Modeling, Analysis, and Optimization of Cascaded Power Amplifiers
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908412248326144 |
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| author | Moryakova, Oksana Eriksson, Thomas Johansson, Håkan |
| author_facet | Moryakova, Oksana Eriksson, Thomas Johansson, Håkan |
| contents | This paper deals with modeling, analysis, and optimization of power amplifiers (PAs) placed in a cascaded structure, particularly the effect of cascaded nonlinearities is studied by showing potential ways to minimize the total nonlinearities. The nonlinear least-squares algorithm is proposed to optimize the PA parameters along with the input power level, and thereby minimize the total nonlinearities in the cascaded structure. The simulation results demonstrate that the performance of the optimized configurations for up to five PAs using the proposed framework can improve the linearity properties of the overall cascade. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_14083 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Modeling, Analysis, and Optimization of Cascaded Power Amplifiers Moryakova, Oksana Eriksson, Thomas Johansson, Håkan Signal Processing Systems and Control This paper deals with modeling, analysis, and optimization of power amplifiers (PAs) placed in a cascaded structure, particularly the effect of cascaded nonlinearities is studied by showing potential ways to minimize the total nonlinearities. The nonlinear least-squares algorithm is proposed to optimize the PA parameters along with the input power level, and thereby minimize the total nonlinearities in the cascaded structure. The simulation results demonstrate that the performance of the optimized configurations for up to five PAs using the proposed framework can improve the linearity properties of the overall cascade. |
| title | Modeling, Analysis, and Optimization of Cascaded Power Amplifiers |
| topic | Signal Processing Systems and Control |
| url | https://arxiv.org/abs/2503.14083 |