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Dr James Bell

Dr James Bell

Lecturer - Teaching and Research

School of Engineering

+44 (0)29 2087 9378
S1.03, Queen's Buildings - South Building, 5 The Parade, Newport Road, Cardiff, CF24 3AA
Available for postgraduate supervision


James Bell is the year-1 tutor for the Electrical and Electronic Engineering and Integrated Engineering degree programs at Cardiff University.  He received the bachelor’s and Ph.D. degrees from Cardiff University in 2009 and 2013 respectively.  He has worked in the Centre for High Frequency Engineering here at Cardiff University, where he has been involved with the development of nonlinear measurement systems, the "Cardiff Model" and high-efficiency power amplifier design.  He is currently a lecturer and year-1 tutor in the School of Engineering at Cardiff University and remains a member of the Centre for High Frequency Engineering.  He continues his work in the areas of behavioural modelling, RF and millimeter-wave measurement systems, and broadband power amplifier design.


Professional memberships

Member of the IEEE










Year-1 Tutor

EN1072 Laboratory (Module Leader)

EN1079 Professional Engineering (Module Leader)

EN1092 Professional Engineering (Module Leader)

EN3818 Analogue and Digital Communications Systems (Module Contributor)

EN4110 Mechatronics (Space Drone Project)

James' research interests include, but are not limited to, behavioural modelling, intelligent measurement systems, and power amplifier design.  He is currently working on robust automated load-pull measurement systems; augmenting the 'Cardiff Behavioural Model' framework for measurement system control and robust CAD models for PA design; and the practical application of ‘Clipping Contours’ for the design of linear or linearisable PAs.  James works closely with international industry and academics, as his research impacts both sectors.


Supervised Areas

  • Active device modelling
  • Machine learning RF and mm-wave measurement and modelling solutions
  • Intelligent load-pull measurement systems
  • Power amplifier theory and design

Current supervision

Yashar Alimohammadi

Research student

Derek Kozel

Research student

Zack Costello

Research student

Past projects

  • Co-Supervisor (50%) for Azam Al-Rawchay - Developing A Multi-Tone Load-Pull System For The Direct Extraction Of Cardiff Behavioural Model Coefficients (2015)
  • Co-supervisor (30%) for Thoalfukar Husseini - Intelligent Load-Pull Measurement Systems (2014)