Cookies

We use cookies to ensure that we give you the best experience on our website. By continuing to browse this repository, you give consent for essential cookies to be used. You can read more about our Privacy and Cookie Policy.


Durham e-Theses
You are in:

Modelling of some semiconductor devices with large signal excitation

Visuwan, Sansern (1979) Modelling of some semiconductor devices with large signal excitation. Doctoral thesis, Durham University.

[img]
Preview
PDF
5Mb

Abstract

under large signal conditions, the inherent nonlinearity of semiconductor devices is relatively strong, and numerical methods for the solutions of the system equations seem to be inevitable. In this work, numerical algorithms for time-independent and time-dependent modelling of bipolar devices have been developed and used to study both the internal and terminal characteristics of some n(^+)-p and n(^+)-p-p(^+) diodes over a wide range of operation. The effect of minority carrier lifetime on the characteristics of the devices has been investigated, considering the cases of diodes with the same width, diodes with the same recombination criterion, and diodes with the same lifetime but different recombination criteria respectively. In the frequency domain, we studied the influence of the lifetime in terms of harmonic analysis, by applying the Fast Fourier Transform directly to the solutions. The quasi-static spectra obtained from the exact, and approximated diode characteristics, together with the dynamic spectrum, are shown and considered.

Item Type:Thesis (Doctoral)
Award:Doctor of Philosophy
Thesis Date:1979
Copyright:Copyright of this thesis is held by the author
Deposited On:18 Sep 2013 16:04

Social bookmarking: del.icio.usConnoteaBibSonomyCiteULikeFacebookTwitter