winnerbrazerzkidai.blogg.se - Amplificateur antenne tv 3 sorties

It has gain comparable to 2 dipoles, polarization is vertical.

For perfectly omni-directional radiation pattern consider ExterminatorII antenna, it can be installed on top of the tower and the tower will not cause any shadow. For custom directed patterns use 4-6 yagi antennas or more (systems 14-15). Gives best range of all three, but is more sensitive to multipath (just like the dipoles), for example systems 13-14.įor high gain omni coverage use circular or vertical dipoles. At least 4-6 yagi antennas are recommended for best performance. These systems are practical for example when you want signal only to cover 60-180 degrees. The wider you spread them the wider the signal will be. Exact radiation pattern can be adjusted by setting an angle between yagi antennas. Circular polarization ensures better signal in urban environments, especially city centres with high buildings. Slightly less omnidirectional range/gain, better penetration and less sensitive to multipath problems. Maximum omnidirectional range, more sensitive to multipath problems, a bit cheaper than circular (for example systems 1,2,3) Also check at the bottom of description for recommended accesories. We can put together any combination of dipoles and yagis for you, either vertical, circular or horizontal polarisation. If you have any questions please email for additional details. These antenna systems cover majority of scenarios, they are all listed below with their specifications. 238000002955 isolation Methods 0.Thanks to a new ECO-MAX product line we are finally able to offer cost-effective antenna systems.230000005540 biological transmission Effects 0.000 description 5.

238000009434 installation Methods 0.000 abstract description 7.

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Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to FR99/13951 priority Critical Priority to FR9913951A priority patent/FR2800534A1/en Application filed by Phenix filed Critical Phenix Publication of WO2001031917A1 publication Critical patent/WO2001031917A1/en Links Inventor André PRIGNOT Original Assignee Phenix Priority date (The priority date is an assumption and is not a legal conclusion.

Google Patents WO2001031917A1 - Non-reciprocal hf multiplexing device WO2001031917A1 - Non-reciprocal hf multiplexing device