Journal of Textile Science & Engineering

ISSN: 2165-8064

Open Access

Solbach K


  • Research Article
    Linearization of Power Amplifier using the Modified Feed Forward Method
    Author(s): Motavalli MR and Solbach KMotavalli MR and Solbach K

    A modified circuit for improving linearization of power amplifier based on the model of the Feed Forward circuit amplifier is proposed. With the help of mathematical model for the single power amplifier, the circuit is simulated and a demonstrator is fabricated and measured complex Taylor series are used for modeling the power amplifier by the approximation of the amplitude transfer function and the level-dependence of the transmission-phase of the power amplifier. This can be understood as a simplified form of volterra series. In our proof of concept experiment, we verified the concept but also found that the adjustment of the circuit is critically dependent on the drive conditions and linearization is achieved only for a narrow range of drive power. The proposed circuit in compared with the conventional Feed Forward amplifier in addition a significant increase in efficiency, to mini.. Read More»
    DOI: 10.4172/2165-8064.1000286

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