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An approach to determine small-signal model parameters for InP-based heterojunction bipolar transistors

  • Jianjun Gao*
  • , Xiuping Li
  • , Hong Wang
  • , Georg Boeck
  • *Corresponding author for this work
  • IEEE
  • Southeast University, Nanjing
  • Beijing University of Posts and Telecommunications
  • Nanyang Technological University
  • Technical University of Berlin

Research output: Contribution to journalArticlepeer-review

Abstract

A new method for the extraction of the small-signal model parameters of InP-based heterojunction bipolar transistors (HBT) is proposed. The approach is based on the combination of the analytical and optimization technology. The initial values of the parasitic pad capacitances are extracted by using a set of closed-form expressions derived from cutoff mode S-parameters without any test structure, and the intrinsic elements determined by using the analytical method are described as functions of the parasitic elements. An advanced design system is then used to optimize only the parasitic parameters with very small dispersion of initial values. Good agreement is obtained between simulated and measured results for an InP HBT with 5×5 μm 2 emitter area over a wide range of bias points up to 40 GHz.

Original languageEnglish
Pages (from-to)138-145
Number of pages8
JournalIEEE Transactions on Semiconductor Manufacturing
Volume19
Issue number1
DOIs
StatePublished - Feb 2006
Externally publishedYes

Keywords

  • Heterojunction bipolar transistor (HBT)
  • Modeling
  • Parameter extraction

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