May 4, 2009 #1 L lychree Junior Member level 1 Joined Dec 22, 2008 Messages 15 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,355 about the feed i want to know what is the value of the gain of a feed，is there any restrict on its value？
about the feed i want to know what is the value of the gain of a feed，is there any restrict on its value？
May 5, 2009 #2 mauloftin Full Member level 6 Joined Oct 29, 2008 Messages 355 Helped 62 Reputation 122 Reaction score 36 Trophy points 1,308 Location CZ Activity points 3,285 Re: about the feed lychree said: i want to know what is the value of the gain of a feed，is there any restrict on its value？ Click to expand... Hi, you mean feed for parabolic reflector ? Read attachment. approximately: If you have high gain of feed, you have small gain of reflector antenna and low spillover loss and vice versa.
Re: about the feed lychree said: i want to know what is the value of the gain of a feed，is there any restrict on its value？ Click to expand... Hi, you mean feed for parabolic reflector ? Read attachment. approximately: If you have high gain of feed, you have small gain of reflector antenna and low spillover loss and vice versa.