directional antennas des

directional antennas des

Antennas : Log Periodic

• Log Periodic Dipole Array Calculator - Description and online calculator for Log Periodic Dipole Arrays LPDA are directional antennas featuring a relatively constant characteristics across a wide frequency range.
  [ Hits: 225 | Votes: 2 | Rating: 6 ]

• Rhombic Antennas - Description and simulation of two types of rhombic antennas, using the software 4Nec2: the simple bi-directional and the terminated directional rhombic antenna
  [ Hits: 840 | Votes: 1 | Rating: 10 ]

• Build your first dipole - The dipole antenna is an easily designed and made antenna usually used on HF, although can be (and sometimes is) made for VHF and UHF antennas, and in varying forms is also used as part of different designs of antennas i.e. as the driven element for directional antennas.
  [ Hits: 14809 | Votes: 14 | Rating: 6.93 ]

• Antenna Basics : Directional Antennas - An article describing basic concepts of antenna radiation, and in particular directional antennas like Yagi antennas or Quad antennas and how they determine the direction or signals.
  [ Hits: 347 | Votes: 1 | Rating: 2 ]

• Slotted Waveguide 802.11b WLAN antennas - 802.11b WLAN Waveguide Antennas Unidirectional & Omnidirectional. High gain, Simple construction by Trevor Marshall
  [ Hits: 6445 | Votes: 18 | Rating: 7.16 ]

• RF HAMDESIGN - An engineering oriented organization specializing in the design and manufacture of high performance parabolic antennas, 3dB high power RF couplers, Antenna power splitters, directional RF couplers and more items for RF transmission from HF through Microwave frequencies.
  [ Hits: 1616 | Votes: 5 | Rating: 9 ]