Browse by All Cardiff Authors
					Number of items: 14.
  
    
      | Chen, Peng, Quaglia, Roberto  ORCID: https://orcid.org/0000-0003-3228-301X, Lees, Jonathan  ORCID: https://orcid.org/0000-0002-6217-7552, Merrick, Brian M., Alt, Alexander  ORCID: https://orcid.org/0000-0002-7621-4940 and Tasker, Paul J.  ORCID: https://orcid.org/0000-0002-6760-7830
      2020.
      
      Look-up table method for optimising coupling ratio in broadband sequential power amplifiers.
      IET Microwaves Antennas and Propagation
      14
      
        (13)
      
      , pp. 1626-1634.
      
      10.1049/iet-map.2019.1102 | 
    
      |   | 
  
  
    
      | Chen, Peng, Quaglia, Roberto  ORCID: https://orcid.org/0000-0003-3228-301X, Lees, Jonathan  ORCID: https://orcid.org/0000-0002-6217-7552, Merrick, Brian M., Alt, Alexander  ORCID: https://orcid.org/0000-0002-7621-4940 and Tasker, Paul  ORCID: https://orcid.org/0000-0002-6760-7830
      2020.
      
      Efficiency enhancement of a broadband sequential power amplifier using envelope tracking.
      Presented at: 2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC),
      Cardiff, Wales,
      16-17 July 2020.
      
      2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC).
      
      
      
       
      
      
      IEEE,
      pp. 1-3.
      10.1109/INMMiC46721.2020.9160332 | 
    
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      | Chen, Peng, Alt, Alexander  ORCID: https://orcid.org/0000-0002-7621-4940, Moreno Rubio, Jorge, Alsahali, Sattam, Lees, Jonathan  ORCID: https://orcid.org/0000-0002-6217-7552, Quaglia, Roberto  ORCID: https://orcid.org/0000-0003-3228-301X, Casbon, Michael  ORCID: https://orcid.org/0000-0002-8637-9888 and Tasker, Paul J.  ORCID: https://orcid.org/0000-0002-6760-7830
      2020.
      
      Optimising linearity of envelope tracking power amplifier using baseband linearisation approach.
      Presented at: 2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC),
      Cardiff, Wales,
      16-17 July 2020.
      
      2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC).
      
      
      
       
      
      
      IEEE,
      pp. 1-3.
      10.1109/INMMiC46721.2020.9160347 | 
    
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      | Alt, Alexander  ORCID: https://orcid.org/0000-0002-7621-4940, Villarruel-Parra, Alejandro, Chen, Peng, Alsahali, Sattam, Forsyth, Andrew, Tasker, Paul J.  ORCID: https://orcid.org/0000-0002-6760-7830 and Lees, Jonathan  ORCID: https://orcid.org/0000-0002-6217-7552
      2020.
      
      Characterising the baseband impedance of supply modulators using simple modulated signals.
      Presented at: 2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC),
      Cardiff, Wales,
      16-17 July 2020.
      
      2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC).
      
      
      
       
      
      
      IEEE,
      pp. 1-3.
      10.1109/INMMiC46721.2020.9160186 | 
    
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      | Chen, P., Alsahali, S., Alt, A.  ORCID: https://orcid.org/0000-0002-7621-4940, Wang, G., Casbon, M. A.  ORCID: https://orcid.org/0000-0002-8637-9888, Lees, J.  ORCID: https://orcid.org/0000-0002-6217-7552 and Tasker, P. J.  ORCID: https://orcid.org/0000-0002-6760-7830
      2020.
      
      Flexible bandwidth reduction technique for envelope tracking using low-pass finite impulse response filters.
      Electronics Letters
      56
      
        (12)
      
      , pp. 586-589.
      
      10.1049/el.2020.0194 | 
    
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      | Alsahali, Sattam, Alt, Alexander  ORCID: https://orcid.org/0000-0002-7621-4940, Chen, Peng, Wang, Guofeng, Tasker, Paul and Lees, Jonathan  ORCID: https://orcid.org/0000-0002-6217-7552
      2019.
      
      Supply modulator ripple in envelope tracking systems - effects and countermeasures.
      Presented at: 49th European Microwave Conference (EuMC 2019),
      Paris, France,
      01-03 October 2019.
      
      2019 49th European Microwave Conference (EuMC).
      
      
      
       
      
      
      IEEE,
      pp. 710-713.
      10.23919/EuMC.2019.8910890 | 
    
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      | Alt, Alexander  ORCID: https://orcid.org/0000-0002-7621-4940, Hirshy, Hassan  ORCID: https://orcid.org/0000-0003-0281-3681, Jiang, Sheng, Lee, Kean Boon, Casbon, Michael  ORCID: https://orcid.org/0000-0002-8637-9888, Chen, Peng, Houston, Peter, Tasker, Paul  ORCID: https://orcid.org/0000-0002-6760-7830 and Lees, Jonathan  ORCID: https://orcid.org/0000-0002-6217-7552
      2019.
      
      Analysis of gain variation with changing supply voltages in GaN HEMTs for envelope tracking power amplifiers.
      IEEE Transactions on Microwave Theory and Techniques
      67
      
        (7)
      
      , pp. 2495-2504.
      
      10.1109/TMTT.2019.2916404   | 
    
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      | Alsahali, Sattam, Gecan, Dragan, Alt, Alexander  ORCID: https://orcid.org/0000-0002-7621-4940, Wang, Guofeng, Syed Anera, Syed M. H., Chen, Peng, Woodington, Simon, Sheikh, Aamir, Tasker, Paul  ORCID: https://orcid.org/0000-0002-6760-7830 and Lees, Jonathan  ORCID: https://orcid.org/0000-0002-6217-7552
      2019.
      
      A novel modulated rapid load pull system with digital pre-distortion capabilities.
      Presented at: 2019 93rd ARFTG Microwave Measurement Conference (ARFTG),
      Boston, MA, USA,
      7 June 2019.
      
      
      
      
      
       
      
      
      
      
      10.1109/ARFTG.2019.8739220 | 
    
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      | Alt, Alexander  ORCID: https://orcid.org/0000-0002-7621-4940, Chen, Peng, Alsahali, Sattam, Wang, Guofeng, Quaglia, Roberto  ORCID: https://orcid.org/0000-0003-3228-301X, Tasker, Paul  ORCID: https://orcid.org/0000-0002-6760-7830 and Lees, Jonathan  ORCID: https://orcid.org/0000-0002-6217-7552
      2019.
      
      Impact of the input impedance on the linearity of supply modulated GaN HEMT power amplifiers.
      Presented at: European Microwave Week 2019 (EuMW2019),
      
      29 September - 03 October 2019. | 
    
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      | Alt, Alexander  ORCID: https://orcid.org/0000-0002-7621-4940, Quaglia, Roberto  ORCID: https://orcid.org/0000-0003-3228-301X, Chen, Peng, Alsahali, Sattam, Tasker, Paul  ORCID: https://orcid.org/0000-0002-6760-7830 and Lees, Jonathan  ORCID: https://orcid.org/0000-0002-6217-7552
      2019.
      
      Class B* - A new high efficiency RF DC/DC converter concept using second harmonic generation/injection.
      Presented at: WPTC 2018: IEEE MTT-S Wireless Power Transfer Conference,
      Montreal, Quebec,
      3-7 June 2018.
      
      2018 IEEE Wireless Power Transfer Conference (WPTC).
      
      
      
       
      
      
      IEEE,
      
      10.1109/WPT.2018.8639317 | 
    
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      | Alt, Alexander  ORCID: https://orcid.org/0000-0002-7621-4940, Quaglia, Roberto  ORCID: https://orcid.org/0000-0003-3228-301X, Chen, Peng, Alsahali, Sattam, Tasker, Paul J.  ORCID: https://orcid.org/0000-0002-6760-7830 and Lees, Jonathan  ORCID: https://orcid.org/0000-0002-6217-7552
      2018.
      
      Analysis of highly efficient self-synchronous class-F microwave rectifiers using waveform engineering.
      Presented at: 48th European Microwave Conference (EuMC),
      Madrid, Spain,
      23-27 Sep 2018.
      
      Proceedings of the 48th European Microwave Conference.
      
      
      
       
      
      Piscataway, NJ: 
      IEEE,
      pp. 773-776.
      10.23919/EuMC.2018.8541564 | 
    
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      | Alt, Alexander  ORCID: https://orcid.org/0000-0002-7621-4940, Chen, Peng, Alsahali, Sattam, Quaglia, Roberto  ORCID: https://orcid.org/0000-0003-3228-301X, Tasker, Paul  ORCID: https://orcid.org/0000-0002-6760-7830 and Lees, Jonathan  ORCID: https://orcid.org/0000-0002-6217-7552
      2018.
      
      Comparing FET technologies in terms of their suitability for broadband envelope tracking power amplifiers.
      Presented at: InMMIC,
      Brive La Gaillarde,
      5-6 July 2018.
      
      
      
      
      
       
      
      
      
      -. | 
    
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      | Chen, Peng, Alsahali, Sattam, Alt, Alexander  ORCID: https://orcid.org/0000-0002-7621-4940, Lees, Jonathan  ORCID: https://orcid.org/0000-0002-6217-7552 and Tasker, Paul J.  ORCID: https://orcid.org/0000-0002-6760-7830
      2018.
      
      Behavioral modeling of GaN power amplifiers using long short-term memory networks.
      Presented at: International Workshop on Integrated Nonlinear Microwave and Millimetre-wave Circuits (INMMIC),
      Brive La Gaillarde, France,
      5-6 Jul 2018.
      
      International Workshop on Integrated Nonlinear Microwave and Millimetre-wave Circuits (INMMIC).
      
      
      
       
      
      
      IEEE,
      
      10.1109/INMMIC.2018.8429984 | 
    
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This list was generated on Thu Oct 30 14:59:12 2025 GMT.