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Admin

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Everything posted by Admin

  1. I thought it would be appropriate to simulate a different antenna on this frequency...
  2. ,,, of course my friend, but I will try to do a simulation in this sense....!!!! ,,, you want to be conical or without a cone....???
  3. Here is a large range of antennas.... http://qrzcq.me/do5ssb/Antennas/Printed_and_Microstrip_Antennas/?C=N&O=D http://www.qsl.net/va3iul
  4. ,,, after the size of 102mm...!!1
  5. At the request of the Bajonet user, I present some constructive details below...
  6. ,,,copper wire, copper pipe and coaxial cable...
  7. ,,,,one is one, another is another ...!!!!
  8. ,,,good, this is a general scheme...!!! ,,,baluns device (a device that provides coupling the symmetrical antenna and asymmetric feeder) made in a quarter-wavelength glass the base of which is connected with the outer conductor of the hard coaxial cable...
  9. This is the original reflector(view-back)...
  10. ,,,,good, a more constructive, more special ...
  11. Irradiator Bester Offset 1900-2200 GHz 3G Range of operating frequencies 1900 - 2000 MHz 2100 - 2200 MHz Gain 9 dB CWS 1,5 Polarization Linear is selected when installing Impedance 50 Ohm Connector N-female ,,,and the reality of simulation...
  12. ,,,and in a 4x4 panel version it looks like this...
  13. ,,,well, it can be and so ...
  14. Good, it seems that the antenna works very well but I think for reducing the impedance to 50 ohms, it is necessary to modify the diameter of the copper wire
  15. Yes, the adjustment lines are made of copper wire with a diameter of 1.5 mm, I will try to make a project with this antenna for you...!!!
  16. """, something like this ,is hard to do ...???
  17. ,,,it"s okay...!!! ,,,if you make a panel with 4 such antennas, it will be the gain in directivity (15dBi)...!!!
  18. ,,,both the director and the vibrator must be shortened, the height instead of 5mm comes 4.75mm...!!!!
  19. About that could be, with the same reflector ...
  20. ,,,only if the reflector is increased to 80X100mm...
  21. ,,,good, not everything that flies, is eating...
  22. The Polaplexer is a microwave antenna, or antenna feed, which supports two simultaneous inputs or outputs that are independent and isolated from each other by use of orthogonal (at right angles) linear polarization. The isolation can be as much as 30 - 35 dB. Its main use is to permit full duplex operation with a single antenna, in which one port is used to transmit and the other to simultaneously receive ,,,to see this ....http://www.ham-radio.com/sbms/sd/ppxrdsgn.htm