JP5731325B2 - 変調器およびそれを用いる増幅器 - Google Patents

変調器およびそれを用いる増幅器 Download PDF

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Publication number
JP5731325B2
JP5731325B2 JP2011184918A JP2011184918A JP5731325B2 JP 5731325 B2 JP5731325 B2 JP 5731325B2 JP 2011184918 A JP2011184918 A JP 2011184918A JP 2011184918 A JP2011184918 A JP 2011184918A JP 5731325 B2 JP5731325 B2 JP 5731325B2
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JP
Japan
Prior art keywords
signal
frequency
constant envelope
modulator
signals
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 - Fee Related
Application number
JP2011184918A
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English (en)
Japanese (ja)
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JP2013051456A5 (https=
JP2013051456A (ja
Inventor
エヌ ロズキン アレクサンダー
エヌ ロズキン アレクサンダー
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Fujitsu Ltd
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Fujitsu Ltd
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Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP2011184918A priority Critical patent/JP5731325B2/ja
Priority to US13/529,468 priority patent/US8749317B2/en
Publication of JP2013051456A publication Critical patent/JP2013051456A/ja
Publication of JP2013051456A5 publication Critical patent/JP2013051456A5/ja
Application granted granted Critical
Publication of JP5731325B2 publication Critical patent/JP5731325B2/ja
Expired - Fee Related legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
    • 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
    • H03F1/0294—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using vector summing of two or more constant amplitude phase-modulated signals
    • 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
    • H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/321—Use of a microprocessor in an amplifier circuit or its control circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
JP2011184918A 2011-08-26 2011-08-26 変調器およびそれを用いる増幅器 Expired - Fee Related JP5731325B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011184918A JP5731325B2 (ja) 2011-08-26 2011-08-26 変調器およびそれを用いる増幅器
US13/529,468 US8749317B2 (en) 2011-08-26 2012-06-21 Modulator and an amplifier using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011184918A JP5731325B2 (ja) 2011-08-26 2011-08-26 変調器およびそれを用いる増幅器

Publications (3)

Publication Number Publication Date
JP2013051456A JP2013051456A (ja) 2013-03-14
JP2013051456A5 JP2013051456A5 (https=) 2015-04-30
JP5731325B2 true JP5731325B2 (ja) 2015-06-10

Family

ID=47742820

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011184918A Expired - Fee Related JP5731325B2 (ja) 2011-08-26 2011-08-26 変調器およびそれを用いる増幅器

Country Status (2)

Country Link
US (1) US8749317B2 (https=)
JP (1) JP5731325B2 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9025699B2 (en) * 2013-05-13 2015-05-05 Samsung Electronics Co., Ltd. Methods and apparatus for all digital multi-level outphasing using bandwidth reduction
PT107875B (pt) * 2014-09-08 2017-02-13 Univ De Coimbra Transmissor linc com eficiência melhorada para sinais de banda limitada
US9876590B2 (en) * 2015-08-02 2018-01-23 Vayyar Imaging Ltd. Real-time network analyzer and applications

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6366177B1 (en) * 2000-02-02 2002-04-02 Tropian Inc. High-efficiency power modulators
SE521673C2 (sv) * 2001-11-29 2003-11-25 Ericsson Telefon Ab L M Sammansatt förstärkare
JP4518968B2 (ja) * 2004-01-26 2010-08-04 パナソニック株式会社 送信回路
US7911272B2 (en) * 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
JP2008172352A (ja) * 2007-01-09 2008-07-24 Japan Radio Co Ltd 高周波増幅回路
WO2008099724A1 (en) * 2007-02-14 2008-08-21 Panasonic Corporation Linc transmission circuit and communication device using the same
JP5125976B2 (ja) * 2008-10-15 2013-01-23 日本電気株式会社 光学変調回路、光学変調装置、画像表示装置、画像形成装置および光学変調方法
JP5731326B2 (ja) * 2011-08-26 2015-06-10 富士通株式会社 変調器およびそれを用いる増幅器

Also Published As

Publication number Publication date
US8749317B2 (en) 2014-06-10
US20130049877A1 (en) 2013-02-28
JP2013051456A (ja) 2013-03-14

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