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http://data.uet.vnu.edu.vn:8080/xmlui/handle/123456789/379
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Title: | RESEARCH AND MANUFACTURE OF UHF LOW NOISE AMPLIFIER FOR THE SATTELITE COMMUNICATION |
Authors: | Nguyen Van Hung |
Issue Date: | 2014 |
Abstract: | Along with the strong development of science and technology, communications
satellite development aimed at improving the disadvantages of ground wireless network,
achieving higher capacity, wider bandwidth, giving customers many new services and
convenient with low cost. In satellite communications transceivers very important role,
here is the main parts affecting the quality of the satellite signal.
In the signal receiver system, Low-noise amplifier (LNA) is a special amplifier
module to amplify very weak signals from the antenna. It is usually located very close to
the receiving antenna to minimize loss.
In this thesis, along with understanding the theory of satellite signal receivers, high
frequency techniques, a sample Low-noise amplifier operating at UHF band has been
designed, simulated, fabricated and measured. The circuit is designed and used highfrequency chip 2086 SPF - SPF 3043, the chips has high-gain amplifier and low-noise
figure leads to in consistent with the circuit design. Thesis was designed, simulated and
successfully fabricated low-noise amplifier consists of two amplifier stage. Measurement
results obtained in accordance with the simulation results and obtained Gain can be used
for satellite communication. |
URI: | http://data.uet.vnu.edu.vn:8080/xmlui/handle/123456789/379 |
Appears in Collections: | Khóa luận, Luận văn 2011-2015 (FEPN)
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