RioPifa
Newbie level 5
Hello guys
i have designed a Pifa that works in 900 MHz and i got this shape
![pifa.jpg pifa.jpg](https://www.edaboard.com/data/attachments/27/27011-4fd7fcc260b05ea6e2022c87194082f8.jpg)
View attachment PIFA.rar
i think the problem is in the Feed please if u have any information hot to improve the efficiency of the S Paramater
i need it to decrease to a minimum on 900 MHz
![S para.jpg S para.jpg](https://www.edaboard.com/data/attachments/27/27013-15e0ae168cfc1a0218a233d51f1cd540.jpg)
Can anyone help me if u think i have other problems please![Big grin :D :D](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Best regards
Rio
i have designed a Pifa that works in 900 MHz and i got this shape
![pifa.jpg pifa.jpg](https://www.edaboard.com/data/attachments/27/27011-4fd7fcc260b05ea6e2022c87194082f8.jpg)
View attachment PIFA.rar
i think the problem is in the Feed please if u have any information hot to improve the efficiency of the S Paramater
i need it to decrease to a minimum on 900 MHz
![S para.jpg S para.jpg](https://www.edaboard.com/data/attachments/27/27013-15e0ae168cfc1a0218a233d51f1cd540.jpg)
Can anyone help me if u think i have other problems please
Best regards
Rio