Journal of Radio Electronics. eISSN 1684-1719. 2025. ¹9

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DOI: https://doi.org/10.30898/1684-1719.2025.9.10

 

 

 

DEVELOPMENT OF GNSS All band low noise amplifier
 for an receiving ANTENNA SYSTEM

 

A.A. Erokhin, E.R. Gafarov, A.M. Aleksandrin,
R.O. Ryazantsev, E.A. Strigova, S.V. Polenga

 

Siberian Federal University
660074, Russia, Krasnoyarsk, st. Kirenskogo, 28

 

The paper was received June 17, 2025.

 

Abstract. The low-noise amplifier is an important part of the antenna system. The article presents the results of the development and experimental study of a low-noise radio circuit of the antenna system for receiving signals of modern GNSS (L1/L2/L5, G1/G2/G3, E1/E5ab/E6, B1/B2/B3), including SBAS, OmniSTAR and CDGPS services. The developed circuit provides a low noise figure (no more than 1.6 dB) and a high gain (40 dB). A comparison with the commercial Taoglas TFM.110A module was carried out, which confirmed the advantages of the developed solution in terms of noise and gain. The study includes: optimization of noise characteristics, development of a structural diagram and experimental verification of the radio path characteristics.

Key words: GNSS, radio path, low-noise amplifier, multi-band antenna system, noise figure.

Financing: This work was supported by the Russian Science Foundation under grant no. 25-19-20106, https://rscf.ru/project/25-19-20106/, grant of Krasnoyarsk Regional Fund of Science

Corresponding author: Alexey A. Erokhin, aerokhin@sfu-kras.ru

 

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For citation:

Erokhin A.A., Gafarov E.R., Aleksandrin A.M., Ryazantsev R.O., Strigova E.A., Polenga S.V. Development of GNSS all band low noise amplifier for an receiving antenna system. //Journal of Radio Electronics. – 2025. – ¹. 9. https://doi.org/10.30898/1684-1719.2025.9.10 (In Russian)