antenna

antenna

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• Crossfire Phasing - Phased antennas elements use radiated fields from multiple elements to produce nulls.
  [ Hits: 1189 | Votes: 3 | Rating: 9.33 ]

• Antenna Baluns: What they are - Baluns what do they do, in a pdf file by W7EL
  [ Hits: 12247 | Votes: 4 | Rating: 5 ]
• RF in shack with vertical and longwire antennas - Why a vertical antenna or longwire antenna might require a balun
  [ Hits: 4799 | Votes: 5 | Rating: 7.6 ]
• A better antenna-tuner balun - Which balun to use? The hybrid balun promises advantages over both voltage and current baluns by ZS1AN
  [ Hits: 23096 | Votes: 11 | Rating: 5.83 ]
• WB6ZQZ 3 in 1 Balun - Builing a triple ration balun, that match resonant antennas from 9 ohms to 75 ohms with 1.5:1 or less SWR
  [ Hits: 6490 | Votes: 7 | Rating: 7 ]
• Longwire Antenna Balun Project - Home brew a long wire balun
  [ Hits: 17697 | Votes: 26 | Rating: 6.93 ]

• Choke balun - Essentially, a choke balun is designed to 'divorce' your antenna from the feed line. if your feed line is coaxial cable then you don't want it to be part of your antenna. you want to be able to deliver all your power to the radiator itself, i.e. 'the antenna'. a choke balun does this admirably
  [ Hits: 574 | Votes: 11 | Rating: 7.27 ]

• 13 cm Helix Antenna  ^pop - Here is the design of a 2.4 GHz antenna that is ideal for amateur satellite communications. This antenna is easy to assemble because the design itself tolerates inaccuracies in the construction without really affecting performance.
  [ Hits: 65539 | Votes: 90 | Rating: 6.04 ]

• A Horn Antenna for 2.4 GHz. - This Antenna is not really practical for AO-40 reception, but horn antennas have a number of qualities useful in microwave antenna testing and noise figure measurements.
  [ Hits: 10958 | Votes: 32 | Rating: 3.82 ]

• Loading inductors in mobile antennas - Mobile antennas, loading coil current, and loaded antennas. efficiency and electrical rules. Loading inductors used in mobile HF antennas.
  [ Hits: 4287 | Votes: 5 | Rating: 5 ]

• Shrunken Quad - VHF quad antenna for transmitter hunting.
  [ Hits: 2589 | Votes: 2 | Rating: 10 ]

• Optimizing Inductors - While intended mainly for antenna loading coils, this article also applies to other resonant systems, such as amplifier tank circuits.
  [ Hits: 552 | Votes: 1 | Rating: 10 ]
• Trap antennas, coaxial trap, coax dipole antenna loss resistance - Testing and comparison of traps and trap antennas
  [ Hits: 3165 | Votes: 4 | Rating: 9.5 ]

• 2.4 Ghz double quad antenna  ^pop - An easy to build, compact antenna for wireless lan applications that offers a reasonable amount gain.
  [ Hits: 27910 | Votes: 83 | Rating: 5.17 ]
• Building Helical Antennas - Seattle Wireless  ^pop - Photos and comments on building an helical antenna for wifi
  [ Hits: 30455 | Votes: 6 | Rating: 8.33 ]
• WK8L's ATV Page - Includes links and documentation on wifi antennas, 2.4 GHz Coffee Can Feed Antennas
  [ Hits: 3545 | Votes: 4 | Rating: 5 ]
• DirectionalWaveguide - Seattle Wireless - Waveguide antenna is a type of DirectionalAntenna and is a modified waveguide. A waveguide is simply a tube, either rectangular or cylindrical in cross-section, that will carry a microwave radio signal with very low signal loss
  [ Hits: 4983 | Votes: 3 | Rating: 6 ]
• PringlesCantenna - Seattle Wireless - The PringlesCantenna is an ultracheap Yagi-type directional antenna that can be built for under $10. The original Pringles Yagi was designed by Andrew Clap.
  [ Hits: 9418 | Votes: 5 | Rating: 6.8 ]
• SardineCanAntenna - Seattle Wireless - Sardine Can Antenna. is a BiQuad or Bi circle - wire length each side (8 x 1/4 waves ) 31 mm
  [ Hits: 10236 | Votes: 13 | Rating: 4.61 ]

• Cebik antennas and limited space dipoles - An analysis of the cebik dipole and other small limited space dipoles fed with open wire ladder line.
  [ Hits: 2827 | Votes: 3 | Rating: 9.33 ]

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