trap on coax

trap on coax

Antennas : 20M : 20 meter Dipole Antennas

• Coaxial-Cable Trap Dipole  ^pop - An Attic Coaxial-Cable trap dipole for 10, 15, 20, 30, 40, and 80 meters
  [ Hits: 150306 | Votes: 208 | Rating: 6.32 ]

• 40-80 Coax Trap Dipole - Full article on how to build a home-made wire dipole antenna for 40 and 80 meters band. Article is fully in italian, as it was published on ARI RadioRivista, but is plenty of self explaining pictures that will guide you on homebrewing this trapped dipole antenna for the lower amateur radio bands.
  [ Hits: 265 | Votes: 3 | Rating: 9.33 ]

• Wire antenna with coaxial cable traps - This multiband antenna 10-80 meters is a home made project by I1BAY. Has been used for SOTA activations with great results. Traps are done with coax cable turns, dimensions are in the attached schema.
  [ Hits: 9251 | Votes: 3 | Rating: 7 ]
• An Improved Multiband Trap Dipole Antenna - This improved multiband trap dipole introduces a new trap design and a change in trap location. The antenna features double-coaxial-cable-wound traps having lower reactance and a higher quality factor (Q) than earlier coax-cable traps by W8NX
  [ Hits: 8727 | Votes: 5 | Rating: 6 ]

• Trap on Coax Cable - A trap on the coaxial cable, also known as choke, helps to eliminate the sneaking of the reflected RF- energy to the shack. The trap can be made from the coaxial cable that feeds the antenna
  [ Hits: 964 | Votes: 2 | Rating: 6.5 ]

• Coax Notch Traps - Attenuating adjacent bands - Targeted Attenuation for Adjacent Bands. Filtering is needed between the two rigs to prevent physical damage to the RX front end and to prevent the kinds of high-signal overload conditions like desense and IMD - as well as containing harmonic energy.
  [ Hits: 134 | Votes: 0 | Rating: 0 ]

• Trap antennas, coaxial trap, coax dipole antenna loss resistance - Testing and comparison of traps and trap antennas
  [ Hits: 3165 | Votes: 4 | Rating: 9.5 ]

• Coaxial Traps for multiband antennas - A new perspective on the analysis and design of this popular antenna element. By Karl-Otto Muller, DG1MFT
  [ Hits: 14642 | Votes: 8 | Rating: 5 ]
• Building Coaxial Traps - This page describes the design and construction materials W8WWV used to build a coaxial cable trap. A coaxial cable trap is a parallel resonant circuit that is usually inserted in an antenna element to enable multiband operation.
  [ Hits: 10272 | Votes: 5 | Rating: 8.2 ]
• CoaxTrap - This program let you design of antenna trap using length of coaxial line wound as solenoid on a coil former.
  [ Hits: 5525 | Votes: 10 | Rating: 3.7 ]
• VE6YP CoaxTrap - The Coax trap program computes design parameters for the construction of coaxial traps for HF usage. Typically these are constructed from PVC tube and RG58/59 coax
  [ Hits: 7446 | Votes: 26 | Rating: 6.54 ]
• Coax Traps from a Modeling Perspective - About Coax Traps, NC4FB examine the operation of coax traps through modeling.
  [ Hits: 677 | Votes: 1 | Rating: 5 ]
• Bootstrap coax traps for antennas - Analysis of an antenna trap where a coil is formed of a length of coax cable, the outer conductor of one coax end is tied to the inner conductor of the other coax end, and the remaining connections form the terminals for the trap.
  [ Hits: 1356 | Votes: 2 | Rating: 9 ]
• Coax Traps - Tips and tricks on homebrewing your own Coax traps by ON7EQ
  [ Hits: 1526 | Votes: 2 | Rating: 2.5 ]
• Optimizing Coax-Cable Traps - A document that will guide you on Coaxial-Cable trap optimization process to gain on global antenna performance and on increasing effective bandwidth.
  [ Hits: 166 | Votes: 0 | Rating: 0 ]

• A HF dual band trap antenna - A dual band coax trap antenna designed to work on 20 and 30 meters or on 20 and 40 meters band by Phil W0XI
  [ Hits: 932 | Votes: 4 | Rating: 6.5 ]
• 20-30m Vertical Antenna - Homebrew project for a vertical antenna with a coaxial-cable trap, that works on 20 and 30 meters band.
  [ Hits: 73 | Votes: 0 | Rating: 0 ]