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http://dx.doi.org/10.5762/KAIS.2013.14.2.840

Design and Implementation of Double Down-Converter for Satellite TV  

Lee, Seung-Dae (Department of Electronic Engineering, Namseoul University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.14, no.2, 2013 , pp. 840-845 More about this Journal
Abstract
In this paper, the broadband frequency double down-converter based on LC filter technologies has been designed and implemented, and its performances are introduced. The Designed frequency double down-converter is consisted with a low-noise amplifier, mixer, IF amplifier, LC filter, DC-block capacitor and RF-bypass capacitor. Especially, instead of active devices of a typical converter, the suggested converter designed using passive devices to provide both low-power consumption and low-cost model. As results of the measurement, the implemented frequency double down-converter realizes the broadband performance with the bandwidth of 100MHz (13~113MHz) at the center frequency of 63MHz, and its gain is approximately 40dB.
Keywords
Chebyshev Filter; Down-Converter; IF Mixer; LC Filter;
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