A modified Angelov model for InGaP/InGaAs enhancement- and depletion-mode pHEMTs using symbolic defined device technology

Chia Shih Cheng, Yuan Jui Shih, Hsien Chin Chiu*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

1 Scopus citations

Abstract

A modified Angelov model for InGaP/InGaAs enhancement-mode (E-mode) and depletion-mode (D-mode) pHEMTs is presented which achieves a good agreement with the device DC and microwave performance. This model is based on the Angelov model, by modifying the formula to have comprehensive bias-dependent descriptions for nonlinear behaviors of the devices. The measured and model-predicted device DC I-V curves, S-parameters, and power performance have been compared. Good correspondences between measurement and simulation power performance up to the third-order inter-modulation product are demonstrated for E-mode and D-mode pHEMTs simultaneously, which confirm the validity of this model.

Original languageEnglish
Pages (from-to)254-258
Number of pages5
JournalSolid-State Electronics
Volume50
Issue number2
DOIs
StatePublished - 02 2006

Keywords

  • Angelov
  • Depletion-mode
  • Enhancement-mode
  • Mode
  • pHEMT

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