Accurate RF large-signal model of LDMOSFETs including self-heating effect
SCIE
SCOPUS
- Title
- Accurate RF large-signal model of LDMOSFETs including self-heating effect
- Authors
- Yang, Y; Yi, J; Kim, B
- Date Issued
- 2001-02
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGI
- Abstract
- In this paper, we present a new silicon RF LDMOSFET large-signal model including a self-heating effect. A new empirical channel current model suited for accurately predicting intermodulation distortion is employed. The proposed channel current model can represent transconductance (gm) saturation and rolloff in the continuous manner. It has continuous higher order derivatives for accurate prediction of nonlinear microwave circuit behavior, such as power amplifiers, microwave mixers, oscillators, etc. Using the complete large-signal model, we have designed and implemented a 1.2-GHz power amplifier. The measured and simulated amplifier characteristics, especially the intermodulation and harmonic behaviors, are in good agreement.
- Keywords
- empirical channel current model; large-signal model; LDMOS; self-heating effect
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/19670
- DOI
- 10.1109/22.903103
- ISSN
- 0018-9480
- Article Type
- Article
- Citation
- IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, vol. 49, no. 2, page. 387 - 390, 2001-02
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