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Everything posted by Admin

  1. ,,,this it is... 1230mhz.cst
  2. Technical specification for manufacture of powerful antennas and high gain exclusively for FPV needs was consistent with the known Scientific-Production Center. The centre has a serious scientific potential, SOOOOO expensive equipment, modern production base and its patented production technology. The guys have been designing and manufacturing aerials for over 15 years and know about antennas just about anything, have experience of working with domestic manufacturers of UAV, FPV, therefore, subject them in part familiar and in this respect they have certain practices. Just what we needed: 1) Create an antenna that would have a large gain, comparable with the antenna "Yagi" in the popular FPV range 1160-1280Mhz. 2) To the antenna form factor was close to a patch antenna (for ease of placement on a tripod) 3) had an adequate angle of orientation, eliminating the need to use the rotary system for tracking the model at long distances Antenna gain from a 14.7 dB at the extreme frequencies of the range 1160Mhz 1280Mhz. Not difficult to guess that the gain in the middle of this range is significantly higher (the guys understand the task "literally"). This reinforcement is "not theoretical" and measured on real devices, on average, it in two times better than any patch. 2) the Antenna has dimensions of 400х400х25мм (including the case) 3) the Angle of orientation of the antenna about 40 degrees, which is not bad. Specifications : The most effective frequency range: 1160-1280Mhz The gain in the effective frequency range: 14,7 dB VSWR: less than 1.5 Polarization: linear vertical The radiation pattern Vert/Horiz: 40/40 degrees Input impedance: 50 Ohm Connector: N-type "mother" Weight: 2kg As we can see, the antenna is a... rather strange design four groups oval active elements. Between them the special material. The reflector is a metal substrate, the active elements in each group, TWO(!!!) (instead of one in the classic patch).
  3. okay, maybe later, I have a little work now...!!1
  4. ,,,my friend, for which frequency do you want the antenna to work...???
  5. Aksonx2, ,,,I finally managed to do the simulation for you, but it seems that the antenna is not quite successful..!!!
  6. Wifislax 2017 - a boot disk with a set of tools that will help test your wireless networks, identify and resolve different vulnerabilities in them. Contains a large number of drivers for the network cards from different manufacturers integrated into the Linux kernel and provides their support. Wifislax 2017 – a high level of specialized system-a software tool for security analysis of wired and wireless networks. Is a LiveCD preloaded with Slackware. Can be used for analysis and verification of security systems LANs of different types, the study and evaluation of Wi-Fi networks, as well as in forensic purposes. Wifislax 2017 out of the box comes with a huge number of drivers for network cards, both wired and wireless types, is integrated in the kernel Linux that provides native support for the vast majority of currently available network devices from different manufacturers. Wifislax 2017 is based on a code system of SLACKWARE (in earlier versions of the distribution was used a combination of SLAX and PORTEUS) and can be installed on a hard disk for permanent use. Being a "modular" operating system, it supports the expansion of functionality using the XZM-file. A GUI is provided by three related systems – KDE 4 (installed as default), Xfce and Openbox. In the distribution uses multiple cores – standard and PAE, you can switch between. Running the system with the USB stick: For recording, use the program UNetbootin, he checked, everything works fine. http://foro.seguridadwireless.net/live-wifislax/wifislax64-1-1-final-para-descarga-64220/ Modulos extra para wifislax64-1.1 http://foro.seguridadwireless.net/live-wifislax/modulos-extra-para-wifislax64-1-1/
  7. Aksonx2, please excuse me, I have small problems with the simulation program and I'm going to be a little late with it...!!!
  8. ,,,okay, I will try to do a simulation of this antenna...!!! ...the input impedance is 50 Ohm...???
  9. ,,,you forgot the diameter of the patches and the wire...!!!
  10. Hi, did you build this antenna...??? I see that it has several types of antennas...!!!
  11. Magnetoelectric dipole antennas (MEDAs) with broad-band and symmetrical, stable unidirectional radiation pat-terns have been widely investigated and some designs for circular polarization have been reported recently. A MEDA formed by two bowtie patch antennas and two electric dipoles achieved an impedance bandwidth of 41% and a 3-dB AR bandwidth of 33% . A crossed dipole loaded with a magnetoelectric dipole can exhibit an impedance bandwidth of 60% and a 3-dB AR bandwidth of 27% . An antenna composed of two cross-placed magnetoelectric dipoles and a feeding network comprising a wideband 90degrees Schiffman phase shifter achieved a 10-dB return loss bandwidth of 85.7% and a 3-dB AR bandwidth of 61.5% . A MEDA fed by a single Γ-shaped probe attained an impedance bandwidth of 73.3% and a 3-dB AR bandwidth of 47.7% . A dual linearly polarized (LP) MEDA, excited by a power divider and a broadband 90∘ phase shifter, obtained an impedance bandwidth of 90% and a 3-dB AR bandwidth of 82% . A 60 GHz aperture coupled MEDA fed by a transverse slot etched on the broad wall of a section of shorted-end substrate integrated waveguide (SIW) showed an impedance bandwidth of 28.8% and a 3-dB AR bandwidth of 25.9% . However, these MEDA designs mentioned above are all based on single circular polarization.
  12. ,,,hi buddy...!!! ,,,can you give some dimensions to these antennas...??/
  13. 1. oui, c'est nécessaire, 2. Je travaille uniquement avec des impédances de 50 Ohm, mais c'est également possible pour du câble de 75 Ohm avec d'autres dimensions de l'antenne. 3. oui, c'est possible. 4. dès que possible.
  14. ,,, c'est encore possible...
  15. ,,,bonjour et bienvenue sur ce forum...!!! Je travaille sur ce que tu voudrais..!!!
  16. ,,, to put 2 of them side by side ,I do not think it's possible...!!!
  17. ,,, these would be the dimensions...!!!
  18. ,,, it is still possible...
  19. ,,,the best, Bester Antenna...
  20. ,,,if you have this type of antenna, please, if possible, give me its dimensions (I don't think it has 14 dBi gain).....!!!
  21. ,,,which antenna are you referring to...!!!!
  22. ,,,on this forum you can find some information...!!!
  23. ,,,it has a length of only 385 mm...!!!
  24. ,,, okay, let's try...!!! ,,,should it be like that....??? ,,, buddy, you know how to work with CST Studio...???
  25. ,,, something like this... PeBac800.cst