coax traps

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coax traps

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Antennas : Dipole

  • Wire antenna with coaxial cable traps  updated - 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: 9250 | 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: 8726 | Votes: 5 | Rating: 6 ]
Antennas : Feed Lines : Coax Stubs
  • 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 ]
Antennas : Homebrewing Techniques Antennas : Theory Antennas : Traps
  • Coaxial Traps for multiband antennas - A new perspective on the analysis and design of this popular antenna element. By Karl-Otto Muller, DG1MFT
    [ Hits: 14629 | 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: 10266 | Votes: 5 | Rating: 8.2 ]
  • 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: 7440 | Votes: 26 | Rating: 6.54 ]
  • Coax Traps from a Modeling Perspective - About Coax Traps, NC4FB examine the operation of coax traps through modeling.
    [ Hits: 672 | Votes: 1 | Rating: 5 ]
  • Tuning HF Coaxial Antenna Traps - The problem with making your own trapped HF antennas is usually getting the coaxial traps tuned to frequency.
    [ Hits: 1958 | Votes: 2 | Rating: 4 ]
  • 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: 1355 | Votes: 2 | Rating: 9 ]
  • Coax Traps - Tips and tricks on homebrewing your own Coax traps by ON7EQ
    [ Hits: 1523 | Votes: 2 | Rating: 2.5 ]
  • Tuning Antenna Traps - The problem with making your own trapped HF antennas is usually getting the coaxial traps tuned to frequency. This article explains a method using a RF signal generator at +10dBm output into the coaxial trap.
    [ Hits: 273 | Votes: 2 | Rating: 6.5 ]
  • 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: 161 | Votes: 0 | Rating: 0 ]

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