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Interdigital Filters for Broadband Impedance Matching of Microwave Amplifiers

Mohammed Lahsaini(1*), Lahbib Zenkouar(2)

(1) Electronic and Communication Laboratory, Mohammadia School of Engineers, EMI, Mohammed V University, Morocco
(2) Electronic and Communication Laboratory, Mohammadia School of Engineers, EMI, Mohammed V University, Morocco
(*) Corresponding author


DOI: https://doi.org/10.15866/irecap.v5i1.4905

Abstract


In this paper, we present a broadband impedance matching technique for the design of microwave low noise amplifiers. This technique is based on the use of the interdigital filters and quarter-wave transformers. The type of the transistors used to model this amplifier is the HEMT (AFP02N2-00, of Alpha Industries®). The found results show that this amplifier is unconditionally stable with a satisfactory gain in the order of 20 dB and a good impedance matching across all the band of interest [10-12] GHz. The modeled amplifier in this work can be integrated in radar and satellite reception systems.
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Keywords


Interdigital Filter; Amplifier; Impedance Matching; Quarter-Wave Transformer

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References


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