019 Inverted-F PCB Antenna: How to tune PCB circuits using a NanoVNA

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HB9BLA Wireless

HB9BLA Wireless

2 роки тому

PCB antennas are pretty common because they are small and cheap. Can we use them for our projects? How do they work? And: How can we test and tune them? Let’s look at an antenna for the 868-915MHz ISM bands. As a side-effect, you will learn how to measure impedances directly on a PCB.
Links:
LiteVNA (Currently best "NanoVNA"): s.click.aliexpress.com/e/_ALJ8bh or amzn.to/3IE8cza
IFA explanation video: • Antenna-Theory.com Pre...
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КОМЕНТАРІ: 113
@greg4367
@greg4367 2 роки тому
Hi Andreas, In the future video you mention perhaps you could show how you measured the time delay in the coax pigtail. Thank you for another fun Sunday morning and regards from San Francisco.
@andreavergani7414
@andreavergani7414 2 роки тому
Both of your channels are pure gold. Great job and support
@LarryKapp1
@LarryKapp1 2 роки тому
I always wondered how those pcb antennas worked - thanks for the info .
@johnkelly7264
@johnkelly7264
This channel looks really interesting. Subbed here.
@PortableRadio
@PortableRadio 2 роки тому
Thanks Andreas for another interesting video! 73 Stephan
@PhG1961
@PhG1961 2 роки тому
Waw, very interesting video and excellent explained !
@jmr
@jmr 2 роки тому
Great video. You confirmed some of my thoughts from a discussion I had about a similar device. I wish I had this video to point to back then.
@GOODINET
@GOODINET
Дякую. Це те що мені треба)
@victorchorques4893
@victorchorques4893 2 роки тому
Wow! Right to the point. I have a little experience on this and you summed up 6 months of learning in 10 minutes. Awesome video
@MPYadav-cp6sy
@MPYadav-cp6sy
Great sir
@johnwest7993
@johnwest7993 Рік тому
Excellent information Andres. Thank you. It may have been helpful to mention how to determine the new reference plane. That can of course be learned elsewhere, but this may have been a good place to mention it.
@acestudioscouk-Ace-G0ACE
@acestudioscouk-Ace-G0ACE 2 роки тому
This is a really well explained video, thanks. It revised some things I know and taught me some new facts too. I need to check your work on VNAs as there are so many versions available now and from good and dubious suppliers. I'll check to see if you have covered this topic, if not, one of your clear thinking videos on the subject of VNAs would be good.
@ehvway
@ehvway Рік тому
No (Swiss) distortion in the signal sir! Received the message loud and clear! I love to learn from my (Swiss) teacher! School would have been a lot of fun if I had you as teacher!
@ingmarm8858
@ingmarm8858 2 роки тому
Nice video Andreas. I'm glad you specifically mentioned the need to perform matching in the final installation. Many people fluff about trying to create a nominally perfect antenna and matching network without considering or realising all their work is largely wasted in the real world due to external influences :-)
@str8upkickyaindanuts289
@str8upkickyaindanuts289 2 роки тому
Thanks for the black magic lesson! It's starting to become understood as a technology rather than magical, I'll pick up a liteVNA for S-parameter measurements. I wasn't sure how to take these measurements and was relying on functional testing after trying my best to follow the barely understood rules. Thought I needed a $4k VNA to do these measurements, that's outstanding the liteVNA is so affordable. You help me so much it's ridiculous, thank you Sir!
@SteveWrightNZ
@SteveWrightNZ 2 роки тому
Strongly recommend Petes' Antenna Theory youtube vids - you can learn a huge amount by warping your brain around Petes' descriptions.
@NOW-IS
@NOW-IS 2 роки тому
Thanks for this informative video it is just what I was searching for!
@Vanolli21
@Vanolli21
Hi!
@JonBlackmon
@JonBlackmon 28 днів тому
Very good presentation! 73 de K5VA
@OxOOCOFFEE
@OxOOCOFFEE Рік тому
Great video!!! The only question I have is about E-Delay. Do you have a video about how to calculate/estimate delay value for any given cable? I like to do a few tests with IoT PCB antennas as you did.
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