ATE353171T1 - Vorwärtskopplungsverstärkungsschaltung - Google Patents

Vorwärtskopplungsverstärkungsschaltung

Info

Publication number
ATE353171T1
ATE353171T1 AT02741590T AT02741590T ATE353171T1 AT E353171 T1 ATE353171 T1 AT E353171T1 AT 02741590 T AT02741590 T AT 02741590T AT 02741590 T AT02741590 T AT 02741590T AT E353171 T1 ATE353171 T1 AT E353171T1
Authority
AT
Austria
Prior art keywords
signal delay
amplification circuit
components
variable
forward coupling
Prior art date
Application number
AT02741590T
Other languages
English (en)
Inventor
Gerard Kemna
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE353171T1 publication Critical patent/ATE353171T1/de

Links

Classifications

    • 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
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AT02741590T 2001-06-29 2002-06-20 Vorwärtskopplungsverstärkungsschaltung ATE353171T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0102345A SE0102345D0 (sv) 2001-06-29 2001-06-29 Feed forward amplifying circuit

Publications (1)

Publication Number Publication Date
ATE353171T1 true ATE353171T1 (de) 2007-02-15

Family

ID=20284692

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02741590T ATE353171T1 (de) 2001-06-29 2002-06-20 Vorwärtskopplungsverstärkungsschaltung

Country Status (6)

Country Link
US (1) US6819175B2 (de)
EP (1) EP1402626B1 (de)
AT (1) ATE353171T1 (de)
DE (1) DE60217963T2 (de)
SE (1) SE0102345D0 (de)
WO (1) WO2003009467A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7308234B2 (en) * 2005-01-19 2007-12-11 Northrop Grumman Corporation Feedforward spur cancellation approach using low IP amplifier
DE602006000131T2 (de) * 2005-06-03 2008-07-03 Ntt Docomo Inc. Bandauswahl-Vorwärtskopplungsverstärker
CN102075147A (zh) * 2010-12-31 2011-05-25 深圳市虹远通信有限责任公司 一种射频功放的方法及前馈功放
US9588213B2 (en) 2014-02-18 2017-03-07 Raytheon Company Analog signal processing method for accurate single antenna direction finding
US9590760B2 (en) * 2014-06-03 2017-03-07 Raytheon Company Analog RF memory system
US9645972B2 (en) 2014-06-16 2017-05-09 Raytheon Company Butterfly channelizer
US9485125B2 (en) 2014-06-16 2016-11-01 Raytheon Company Dynamically reconfigurable channelizer
US10027026B2 (en) 2014-09-18 2018-07-17 Raytheon Company Programmable beamforming system including element-level analog channelizer
US10348338B2 (en) 2016-10-06 2019-07-09 Raytheon Company Adaptive channelizer
US10084587B1 (en) 2017-07-28 2018-09-25 Raytheon Company Multifunction channelizer/DDC architecture for a digital receiver/exciter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5850162A (en) * 1997-02-20 1998-12-15 Harris Corporation Linearization of an amplifier employing modified feedforward correction
US6091296A (en) * 1998-08-14 2000-07-18 Samsung Electronics Co., Ltd. Single loop feedforward amplifier for use in an RF transmitter and method of operation
US6104241A (en) 1998-11-18 2000-08-15 Spectrian High efficiency feed-forward RF power amplifier with predistoration enchancement
US6519374B1 (en) 1999-03-30 2003-02-11 Uniphase Corporation Predistortion arrangement using mixers in nonlinear electro-optical applications
EP1107450B1 (de) * 1999-12-03 2005-10-19 Hitachi Kokusai Electric Inc. Verstärker mit Verzerrungskompensation
US6275105B1 (en) * 2000-02-07 2001-08-14 Amplix Adaptive linearization of a feedforward amplifier by complex gain stabilization of the error amplifier

Also Published As

Publication number Publication date
EP1402626B1 (de) 2007-01-31
US20040189384A1 (en) 2004-09-30
EP1402626A1 (de) 2004-03-31
SE0102345D0 (sv) 2001-06-29
WO2003009467A1 (en) 2003-01-30
DE60217963D1 (de) 2007-03-22
DE60217963T2 (de) 2007-10-31
US6819175B2 (en) 2004-11-16

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Legal Events

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