IT1247851B - Amplificatore a preregolazione includente correzione di fase. - Google Patents

Amplificatore a preregolazione includente correzione di fase.

Info

Publication number
IT1247851B
IT1247851B ITRM910288A ITRM910288A IT1247851B IT 1247851 B IT1247851 B IT 1247851B IT RM910288 A ITRM910288 A IT RM910288A IT RM910288 A ITRM910288 A IT RM910288A IT 1247851 B IT1247851 B IT 1247851B
Authority
IT
Italy
Prior art keywords
phase correction
amplifier including
including phase
regulation amplifier
regulation
Prior art date
Application number
ITRM910288A
Other languages
English (en)
Italian (it)
Inventor
Stephen Ludvik
Victor E Steel
Douglas Scott
Original Assignee
Teledyne Mec
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 Teledyne Mec filed Critical Teledyne Mec
Publication of ITRM910288A0 publication Critical patent/ITRM910288A0/it
Publication of ITRM910288A1 publication Critical patent/ITRM910288A1/it
Application granted granted Critical
Publication of IT1247851B publication Critical patent/IT1247851B/it

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
    • H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
ITRM910288A 1990-05-02 1991-04-30 Amplificatore a preregolazione includente correzione di fase. IT1247851B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/517,879 US5065110A (en) 1990-05-02 1990-05-02 Feed-forward amplifier including phase correction

Publications (3)

Publication Number Publication Date
ITRM910288A0 ITRM910288A0 (it) 1991-04-30
ITRM910288A1 ITRM910288A1 (it) 1992-10-30
IT1247851B true IT1247851B (it) 1995-01-02

Family

ID=24061608

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM910288A IT1247851B (it) 1990-05-02 1991-04-30 Amplificatore a preregolazione includente correzione di fase.

Country Status (5)

Country Link
US (1) US5065110A (enExample)
DE (1) DE4111703C2 (enExample)
FR (1) FR2661789A1 (enExample)
GB (1) GB2243736B (enExample)
IT (1) IT1247851B (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2804195B2 (ja) * 1992-02-27 1998-09-24 日本無線株式会社 自動制御フィードフォワード非線形歪補償増幅器
DE4301916A1 (de) * 1993-01-25 1994-08-11 Arthur Wolf HF-Fernsprechverstärker
US5386198A (en) * 1993-01-28 1995-01-31 Telefonaktiebolaget L M Ericsson Linear amplifier control
US5394120A (en) * 1993-04-13 1995-02-28 Japan Radio Co., Ltd. Device for testing an amplifier
US5455537A (en) * 1994-08-19 1995-10-03 Radio Frequency Systems, Inc. Feed forward amplifier
US5955916A (en) * 1994-11-23 1999-09-21 Lucent Technologies Inc. Modulator linear feed-forward amplifier
JPH09139631A (ja) * 1995-11-16 1997-05-27 Fujitsu Ltd フィードフォワード増幅装置及びフィードフォワード増幅装置付き基地局
US5742201A (en) * 1996-01-30 1998-04-21 Spectrian Polar envelope correction mechanism for enhancing linearity of RF/microwave power amplifier
US5892397A (en) * 1996-03-29 1999-04-06 Spectrian Adaptive compensation of RF amplifier distortion by injecting predistortion signal derived from respectively different functions of input signal amplitude
FI103743B (fi) 1997-08-27 1999-08-31 Insinoeoeritoimisto Juhana Yli Linearisointipiiri
JP3214463B2 (ja) * 1998-10-21 2001-10-02 日本電気株式会社 無線通信装置
US6255903B1 (en) * 1999-12-06 2001-07-03 Motorola Linear power amplifier with configurable feedforward error correction circuits
US7091781B2 (en) * 2004-10-29 2006-08-15 Motorola, Inc. Wideband feed forward linear power amplifier
US7656236B2 (en) 2007-05-15 2010-02-02 Teledyne Wireless, Llc Noise canceling technique for frequency synthesizer
US8179045B2 (en) 2008-04-22 2012-05-15 Teledyne Wireless, Llc Slow wave structure having offset projections comprised of a metal-dielectric composite stack
US7791413B2 (en) 2008-06-05 2010-09-07 Her Majesty The Queen In Right Of Canada Linearizing technique for power amplifiers
US8583049B2 (en) * 2009-09-08 2013-11-12 Bae Systems Information And Electronic Systems Integration Inc. Self-optimizing integrated RF converter
US9202660B2 (en) 2013-03-13 2015-12-01 Teledyne Wireless, Llc Asymmetrical slow wave structures to eliminate backward wave oscillations in wideband traveling wave tubes

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541467A (en) * 1969-04-25 1970-11-17 Bell Telephone Labor Inc Feed-forward amplifier with frequency shaping
DE2044553C3 (de) * 1970-09-09 1973-12-13 Wandel U. Goltermann, 7410 Reutlingen Laufzeit und Dampfungsentzerrer
US3815040A (en) * 1973-03-02 1974-06-04 Bell Telephone Labor Inc Feed-forward, error-correcting systems
US3886470A (en) * 1973-12-04 1975-05-27 Amplifier Design And Service I Feed-forward amplifier system
GB1515335A (en) * 1974-06-21 1978-06-21 Hitachi Ltd Equalizer having variable attenuation
GB1519456A (en) * 1975-09-18 1978-07-26 Post Office Wideband amplifier arrangement
FR2418981A1 (fr) * 1978-03-03 1979-09-28 Lignes Telegraph Telephon Circuit d'amplification pour telecommunication en hyperfrequence
DE2813407C2 (de) * 1978-03-29 1987-03-05 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Ein auf einem festen Grundkörper kippbar gelagerter Tisch
US4276514A (en) * 1979-07-09 1981-06-30 Trw Inc. Wideband, phase compensated amplifier with negative feedback of distortion components in the output signal
JPS60106209A (ja) * 1983-11-15 1985-06-11 Kokusai Denshin Denwa Co Ltd <Kdd> マイクロ波電力増幅装置
US4617522A (en) * 1984-03-20 1986-10-14 General Instrument Corporation Temperature regulated feedforward amplifier
US4532478A (en) * 1984-05-30 1985-07-30 Rockwell International Corporation Phase adjusted feedforward system utilizing a single amplitude/phase equalizer
US4595882A (en) * 1984-05-30 1986-06-17 Rockwell International Corporation Phase adjusted feedforward error correction
US4581595A (en) * 1984-05-30 1986-04-08 Rockwell International Corporation Phase shift network with minimum amplitude ripple
US4583049A (en) * 1984-06-15 1986-04-15 Trw Inc. Feed-forward circuit
GB2198303A (en) * 1986-12-05 1988-06-08 Philips Electronic Associated Amplifier circuit arrangement
JPH0828644B2 (ja) * 1986-12-26 1996-03-21 株式会社東芝 アクテイブ型位相等化器
US4885551A (en) * 1988-10-31 1989-12-05 American Telephone And Telegraph Company At&T Bell Laboratories Feed forward linear amplifier

Also Published As

Publication number Publication date
FR2661789B1 (enExample) 1994-12-09
GB9106804D0 (en) 1991-05-22
DE4111703C2 (de) 2001-12-20
GB2243736B (en) 1995-02-08
ITRM910288A0 (it) 1991-04-30
GB2243736A (en) 1991-11-06
ITRM910288A1 (it) 1992-10-30
DE4111703A1 (de) 1991-11-07
US5065110A (en) 1991-11-12
FR2661789A1 (fr) 1991-11-08

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970423