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antenna_kid

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About antenna_kid

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    Advanced Member
  1. Ideas

    Hi, i tried to send you message but i'm unable to create new because i get message "Your inbox is full. You must delete some messages before you can send any more." I currently have only one old message from you. Replied to your message that was year old.
  2. Ideas

    Hi, sorry that i write here. Can you answer for my message
  3. 5.8CP_patch.cst
  4. Ideas

    looks like in whole designs he don't cares impedance
  5. Ideas

    So do you thin that design is ok ?
  6. at 1280 - wsvr was 1:1.4
  7. i forget - thickness of fr3 sheet diameter of circular fr4 is 45 height if folded fr4 is 21.7
  8. Ideas

    this is folded dipole. isn't it 300 ohm ?
  9. circle is 0.5mm fr4 and folded fr4 is 0.35mm
  10. looked, and ?? I've got that white antenna. And few minutes ago dissembled it It's not QFH as i said
  11. Yup, i know QFH. But for me looks like some king evaluation of such antenna made from thin fr4. Ok i've looked at that antenna. It's not qfh. So what a kind of antenna is that ?
  12. But on this picture there are two different antennas. First one is some kind of QFH antenna and it's for 1.2ghz.
  13. Ideas

    I saw this guy designs. I don't know what to think about his videoblog. First example - Yagi. Why he don't make any impedance matching ? Does he made Yagi which has 50 ohm ?? I don't think so.
  14. https://www.researchgate.net/publication/227960359_A_Novel_Approach_of_Measuring_the_Dielectric_Properties_of_PET_Preforms_for_Stretch_Blow_Moulding So PET, PP looks like better choice