| Summary: | Correctly modelling the behaviour of power ampli ers to include the nonlinear aspects
of their response has been a matter of interest in the elds of electronic and wireless
communications for a considerable amount of time. Throughout the last decades, numerous
techniques that succeed in accurately representing these nonlinearities and that
provide ways to reduce their impact on system performance have been derived. An
essential application of these techniques is the construction of ampli er models that
can be used to obtain a deeper understanding of the phenomena that make these devices
more or less nonlinear. These models have been used in numerous scenarios to
comprehend and devise ways to mitigate the impact of nonlinearity in the response of
many ampli ers. However, ultra-broadband RF electronic drive ampli ers used in optical
communications environments represent a small niche in which extensive derivation
of these ampli er models has not yet been accomplished. In this thesis, a device-speci c
behavioural model for one such electronic drive ampli er will be constructed based on
existing modelling techniques and extensive lab measurements. In addition, changes in
the performance of a communications system when these behavioural models are integrated
within it will also be studied. Ultimately, this thesis will strive to determine
the speci c phenomena that are linked to the nonlinearity present in the response of an
ultra-broadband RF electronic drive ampli er and how variation of these factors a ects
the behaviour of this device.
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