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FT- Open Boundary Quad-ridged s have frequency capabilities ranging from 700 MHz to 18GHz depending on type and style.
FT- antennas are designing and manufacturing in Taiwan with an network analyzer and adjust the testing laboratory to ensure the stability and quality of our products.
Open Boundary Quad-ridged 's open boundary design is similar to two double-ridged waveguide antennas orthogonally to each other.
FT- standard gain s, also referred to as microwave s or simply gain horn antennas, are broadband passive devices shaped like a pyramidal horn design to direct a beam radio waves at a precise frequency. Standard gain horn antennas are also used as calibration devices that measure the gain of other antennas. The FT- standard gain product line includes waveguide sizes WR2300 , WR2100 , WR1800 , WR1500 , WR770 ,WR975 ,WR650 ,WR510 , WR430 , WR340 , WR284 ,WR229 , WR28, WR34, WR42, WR51, WR62, WR75, WR90, WR102, WR112, . The waveguide portion of the standard gain horn is manufactured of aluminum.
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以下文章來自: http://blog.udn.com/1533ff38/167582575FT- Antenna
Open Boundary Quad-ridged horn antenna's open boundary design is similar to two double-ridged waveguide antennas orthogonally to each other.
I am looking for plans for making a 20 meter Isotron antenna. I like to make one of these antennas, it looks interesting. Do you have or know where I can find plans. Thanks.
援用自: http://blog.udn.com/685d8572/170344103