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Dan Bobyn
Engineering Ltd.

 

 

 

 

 

 

 

 

 

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L Band Triplexer Study

The object of the study was to determine if putting three very close RF signals together would force unreasonable circuit design complexity on commercial GPS receiver manufacturers. 

The study consisted of reviewing low loss techniques capable of de-multiplexing the three L band signals being supplied from a single antenna element in an environment where large interference signals were present.  Other technical issues included bandwidth specification limitations, antenna element feed options and group delay distortion on the individual signals. 

The study concluded the frequency choices were reasonable and practical.

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