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Low Noise Amplifier Design for Digital Television Applications

Author(s): Anastasios Tsaraklimanis | Evangelia Karagianni

Journal: Journal of Electromagnetic Analysis and Applications
ISSN 1942-0730

Volume: 03;
Issue: 07;
Start page: 291;
Date: 2011;
Original page

Keywords: Digital Television | Low Noise Amplifiers | Microwave Circuits

The DVB-T (Digital Video Broadcasting—Terrestrial) standard is being deployed in many parts of the world for digital broadcasting services, providing a variety of features extending the capabilities of the older analog ones. In this paper, a two-stage low noise amplifier (LNA) is designed for use with the DVB-T standard. The design is employed based on microstrip. The microwave design meets all the specifications required, achieving input and output return loss below ?10 dB, high gain of 35 dB and high linearity. Low noise figure of 1.3 dB is achieved with the use of pHEMT transistor technology.
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