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Microwave Analysis for Intrinsic and Extrinsic Characteristics of AlGaN/GaN pHEMT

초록

영어

In this paper, a simple non-linear analytical charge control model for the DC and microwave characteristics of AlGaN/GaN MODFET is presented. The effect of parasitic resistances
Rs and Rd is also incorporated. The model has also been extended to obtain the expressions for transconductance, drain conductance and cut-off frequency of the device. The model predicts a high transconductance of 502.6mA/mm at 1Vof gate bias and a maximum cut-off frequency of 22.5GHz for a 50nm device gate length, which is important in realizing the device for microwave applications. The extrinsic and intrinsic characteristics show close agreement with the published results proving the validity of the model.

목차

Abstract
 1. Introduction
 2. Model Formulation
  2.1. Intrinsic Characteristics
  2.2. Extrinsic Characteristics
 3. Capacitance-Voltage Characteristics
  3.1. Gate-Drain Capacitance
  3.2. Gate-Source Capacitance
 4. Cut-off Frequency
 5. Results and Discussion
 6. Conclusion
 References

저자정보

  • Ramnish Department of Electronics and Communication Engineering, Guru Jambheshwar University of Science and Technology, Hisar, Haryana, India
  • Sandeep K Arya Department of Electronics and Communication Engineering, Guru Jambheshwar University of Science and Technology, Hisar, Haryana, India
  • Anil Ahlawat Department of Computer Science Engineering, Krishna Institute of Engineering and Technology, Ghaziabad, U.P., India

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