pending CN101375574A (zh) 2005-12-15 2006-12-12 极性调制系统

Country Status (3)

Country Link
EP (1) EP1969797A2 (fr)
CN (1) CN101375574A (fr)
WO (1) WO2007069193A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114189411A (zh) * 2020-09-14 2022-03-15 诺基亚技术有限公司 射频传输链

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9172329B2 (en) * 2012-08-01 2015-10-27 Nxp B.V. Harmonic suppression in switching amplifiers
EP3672069B1 (fr) * 2018-12-21 2022-06-22 Nxp B.V. Amplificateur de puissance et procédé de fonctionnement d'un amplificateur de puissance

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5115203A (en) * 1990-06-25 1992-05-19 Rockwell International Corporation Digital power amplifier
US6993087B2 (en) * 2001-06-29 2006-01-31 Nokia Mobile Phones Ltd. Switching mode power amplifier using PWM and PPM for bandpass signals
WO2004100356A2 (fr) * 2003-05-09 2004-11-18 Danmarks Tekniske Universitet Modulateur integrant une boucle globale
US6879209B2 (en) * 2003-07-08 2005-04-12 Icefyre Semiconductor Corp. Switched-mode power amplifier using lumped element impedance inverter for parallel combining

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114189411A (zh) * 2020-09-14 2022-03-15 诺基亚技术有限公司 射频传输链

Also Published As

Publication number Publication date
EP1969797A2 (fr) 2008-09-17
WO2007069193A3 (fr) 2008-01-31
WO2007069193A2 (fr) 2007-06-21

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20090225