Master of Science
Dahlke, Walter Emil
The basic concepts of charge control theory were developed by Beaufoy and Sparkes. Gummel extended this model for bipolar transistors and developed a relation linking junction voltages, collector current and base charge. This model also included high level injection.
Meckwood, Joseph C., "Modelling of impact ionization in the transistor integral charge control model" (1971). Theses and Dissertations. 3899.