IL75515A - Rf amplifier with frequency spectrum control - Google Patents

Rf amplifier with frequency spectrum control

Info

Publication number
IL75515A
IL75515A IL75515A IL7551585A IL75515A IL 75515 A IL75515 A IL 75515A IL 75515 A IL75515 A IL 75515A IL 7551585 A IL7551585 A IL 7551585A IL 75515 A IL75515 A IL 75515A
Authority
IL
Israel
Prior art keywords
amplifier
frequency spectrum
spectrum control
control
frequency
Prior art date
Application number
IL75515A
Other languages
English (en)
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of IL75515A publication Critical patent/IL75515A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/282—Transmitters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/02—Details
    • H03C1/06—Modifications of modulator to reduce distortion, e.g. by feedback, and clearly applicable to more than one type of modulator

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Amplitude Modulation (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
IL75515A 1984-06-28 1985-06-13 Rf amplifier with frequency spectrum control IL75515A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/626,098 US4600892A (en) 1984-06-28 1984-06-28 RF amplifier with frequency spectrum control

Publications (1)

Publication Number Publication Date
IL75515A true IL75515A (en) 1989-01-31

Family

ID=24508933

Family Applications (1)

Application Number Title Priority Date Filing Date
IL75515A IL75515A (en) 1984-06-28 1985-06-13 Rf amplifier with frequency spectrum control

Country Status (6)

Country Link
US (1) US4600892A (enExample)
EP (1) EP0190166B1 (enExample)
JP (1) JPS61502580A (enExample)
DE (1) DE3583860D1 (enExample)
IL (1) IL75515A (enExample)
WO (1) WO1986000476A1 (enExample)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709215A (en) * 1985-12-30 1987-11-24 Hughes Aircraft Company Traveling wave tube drive controller
IT1215370B (it) * 1987-02-26 1990-02-08 Gtg Ora Siemens Telecomunicazi Linearizzatore per amplificatore di potenza a microonde.
FR2639775A1 (fr) * 1988-11-25 1990-06-01 Thomson Csf Dispositif de correction de phase induite par le fonctionnement en classe c de l'amplificateur " etat solide " et chaine radar utilisant un tel dispositif
JPH03198512A (ja) * 1989-12-27 1991-08-29 Mitsubishi Electric Corp 高周波増幅器
GB9002789D0 (en) * 1990-02-08 1990-04-04 Marconi Co Ltd Circuit for reducing distortion produced by an r.f.power amplifier
US5101173A (en) * 1990-11-28 1992-03-31 The United States Of America As Represented By The Secretary Of The Air Force Stored program controlled module amplifier bias and amplitude/phase compensation apparatus
US5101211A (en) * 1991-01-10 1992-03-31 Hughes Aircraft Company Closed loop RF power amplifier output correction circuit
US5175879A (en) * 1991-04-25 1992-12-29 Motorola, Inc. Linear amplifier with feedback path and phase error compensation
US5365190A (en) * 1993-05-03 1994-11-15 Duly Research, Inc. Feed-forward digital phase and amplitude correction system
FI105609B (fi) * 1998-10-27 2000-09-15 Nokia Mobile Phones Ltd Menetelmä ja järjestely lähetyssignaalin muodostamiseksi
US6285255B1 (en) * 1999-11-02 2001-09-04 Harris Corporation Adaptive compensation for carrier signal phase distortion
DE50103752D1 (de) * 2000-03-03 2004-10-28 Siemens Ag Verfahren und sendeschaltung zur erzeugung eines sendesignals
US6459337B1 (en) 2000-07-05 2002-10-01 Teledyne Technologies Incorporated System and method for noise and spurious suppression in power amplifier systems
US6650875B1 (en) * 2000-08-30 2003-11-18 Skyworks Solutions, Inc. Transmitter architecture having a secondary phase-error correction loop including an amplitude reconstruction system
US6535060B2 (en) 2000-12-05 2003-03-18 Teledyne Technologies Incorporated System and method for noise and spurious supression in power amplifier systems
GB0030693D0 (en) 2000-12-15 2001-01-31 Nokia Mobile Phones Ltd Amplifier circuit radio transmitter method and use
US6498532B2 (en) 2001-01-12 2002-12-24 Teledyne Technologies Incorporated System and method for linearizing vacuum electronic amplification
JP4772232B2 (ja) * 2001-08-29 2011-09-14 アジレント・テクノロジーズ・インク 高周波増幅回路及び高周波増幅回路の駆動方法
US6734734B2 (en) 2002-07-24 2004-05-11 Teledyne Technologies Incorporated Amplifier phase droop and phase noise systems and methods
US6892057B2 (en) * 2002-08-08 2005-05-10 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for reducing dynamic range of a power amplifier
GB2414352A (en) * 2004-05-18 2005-11-23 Roke Manor Research An adaptively-corrected RF pulse amplifier for a beam-steered radar antenna array
US7423464B2 (en) * 2006-04-04 2008-09-09 Johann-Christoph Scheytt Phase and amplitude modulator
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
US9314648B2 (en) * 2011-12-23 2016-04-19 Texas Tech University System System, method and apparatus for tracking targets during treatment using a radar motion sensor
JP6392121B2 (ja) * 2012-09-19 2018-09-19 古野電気株式会社 パルス圧縮レーダ
JP6324314B2 (ja) * 2012-09-19 2018-05-16 古野電気株式会社 パルス圧縮レーダ
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
DE102013111512A1 (de) * 2013-10-18 2015-04-23 Hella Kgaa Hueck & Co. Radargerät und Verfahren zum Betreiben eines Radargerätes
EP3279619B1 (de) * 2016-08-01 2020-02-12 VEGA Grieshaber KG Radarfüllstandmessgerät

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900823A (en) * 1973-03-28 1975-08-19 Nathan O Sokal Amplifying and processing apparatus for modulated carrier signals
US4134114A (en) * 1977-04-14 1979-01-09 Hughes Aircraft Company Radar system having amplitude and phase modulation and demodulation circuits
GB2011741A (en) * 1977-11-30 1979-07-11 Plessey Co Ltd Power amplifier arrangement
DE2835751C2 (de) * 1978-08-16 1980-07-03 Standard Elektrik Lorenz Ag, 7000 Stuttgart HF-Leistungsverstärker mit einer Modulationseinrichtung
US4298841A (en) * 1979-09-14 1981-11-03 International Telephone And Telegraph Corporation Signal envelope detecting system

Also Published As

Publication number Publication date
EP0190166B1 (en) 1991-08-21
JPH0479580B2 (enExample) 1992-12-16
WO1986000476A1 (en) 1986-01-16
US4600892A (en) 1986-07-15
DE3583860D1 (de) 1991-09-26
JPS61502580A (ja) 1986-11-06
EP0190166A1 (en) 1986-08-13

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Legal Events

Date Code Title Description
RH Patent void