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Design and fabrication of a Ku-band low noise amplifier using FR4 substrate

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Title Statement Design and fabrication of a Ku-band low noise amplifier using FR4 substrate
Added Entry - Uncontrolled Name Ta Phuong, Linh; Ministry of Science and Technology
Journet, Bernard; LPQM (CNRS UMR-8537) École normale supérieure Paris-Saclay, CentraleSupelec, Université Paris-Saclay, France
Bach Gia, Duong; VNU University of Engineering and Technology
Uncontrolled Index Term FR-4; Ku-band; low noise amplifier; stepped impedance matching;
Summary, etc. <p>The low noise amplifier (LNA) plays an important role in many communication systems, especially at the receiver’s front-ends. In modern RF designs, The LNA is usually fabricated on a microstrip printed circuit board (PCB) due to its simplicity and ability of integrating flexibly with other components in a receiving circuitry unit. At frequencies lower than 6 GHz, the most prevalent substrate material for a microstrip LNA is FR-4 while at higher frequencies of over 10 GHz, it is challenging to design the LNA using this material without causing considerable losses to the RF signal. There are many works related to design microstrip LNA at high frequencies, however, the dielectric substrates used in most of them were high-cost materials for low dielectric loss. This paper introduces an LNA topology using the common, low-cost FR-4 substrate which can be operated in Ku-band for applications such as small satellites’ receivers, with the expected noise figure of lower than 1 dB, gain of around 10 dB and the return loss of around -10 dB. The stepped impedance matching technique has been used for transmission line optimization. The simulated and measured results are presented.</p>
Publication, Distribution, Etc. Universitas Ahmad Dahlan
2020-02-01 00:00:00
Electronic Location and Access application/pdf
Data Source Entry TELKOMNIKA (Telecommunication Computing Electronics and Control); Vol 18, No 1: February 2020
Language Note en
Terms Governing Use and Reproduction Note Copyright (c) 2020 Universitas Ahmad Dahlan