feed line

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Search Results for "feed line"

91 links - and 3 categories

Antennas : 10M
  • A double extended Zepp for 10 meters - How to make a Double Extended Zepp Antenna, almost a conventional halfwave dipole fed in the center with 300 or 450 ohm feed line by kh6jrm
    [ Hits: 991 | Votes: 1 | Rating: 7.00 ]
Antennas : 4M Antennas : Antenna Calculators
  • Circular Loop Antenna Calculator Priority listing - This free online circular loop antenna calculator uses a wire grid method of moments formulation to model a single circular loop with a single feed point. The electric current is computed and used to construct the far zone radiation power pattern. The input impedance and directivity are also computed.
    [ Hits: 834 | Votes: 16 | Rating: 4.44 ]
Antennas : Baluns
  • Baluns in antenna systems - Understanding Baluns. This article explores some simple antenna system configurations and the effect of key system components, connections and dimensions on feed line common mode current.
    [ Hits: 941 | Votes: 2 | Rating: 2.50 ]
Antennas : Baluns : 4 to 1 balun
  • 1:4 Current Balun - This project is intended to aid in tuning a balanced antenna or feedline that has a high impedance 100-600 ohms by N5ESE
    [ Hits: 2892 | Votes: 1 | Rating: 10.00 ]
Antennas : Fan Dipole
  • Multiband Dipole - A long article on multiband dipole, with an overview on designing this wire antenna, and planning a robust installation and proper feed line
    [ Hits: 817 | Votes: 3 | Rating: 7.00 ]
Antennas : Feed Lines
  • Feed Line Currents for Neophytes - This paper discusses the sources of feed line currents and the methods used to control them.
    [ Hits: 210 | Votes: 0 | Rating: 0.00 ]
  • Twin Feed experiment - Experimenting a low impedance feedline by G3TXQ
    [ Hits: 228 | Votes: 0 | Rating: 0.00 ]
  • Preventing Feedline Radiation - How to handle feedline radiation issues
    [ Hits: 204 | Votes: 0 | Rating: 0.00 ]
  • Anatomy of an Antenna Feedline - How to setup a proper antenna feed line with a particular attention to RFI by K0GKJ
    [ Hits: 341 | Votes: 0 | Rating: 0.00 ]
  • Common mode currents - Common mode currents can flow in all sorts of systems, not just antenna feed lines. This article explain how Common mode noise can be isolated from the desired signal
    [ Hits: 185 | Votes: 1 | Rating: 8.00 ]
  • Choosing Feed Lines - Choosing the right feed line for your antennas, is a critical decision to your station setup.
    [ Hits: 368 | Votes: 0 | Rating: 0.00 ]
Antennas : Feed Lines : Choke
  • Unwanted RF in the shack - How to make your own CMC Common Mode Current choke and where to place in your antenna feed-line.
    [ Hits: 298 | Votes: 1 | Rating: 10.00 ]
Antennas : Resonant Feedline Dipole Antennas : Theory : Impedance matching
  • Matching with one-twelfth-wavelength feed line - Matching with a half wave or wuarter wave coaxial cable is pretty well known, but an existing 1961 system to do that with two one-twelfth-wavelength transmission lines.
    [ Hits: 362 | Votes: 0 | Rating: 0.00 ]
Antennas : Wire
  • 5 element wire Yagi antenna for 20 m - A 5 element wide spaced yagi for the 20m long path to Europe was installed at ZL6QH, the antenna is fed with a 600 ohm open wire feed line.
    [ Hits: 456 | Votes: 0 | Rating: 0.00 ]
Internet and Radio : Police Scanners
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