CA2063403A1 - Correction de gain/phase pour boucle de retroaction d'amplificateur lineaire - Google Patents

Correction de gain/phase pour boucle de retroaction d'amplificateur lineaire

Info

Publication number
CA2063403A1
CA2063403A1 CA2063403A CA2063403A CA2063403A1 CA 2063403 A1 CA2063403 A1 CA 2063403A1 CA 2063403 A CA2063403 A CA 2063403A CA 2063403 A CA2063403 A CA 2063403A CA 2063403 A1 CA2063403 A1 CA 2063403A1
Authority
CA
Canada
Prior art keywords
linear amplifier
input
gain
feedback
transmitter
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.)
Granted
Application number
CA2063403A
Other languages
English (en)
Other versions
CA2063403C (fr
Inventor
Clifford Dana Leitch
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.)
Motorola Solutions Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2063403A1 publication Critical patent/CA2063403A1/fr
Application granted granted Critical
Publication of CA2063403C publication Critical patent/CA2063403C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • 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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0433—Circuits with power amplifiers with linearisation using feedback
CA002063403A 1989-08-25 1990-08-13 Correction de gain/phase pour boucle de retroaction d'amplificateur lineaire Expired - Fee Related CA2063403C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/398,554 US4933986A (en) 1989-08-25 1989-08-25 Gain/phase compensation for linear amplifier feedback loop
US398,554 1989-08-25

Publications (2)

Publication Number Publication Date
CA2063403A1 true CA2063403A1 (fr) 1991-02-26
CA2063403C CA2063403C (fr) 1994-05-03

Family

ID=23575821

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002063403A Expired - Fee Related CA2063403C (fr) 1989-08-25 1990-08-13 Correction de gain/phase pour boucle de retroaction d'amplificateur lineaire

Country Status (7)

Country Link
US (1) US4933986A (fr)
EP (1) EP0489081A4 (fr)
JP (1) JP2523060B2 (fr)
KR (1) KR950004874B1 (fr)
CA (1) CA2063403C (fr)
FI (1) FI920827A0 (fr)
WO (1) WO1991003108A1 (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023937A (en) * 1989-05-09 1991-06-11 Motorola, Inc. Transmitter with improved linear amplifier control
US4933986A (en) * 1989-08-25 1990-06-12 Motorola, Inc. Gain/phase compensation for linear amplifier feedback loop
US5066922A (en) * 1989-10-16 1991-11-19 Motorola, Inc. Stabilizing circuit for feedback RF amplifier
US5021753A (en) * 1990-08-03 1991-06-04 Motorola, Inc. Splatter controlled amplifier
US5134718A (en) * 1990-10-31 1992-07-28 Motorola, Inc. Fast phase shift adjusting method and device for linear transmitter
US5263196A (en) * 1990-11-19 1993-11-16 Motorola, Inc. Method and apparatus for compensation of imbalance in zero-if downconverters
JP2800500B2 (ja) * 1991-10-01 1998-09-21 松下電器産業株式会社 バースト送信出力制御回路
US5204977A (en) * 1991-04-01 1993-04-20 Motorola, Inc. Apparatus and method of automatic gain control in a receiver
US5175879A (en) * 1991-04-25 1992-12-29 Motorola, Inc. Linear amplifier with feedback path and phase error compensation
JP2776071B2 (ja) * 1991-07-19 1998-07-16 松下電器産業株式会社 送信出力包絡線検波回路および線形送信回路
US5423082A (en) * 1993-06-24 1995-06-06 Motorola, Inc. Method for a transmitter to compensate for varying loading without an isolator
US5584059A (en) * 1993-06-30 1996-12-10 Motorola, Inc. DC offset reduction in a zero-if transmitter
US5424685A (en) * 1994-02-10 1995-06-13 Rockwell International Corporation High-level modulator with bipolar modulation reference
JPH0832464A (ja) * 1994-07-15 1996-02-02 Uniden Corp 送信機におけるキャリアリーク補正方法
US5564087A (en) * 1994-11-03 1996-10-08 Motorola, Inc. Method and apparatus for a linear transmitter
JP3167608B2 (ja) * 1995-12-18 2001-05-21 日本マランツ株式会社 無線装置
US5661758A (en) * 1996-01-16 1997-08-26 Long; Michael E. Single cycle data encoding method and apparatus
US5675286A (en) * 1996-02-12 1997-10-07 Motorola, Inc. Method and apparatus for an improved linear transmitter
US5675287A (en) * 1996-02-12 1997-10-07 Motorola, Inc. Digital DC correction circuit for a linear transmitter
JP3930586B2 (ja) * 1996-07-26 2007-06-13 アジレント・テクノロジーズ・インク インピーダンス測定装置の帰還ループ安定化方法
WO2000014887A1 (fr) * 1998-09-09 2000-03-16 Ortel Corporation Circuit electronique de correction de distorsion de transmodulation
DE19959403A1 (de) * 1999-12-09 2001-06-13 Rohde & Schwarz Anordnung zum Regeln der Ausgangsleistung eines HF-Senders
DE10056472A1 (de) * 2000-11-15 2002-05-29 Infineon Technologies Ag Polar-Loop-Sendeschaltung
US20080290939A1 (en) * 2007-05-25 2008-11-27 Sige Semiconductor Inc. Method and apparatus for distortion correction of RF amplifiers
JP2010187178A (ja) * 2009-02-12 2010-08-26 Toshiba Corp 無線送信装置および無線送信方法
TWI447401B (zh) * 2011-01-13 2014-08-01 Chroma Ate Inc 電路穩定度補償方法
DK3249821T3 (en) * 2016-05-27 2018-10-29 Damm Cellular Systems As SENDING AND PROCEDURE FOR A MULTIPLE-CARRIER SYSTEM

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3914694A (en) * 1973-09-12 1975-10-21 Sun Oil Co Pennsylvania Frequency modulation circuit
GB2117589B (en) * 1982-03-26 1985-10-16 Philips Electronic Associated Polar loop transmitter
FR2554656B1 (fr) * 1983-11-04 1986-06-27 Lgt Lab Gen Telecomm Emetteur a modulation de frequence applicable a la radiodiffusion fm
US4591800A (en) * 1984-10-01 1986-05-27 Motorola, Inc. Linear power amplifier feedback improvement
DE3529078A1 (de) * 1985-08-14 1987-02-19 Lindenmeier Heinz Sender-verstaerker mit selektiver rausch-rueckkopplung
US4641105A (en) * 1985-10-07 1987-02-03 Burr-Brown Corporation Apparatus and method for noise reduction in a linear amplifier
DE3545006A1 (de) * 1985-12-19 1987-07-02 Philips Patentverwaltung Modulator
US4696017A (en) * 1986-02-03 1987-09-22 E-Systems, Inc. Quadrature signal generator having digitally-controlled phase and amplitude correction
JPS6367925A (ja) * 1986-09-10 1988-03-26 Nec Corp 負帰還増幅器
US4929906A (en) * 1989-01-23 1990-05-29 The Boeing Company Amplifier linearization using down/up conversion
US4933986A (en) * 1989-08-25 1990-06-12 Motorola, Inc. Gain/phase compensation for linear amplifier feedback loop

Also Published As

Publication number Publication date
EP0489081A1 (fr) 1992-06-10
FI920827A0 (fi) 1992-02-25
US4933986A (en) 1990-06-12
WO1991003108A1 (fr) 1991-03-07
CA2063403C (fr) 1994-05-03
JPH04507336A (ja) 1992-12-17
EP0489081A4 (en) 1992-10-14
KR920704436A (ko) 1992-12-19
KR950004874B1 (ko) 1995-05-15
JP2523060B2 (ja) 1996-08-07

Similar Documents

Publication Publication Date Title
CA2063403A1 (fr) Correction de gain/phase pour boucle de retroaction d'amplificateur lineaire
GB2240892B (en) Circuit for reducing distortion produced by an r.f.power amplifier
CA2033301A1 (fr) Dispositif de modulation modifiant le signal d'entree pour corriger les non-linearites d'amplification
CA2161901A1 (fr) Methode de correction des variations de change sans isolateur pour emetteur
TW228624B (fr)
AU1637197A (en) Method of correcting nonlinearities of an amplifier, and radio transmitter employing a method of this type
TW349298B (en) Method of and apparatus for filtering intermodulation products in a radiocommunication system
CA2074124A1 (fr) Emetteur a circuits de correction de non-linearites
SE9503687L (sv) Effektförstärkare som har kapslad amplitudmoduleringsstyrenhet och fasmodulationsstyrenhet
CA2024385A1 (fr) Generateur de predistorsion pour la linearisation des signaux electriques et optiques
MY119218A (en) Device and method for radio transmitters
GB1449723A (en) Feed-forward error-correcting systems
CA2068425A1 (fr) Methode et dispositif de reglage rapide du dephasage pour emetteur lineaire
CA2090466A1 (fr) Amplificateur de puissance
CA2077440A1 (fr) Dispositif et methode de commande automatique de gain pour recepteur
CA2088750A1 (fr) Commande de sortie lineaire pour amplificateur non lineaire
EP0280356A3 (fr) Linéarisateur pour amplificateurs de puissance à micro-ondes
GB2254973A (en) An apparatus and method for varying a signal in a transmitter of a transceiver
NO922751L (no) Fremgangsmaate til kompensasjon av am/pm-forvrengning i ensender ved modulasjon av den lokale oscillatorfase, og tilhoerende kompensasjonskrets
US5783968A (en) RF amplifier method and apparatus
GB1296733A (fr)
JPS6446351A (en) Digital signal receiver
JPS54111070A (en) Phase controlling circuit
JPS5382110A (en) Compensating circuit for non-linearity
DK8483A (da) Kredsloeb til styring af moduleringen af en radiosender

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed