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Electronics => RF, Microwave, Ham Radio => Topic started by: cadr on April 28, 2024, 01:45:03 am

Title: Biquad yagi design?
Post by: cadr on April 28, 2024, 01:45:03 am

Does anyone have any references to designing Biquad Yagi antennas?

Title: Re: Biquad yagi design?
Post by: pienari on April 29, 2024, 07:24:16 pm

 I havent tested yet.
https://www.changpuak.ch/electronics/bi_quad_antenna_designer.php (https://www.changpuak.ch/electronics/bi_quad_antenna_designer.php)

I have made few TwinDeltaLoop antennas to uhf and they were superb.

Title: Re: Biquad yagi design?
Post by: ch_scr on April 30, 2024, 10:24:01 am

This guy gives a few hints in his video(s):
https://www.youtube.com/watch?v=dLldWjButSo (https://www.youtube.com/watch?v=dLldWjButSo)

Title: Re: Biquad yagi design?
Post by: cadr on May 01, 2024, 12:03:44 am

Thanks.

Yeah, his videos are the ones I had seen, but hadn’t found anything written on the subject.

Title: Re: Biquad yagi design?
Post by: miniant on May 01, 2024, 07:00:16 am

https://www.qsl.net/yu1aw/ANT_VHF/fid24ghz.pdf (https://www.qsl.net/yu1aw/ANT_VHF/fid24ghz.pdf)
Maybe this article can help you. It is well documented and can be a starting point.

Title: Re: Biquad yagi design?
Post by: cadr on May 01, 2024, 09:36:16 pm

Quote from: miniant on May 01, 2024, 07:00:16 am

https://www.qsl.net/yu1aw/ANT_VHF/fid24ghz.pdf (https://www.qsl.net/yu1aw/ANT_VHF/fid24ghz.pdf)
Maybe this article can help you. It is well documented and can be a starting point.

Thank you!  That is a great start.

Title: Re: Biquad yagi design?
Post by: pienari on May 08, 2024, 06:02:41 pm

Few links.

http://www.ccc-mannheim.de/mediawiki/images/e/ec/Wlan_Anleitung_de.pdf (http://www.ccc-mannheim.de/mediawiki/images/e/ec/Wlan_Anleitung_de.pdf)

http://www.tresselt.de/download/Wlanprojekt.pdf (http://www.tresselt.de/download/Wlanprojekt.pdf)