14 pages matching series resistance in this book
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EPITAXIAL GROWTH OF HBT DEVICE LAYERS
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abrupt AlGaAs alloy cycle Ankri annealing Asbeck Bake 80oC band gap base region base transit base-collector beryllium beryllium implant boron capacitance collector current common emitter current Common emitter transistor conduction band Conduction band profile current density cutoff frequency DC current gain decrease depletion layer depletion region device diffusion doping concentration doping level effect Elec electron current electron injection electrostatic potential emitter current gain emitter doping emitter-base interface epilayers Epitaxial Structure Equivalent Circuit etch expression external base resistance fabrication fmax frequency of oscillation function of frequency GaAs gain and common grading interfaces grading layer heterojunction bipolar transistor holes homojunction injected electron ion implantation junction capacitance Kroemer l0 cm microwave performance N-AlGaAs ohmic contacts p-n junction p-type parasitic photolithography Phys processing Range Statistics recombination current series resistance sheet resistance Specific contact resistance spike substrate temperatures thermal thickness Ti/Pt/Au Unilateral gain velocity voltage width