DE59803758D1 - MEASURING METHOD AND MEASURING DEVICE FOR MEASURING THE DISTORTION OF A HIGH FREQUENCY POWER AMPLIFIER AND EQUALIZATION METHOD AND EQUALIZING DEVICE - Google Patents

MEASURING METHOD AND MEASURING DEVICE FOR MEASURING THE DISTORTION OF A HIGH FREQUENCY POWER AMPLIFIER AND EQUALIZATION METHOD AND EQUALIZING DEVICE

Info

Publication number
DE59803758D1
DE59803758D1 DE59803758T DE59803758T DE59803758D1 DE 59803758 D1 DE59803758 D1 DE 59803758D1 DE 59803758 T DE59803758 T DE 59803758T DE 59803758 T DE59803758 T DE 59803758T DE 59803758 D1 DE59803758 D1 DE 59803758D1
Authority
DE
Germany
Prior art keywords
measuring
distortion
high frequency
power amplifier
frequency power
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 - Lifetime
Application number
DE59803758T
Other languages
German (de)
Inventor
Helmut Bauer
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.)
Rohde and Schwarz GmbH and Co KG
Original Assignee
Rohde and Schwarz GmbH and Co KG
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 Rohde and Schwarz GmbH and Co KG filed Critical Rohde and Schwarz GmbH and Co KG
Priority claimed from PCT/EP1998/004717 external-priority patent/WO1999005784A1/en
Application granted granted Critical
Publication of DE59803758D1 publication Critical patent/DE59803758D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3276Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using the nonlinearity inherent to components, e.g. a diode
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3282Acting on the phase and the amplitude of the input signal
DE59803758T 1997-07-28 1998-07-28 MEASURING METHOD AND MEASURING DEVICE FOR MEASURING THE DISTORTION OF A HIGH FREQUENCY POWER AMPLIFIER AND EQUALIZATION METHOD AND EQUALIZING DEVICE Expired - Lifetime DE59803758D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19732465 1997-07-28
DE19813703A DE19813703A1 (en) 1997-07-28 1998-03-27 A measuring method and apparatus for measuring the distortion of a high frequency power amplifier and equalization method and equalizer for automatically equalizing a high frequency power amplifier
PCT/EP1998/004717 WO1999005784A1 (en) 1997-07-28 1998-07-28 Measuring method and device for measuring the distortion of a high frequency power amplifier and correction method and device for the automatic correction of a high frequency power amplifier

Publications (1)

Publication Number Publication Date
DE59803758D1 true DE59803758D1 (en) 2002-05-16

Family

ID=7837151

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19813703A Withdrawn DE19813703A1 (en) 1997-07-28 1998-03-27 A measuring method and apparatus for measuring the distortion of a high frequency power amplifier and equalization method and equalizer for automatically equalizing a high frequency power amplifier
DE59803758T Expired - Lifetime DE59803758D1 (en) 1997-07-28 1998-07-28 MEASURING METHOD AND MEASURING DEVICE FOR MEASURING THE DISTORTION OF A HIGH FREQUENCY POWER AMPLIFIER AND EQUALIZATION METHOD AND EQUALIZING DEVICE

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19813703A Withdrawn DE19813703A1 (en) 1997-07-28 1998-03-27 A measuring method and apparatus for measuring the distortion of a high frequency power amplifier and equalization method and equalizer for automatically equalizing a high frequency power amplifier

Country Status (1)

Country Link
DE (2) DE19813703A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10022853A1 (en) * 2000-03-16 2001-09-20 Rohde & Schwarz Parameter determining method for high frequency power amplifier involves plotting amplitudes of series of modulated signals, and obtaining time breaks through cross correlation of signals
WO2001069778A2 (en) * 2000-03-16 2001-09-20 Rohde & Schwarz Gmbh & Co. Kg Method for determining the parameters of an n-gate
JP2001313532A (en) * 2000-05-01 2001-11-09 Sony Corp Distortion compensation device
WO2002003602A1 (en) * 2000-06-30 2002-01-10 Harris Corporation Digital broadcast transmission with system monitor and display
US6931080B2 (en) * 2001-08-13 2005-08-16 Lucent Technologies Inc. Multiple stage and/or nested predistortion system and method
DE102005037880A1 (en) 2005-05-19 2006-11-23 Rohde & Schwarz Gmbh & Co. Kg Determination of the amplitude and phase of the output signal in a mobile phone to improve signal to noise

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4237555A (en) * 1979-09-14 1980-12-02 International Telephone And Telegraph Corporation Automatic modulation system
GB2073895B (en) * 1980-04-11 1983-11-02 Tektronix Inc Automatic intermodulation distortion analyzer
AU3339397A (en) * 1996-06-19 1998-01-07 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Pre-distortion for a non-linear transmission path in the high frequency range

Also Published As

Publication number Publication date
DE19813703A1 (en) 1999-02-04

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Legal Events

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8364 No opposition during term of opposition