FR2800531B1 - Amplificateur de frequences radioelectriques ayant un modulateur de phase a double rampe - Google Patents

Amplificateur de frequences radioelectriques ayant un modulateur de phase a double rampe

Info

Publication number
FR2800531B1
FR2800531B1 FR0013749A FR0013749A FR2800531B1 FR 2800531 B1 FR2800531 B1 FR 2800531B1 FR 0013749 A FR0013749 A FR 0013749A FR 0013749 A FR0013749 A FR 0013749A FR 2800531 B1 FR2800531 B1 FR 2800531B1
Authority
FR
France
Prior art keywords
radio frequency
frequency amplifier
phase modulator
ramp phase
double ramp
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
FR0013749A
Other languages
English (en)
Other versions
FR2800531A1 (fr
Inventor
Ky Thoai Luu
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.)
Harris Corp
Original Assignee
Harris Corp
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 Harris Corp filed Critical Harris Corp
Publication of FR2800531A1 publication Critical patent/FR2800531A1/fr
Application granted granted Critical
Publication of FR2800531B1 publication Critical patent/FR2800531B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/02—Details
    • H03C1/04—Means in or combined with modulating stage for reducing angle modulation
    • 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
    • H04B2001/0425—Circuits with power amplifiers with linearisation using predistortion

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR0013749A 1999-11-02 2000-10-26 Amplificateur de frequences radioelectriques ayant un modulateur de phase a double rampe Expired - Fee Related FR2800531B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/431,811 US6225864B1 (en) 1999-11-02 1999-11-02 RF amplifier having a dual slope phase modulator

Publications (2)

Publication Number Publication Date
FR2800531A1 FR2800531A1 (fr) 2001-05-04
FR2800531B1 true FR2800531B1 (fr) 2005-03-18

Family

ID=23713525

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0013749A Expired - Fee Related FR2800531B1 (fr) 1999-11-02 2000-10-26 Amplificateur de frequences radioelectriques ayant un modulateur de phase a double rampe

Country Status (4)

Country Link
US (1) US6225864B1 (fr)
JP (1) JP4623816B2 (fr)
CA (1) CA2323982A1 (fr)
FR (1) FR2800531B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6850574B2 (en) * 2001-05-14 2005-02-01 Motorola, Inc. Multiple bandwidth amplifier control systems for mobile stations and methods therefor
CA2447187A1 (fr) * 2003-10-28 2005-04-28 Mladen Marko Kekez Appareil generateur d'impulsion de radiofrequence
DE102004027184B3 (de) * 2004-06-03 2006-01-12 Infineon Technologies Ag Frequenzmodulator und Verfahren zur Frequenzmodulation
US8000268B2 (en) * 2004-06-30 2011-08-16 Motorola Mobility, Inc. Frequency-hopped IFDMA communication system
US10476456B2 (en) * 2016-10-04 2019-11-12 Mediatek Inc. Comparator having a high-speed amplifier and a low-noise amplifier

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS528138B2 (fr) * 1972-07-28 1977-03-07
JPS528220B2 (fr) * 1973-08-17 1977-03-08
GB1584557A (en) * 1977-06-02 1981-02-11 Pye Electronic Prod Ltd Phase control circuit arrangement
US4415863A (en) * 1981-03-24 1983-11-15 Pioneer Electronic Corporation Pulse width modulation amplifier
GB2110893B (en) * 1981-12-04 1985-10-16 Philips Electronic Associated Controlled-phase system
US4981358A (en) * 1988-09-09 1991-01-01 United Technologies Corporation Measuring the relative effective lengths traversed by counterpropagating beams of light
JPH02177605A (ja) * 1988-12-28 1990-07-10 Pioneer Electron Corp パルス幅変調増幅回路
US5014016A (en) * 1989-04-13 1991-05-07 Beltone Electronics Corporation Switching amplifier
FR2679647B1 (fr) * 1991-07-25 1993-11-05 Applications Gles Elect Meca Gyrometre interferometrique a modulateur electro-optique.
US5389829A (en) * 1991-09-27 1995-02-14 Exar Corporation Output limiter for class-D BICMOS hearing aid output amplifier
JPH10313572A (ja) * 1997-05-09 1998-11-24 Toyota Autom Loom Works Ltd スイッチングレギュレータ制御方式

Also Published As

Publication number Publication date
CA2323982A1 (fr) 2001-05-02
FR2800531A1 (fr) 2001-05-04
JP2001177354A (ja) 2001-06-29
US6225864B1 (en) 2001-05-01
JP4623816B2 (ja) 2011-02-02

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080630