Uda Yagi 9

[Admin 2545]

In the 1926, Dr. Shintaro Uda and Dr. Hidetsugu Yagi of the Tohoku Imperial University invented a directional antenna system consisting of an array of coupled parallel dipoles.

The second dipole in the Yagi-Uda array is the only driven element with applied input/output source feed, all the others interact by mutual coupling since receive and reradiate electromagnetic energy; they act as parasitic elements by induced current. It is assumed that an antenna is a passive reciprocal device, then may used either for transmission or for reception of the electromagnetic energy: this well applies to Yagi-Uda also.

The simplest or minimal Yagi-Uda antenna has at least two parasitic elements behind the Driven Element (DE); the antenna with only one parasitic element as Reflector element (Ref) is generally called Yagi antenna. This happens when the electrical length of the parasitic element is greater than the driven element.

 

 

[efeksk 22]

Hello my friend.
Can we build this antenna with 25 dBi gain

[Admin 2545]

Hi my friend,

Sure we can, just tell me by what frequency...??!!!

[efeksk 22]

with 1.2 ghz

[Admin 2545]

31 minutes ago, efeksk said:

with 1.2 ghz

 ...wait a little...!!!

[Admin 2545]

17 yagi antenna elements for 1.2GHz

 

[Hamza 43]

Hi I need Yagi antenna for 2.4 GHz 16 DBI with dipole details.

[nahom7wos 0]

This is only 9 elements and 14.1 gain!? Amazing.

Can you try with a 16 or 20 element?