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Quad antenna

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A quad antenna is a type of directional wire radio antenna used on different frequencies . Like a Yagi-Uda antenna ("Yagi"), a quad consists of a driven element and parasitic elements; however in a quad, each of these elements takes the form of a loop of wire, which may be square, round, or some other shape. 

Below is a simplistic construction of such an antenna in the 2,442GHz band

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,,and the simulation...


 

quad51_01.jpg

quad51_02.jpg

quad51_03.jpg

screenshot_65.jpg

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Posted

To adjust the antenna with the 50 ohm coaxial cable, use a shunt as in the figure below

 

80.jpg

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Go To Topic Listing Antennas for 2.4 GHz band