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A Distributed Triband Impedance Matching Network Based on Multiresonant Networks

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Abstract

In the RF multiband applications, particularly in multiband power amplifiers, it is necessary to generate well-defined impedances at different frequencies in order to obtain the target output power. In this paper, the design, implementation and evaluation of a concurrent distributed triband impedance matching network for operation at 2.4 GHz (Bluetooth), 3.7 GHz (WiFi) and 5.2 GHz (WiFi) are presented. The measurement results show that the reflection coefficients obtained are less than \(-14\) dB with maximum insertion loss of 1.4 dB.

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Data Availability Statement

Data sharing not applicable to this article. The method presented was evaluated from the simulation and measurement results.

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Acknowledgements

The authors would like to express their thanks to CNPq, INCT/NAMITEC and CAPES for financial support to this research and IFBA/NTS for the printed circuit boards fabrication.

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Authors and Affiliations

  1. Department of Automation and System, Federal Institute of Bahia (IFBA), Salvador, Brazil

    Fabrício G. S. Silva

  2. Department of Electrical Engineering, Federal University of Bahia (UFBA), Salvador, Brazil

    Robson Nunes de Lima

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  1. Fabrício G. S. Silva
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  2. Robson Nunes de Lima
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Correspondence to Fabrício G. S. Silva.

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Silva, F.G.S., de Lima, R.N. A Distributed Triband Impedance Matching Network Based on Multiresonant Networks. Circuits Syst Signal Process 40, 4196–4211 (2021). https://doi.org/10.1007/s00034-021-01684-y

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