A 12-GHz Low-Cost Earth Terminal for Direct TV Reception from Broadcast Satellites

A low-cost 12-GHz receiver for TV reception from high-power broadcast satellites is described. System designs using 0.6- and 1.2-m parabolic dishes with high-efficiency Cassegrain and prime-focus feed configurations have been studied. The front end consists of an MIC image-enhanced mixer, 1.2-GHz lo...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1977-12, Vol.25 (12), p.1000-1008
Main Author: Douville, R.J.
Format: Article
Language:English
Subjects:
Diodes
Feeds
Gunn devices
Low-noise amplifiers
Microwave integrated circuits
Satellite broadcasting
Satellite ground stations
Surface acoustic waves
TV broadcasting
TV receivers
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Description
Summary:A low-cost 12-GHz receiver for TV reception from high-power broadcast satellites is described. System designs using 0.6- and 1.2-m parabolic dishes with high-efficiency Cassegrain and prime-focus feed configurations have been studied. The front end consists of an MIC image-enhanced mixer, 1.2-GHz low-noise amplifier, and a Gunn diode LO. The signal is then fed to an indoor unit which has been designed using both surface acoustic wave (SAW) and lumped element 70-MHz bandpass filters and demodulators. Audio and video receiver outputs are fed directly to the baseband circuitry of a standard receiver.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.1977.1129264