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Oscilloscope-Based Load-Pull Measurement System for Digitally Modulated Signals.

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Title: Oscilloscope-Based Load-Pull Measurement System for Digitally Modulated Signals.
Authors: Villagran-Gutierrez, A.1, Loo-Yau, J. R.1, Hernández-Domínguez, E. A.1, Moreno, P.1, Reynoso-Hernández, J. Apolinar2
Source: Microwave Journal. Jan2026, Vol. 69 Issue 1, p60-70. 8p.
Subjects: Oscilloscopes, Power amplifiers, Digital modulation, Electric impedance, Electronic amplifiers, Measurement, Measuring instruments
Abstract: The article focuses on using an oscilloscope to perform load-pull measurements with digitally modulated signals, enabling the characterization of power amplifiers without traditional phase-reference equipment or prior tuner calibration. It explains that this time-domain method extracts key performance metrics such as output power, gain, efficiency, and adjacent channel power ratio directly from captured incident and reflected waveforms.
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 190877840
AccessLevel: 6
PubType: Periodical
PubTypeId: serialPeriodical
PreciseRelevancyScore: 0
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  Data: Oscilloscope-Based Load-Pull Measurement System for Digitally Modulated Signals.
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  Data: <searchLink fieldCode="JN" term="%22Microwave+Journal%22">Microwave Journal</searchLink>. Jan2026, Vol. 69 Issue 1, p60-70. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Oscilloscopes%22">Oscilloscopes</searchLink><br /><searchLink fieldCode="DE" term="%22Power+amplifiers%22">Power amplifiers</searchLink><br /><searchLink fieldCode="DE" term="%22Digital+modulation%22">Digital modulation</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+impedance%22">Electric impedance</searchLink><br /><searchLink fieldCode="DE" term="%22Electronic+amplifiers%22">Electronic amplifiers</searchLink><br /><searchLink fieldCode="DE" term="%22Measurement%22">Measurement</searchLink><br /><searchLink fieldCode="DE" term="%22Measuring+instruments%22">Measuring instruments</searchLink>
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  Data: The article focuses on using an oscilloscope to perform load-pull measurements with digitally modulated signals, enabling the characterization of power amplifiers without traditional phase-reference equipment or prior tuner calibration. It explains that this time-domain method extracts key performance metrics such as output power, gain, efficiency, and adjacent channel power ratio directly from captured incident and reflected waveforms.
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=190877840
RecordInfo BibRecord:
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 60
    Subjects:
      – SubjectFull: Oscilloscopes
        Type: general
      – SubjectFull: Power amplifiers
        Type: general
      – SubjectFull: Digital modulation
        Type: general
      – SubjectFull: Electric impedance
        Type: general
      – SubjectFull: Electronic amplifiers
        Type: general
      – SubjectFull: Measurement
        Type: general
      – SubjectFull: Measuring instruments
        Type: general
    Titles:
      – TitleFull: Oscilloscope-Based Load-Pull Measurement System for Digitally Modulated Signals.
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            NameFull: Villagran-Gutierrez, A.
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            NameFull: Loo-Yau, J. R.
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            NameFull: Hernández-Domínguez, E. A.
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            NameFull: Moreno, P.
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            NameFull: Reynoso-Hernández, J. Apolinar
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            – D: 01
              M: 01
              Text: Jan2026
              Type: published
              Y: 2026
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