va2am
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Receiver roofing filter 101 course - 2012/02/26 17:05
Hi
Sherwood has published a pdf document how to better understand receiver performance at a basic level with examples between up and down conversions.
http://www.ac0c.com/attachments/
ac0c_Intro_to_Roofing_Filters__cadxa_6_oct_2011.pdf
A hot topic for contesters and dx hunters.
73, Rejean
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