Feed Line

Antenna feed lines and coax cables

Subcategories:

  • Choke (29)
  • Coax Stubs (7)
  • Open Wire (12)
    • Trending Links
    • A T-Match ATU
      An homebrew antenna tuner project
    • Do You Need an Antenna Tuner
      Maybe yes, maybe no. It all depends on the type of antenna and feed line you're using. QST Article in pdf format
    • Idiot's guide to coaxial cable
      A very beginner's guide to coax cables. Characteristics, detailed comparison of typical coaxial cables, commonly used connectors, and a few words about SWR.
    • Feeding an End-Fed Antenna
      End-Fed antennas are NOT balanced systems; but neither are verticals, ground planes, discones, windoms, zepps, Marconis, half-slopers, et al. Additionally, the low-impedance antenna port of your transmitter/receiver is not balanced.
    • The Ultimate transmatch
      Usage and benefits of transmatch. A pdf document from a QST article made available for novices and beginners by ARRL
    • Antenna Tuning
      Tuning mobile and base antennas, measuring SWR.
    • Using Delta Matching on HF Beams
      Using delta match with HF antennas design
    • AA3RL Transmission Line Calculator
      Excel spreasheet that calculate virtually every transmission line parameter that one may need. Include Length conversions, Reactance and Length of Stubs
    • Build An LF Antenna Analyzer
      A Portable Low Frequency Antenna Analyzer, For those of us who like to play with antennas on the ham bands, one of the handiest tools to have around the shack is an "antenna analyzer". These gadgets combine a signal generator and standing-wave ratio (SWR) sensor in a small battery-powered unit.
    • Coax cable loss table
      Coaxial cable loss in db per 100 ft.
    • RF Coaxial Connectors
      RF coax(ial) connectors are a vital link in the radio spectrum. Coax connectors are often used to interface two units such as the antenna to a transmission line, a receiver or a transmitter. The proper choice of a coax connector will facilitate this interface.
    • Actual Antenna SWR
      Easy for calculate formula which could be a wake-up call for you. The SWR value at the input of antenna cable is not a actual SWR of your favorite antenna.
    • LA6PB's split dipole
      A new method of feeding a dipole with toroids.
    • SWR Calculator
      BesserNet Reflectometer is a fun SWR calculator and simulator Java applet
    • Band Filters
      Experience of band filters, for a contest multi operator enviroenment
    • The DK7ZB-Match for Yagis
      Simple, easy to built match developed in 1995 for Yagis with resistitive loads of 12.5, 18 and 28 Ohm.
    • Antenna Transmatch Tips
      Tips on tuning antennas using Antenna Tuning Units also called ATU. This article explains the functions and ills of tuners, along with some guide- lines for building an ATU.

    • 70 cm Power splitter

      • A simple accurate power splitter for the 70cm uplink to Oscar 13
      By: G8EUX Hits: 1804 | Votes: 2 | Rating: 1

    • A T-Match ATU   pop

      • An homebrew antenna tuner project
      Hits: 31565 | Votes: 22 | Rating: 5.91

    • AA3RL Transmission Line Calculator

      • Excel spreasheet that calculate virtually every transmission line parameter that one may need Include Length ...
      Hits: 5360 | Votes: 16 | Rating: 6.88

    • Actual Antenna SWR

      • Easy for calculate formula which could be a wake up call for you The SWR ...
      Hits: 4188 | Votes: 5 | Rating: 4.8

    • Antenna Cable Loss and SWR

      • Calculate Cable Loss from SWR and reverse Text file with only two simply formulas ...
      Hits: 2195 | Votes: 4 | Rating: 4

    • Antenna current meter

      • How to measure antenna feed balanced lines currents
      Hits: 763 | Votes: 3 | Rating: 8.67

    • Antenna feed impedance

      • Article on antenna feed impedance and the importance of matching RF andtennas to feeders including ...
      Hits: 432 | Votes: 1 | Rating: 10

    • Antenna Feeders

      • Different types of feeders, SWR and matching
      Hits: 497 | Votes: 1 | Rating: 2

    • Antenna Transmatch Tips

      • Tips on tuning antennas using Antenna Tuning Units also called ATU This article explains the ...
      Hits: 3317 | Votes: 5 | Rating: 6.4

    • Antenna Tuning

      • Tuning mobile and base antennas, measuring SWR.
      Hits: 6641 | Votes: 3 | Rating: 5

    • ARRL - About Feed Lines

      • The feed line also called the transmission line is the RF power conduit between your ...
      By: ARRL Hits: 89 | Votes: 2 | Rating: 6.5

    • Automatic Band Decoders

      • To build a Band Decoder to drive our remote relays we need to supply the ...
      Hits: 1208 | Votes: 1 | Rating: 2

    • Band Filters

      • Experience of band filters, for a contest multi operator enviroenment
      Hits: 4085 | Votes: 6 | Rating: 7.5

    • Build An LF Antenna Analyzer

      • A Portable Low Frequency Antenna Analyzer For those of us who like to play with ...
      Hits: 4568 | Votes: 2 | Rating: 5

    • Center feed insulator

      • A center antenna insulator with feedline strain relief
      By: KC8AON Hits: 1785 | Votes: 1 | Rating: 9

    • Choosing Feed Lines

      • Choosing the right feed line for your antennas is a critical decision to your station ...
      Hits: 697

    • Coax Cable Loss

      • Table representing loss of Coax Cables in db per 100ft.
      Hits: 2233 | Votes: 4 | Rating: 4.75

    • Common mode currents

      • Common mode currents can flow in all sorts of systems not just antenna feed lines ...
      Hits: 317 | Votes: 1 | Rating: 8

    • Comparator-based RF switch

      • This is a concept paper not a constuction article There are too many variables to ...
      Hits: 789 | Votes: 1 | Rating: 5

    • Detuning Towers

      • The goal of detuning is not to avoid resonance but rather to minimize re radiation ...
      Hits: 819 | Votes: 1 | Rating: 10

    • Do You Need an Antenna Tuner

      • Maybe yes maybe no It all depends on the type of antenna and feed line ...
      Hits: 23010 | Votes: 12 | Rating: 4.58

    • ERP Estimator

      • Calculate online ERP in dB and dBi given PWR Frequency Coax lenght and type and ...
      Hits: 1669 | Votes: 5 | Rating: 3.8

    • Feeder Radiation

      • Connecting centre fed antennas dipoles yagis rhombics loops to coaxial cable unless care is taken ...
      Hits: 1834 | Votes: 4 | Rating: 8

    • Feeder types

      • Article descrive the different types including coax and open-wire feeder and waveguide.
      Hits: 338

    • Feeding an End-Fed Antenna

      • End Fed antennas are NOT balanced systems but neither are verticals ground planes discones windoms ...
      Hits: 21521 | Votes: 22 | Rating: 7.33

    • Feeding the Beast

      • Transferring Radio Frequency Energy from Your Transmitter to Your Antenna by Don Keith N4KC ...
      Hits: 524 | Votes: 1 | Rating: 10

    • Ground Problems

      • Collection of articles about ground systems
      Hits: 1268 | Votes: 2 | Rating: 8.5

    • HF Antenna Switch

      • The purpose of this remote antenna switch was to be able to select between four ...
      Hits: 956

    • Idiot's guide to coaxial cable

      • A very beginner s guide to coax cables Characteristics detailed comparison of typical coaxial cables ...
      By: pcs-electronics Hits: 21928 | Votes: 28 | Rating: 5.68

    • Inductance of Twin Lead

      • Calculate the inductance of twin lead online
      By: technick.net Hits: 345 | Votes: 1 | Rating: 6

    • LA6PB's split dipole

      • A new method of feeding a dipole with toroids.
      Hits: 4129 | Votes: 4 | Rating: 9.25

    • Line Loss Calculator

      • Types of coax cable with rf attenuator calculator line loss calculator form includes an antenna ...
      By: CO8TW Hits: 887 | Votes: 3 | Rating: 6.67

    • Magic T combiners splitters

      • The magic T combiner is a very useful device It can provide equal voltages equal ...
      Hits: 1324 | Votes: 2 | Rating: 8.5

    • Measuring Cable Loss

      • Improving measurement accuracy when low-power analyzers are used.
      Hits: 862 | Votes: 2 | Rating: 7.5

    • RF Coaxial Connectors

      • RF coax ial connectors are a vital link in the radio spectrum Coax connectors are ...
      Hits: 4339

    • Single Coil Z Match

      • Single Coil Z Match, circuit Diagram and homebrewing notes
      Hits: 1323 | Votes: 6 | Rating: 8.33

    • SWR Calculator

      • BesserNet Reflectometer is a fun SWR calculator and simulator Java applet
      Hits: 4096 | Votes: 24 | Rating: 4.6

    • SWR: Maximum allowable VSWR

      • VSWR voltage standing wave ratio represents the degree with which an antenna is matched to ...
      Hits: 1242 | Votes: 3 | Rating: 3.33

    • T-Match Construction

      • The T Match with its balanced feed point is one method of feeding a Balanced ...
      Hits: 770

    • The Coaxial Line

      • Impedance matching, Transmission Lines, Characteristic Impedance, VSWR & Mismatch and Antenna Losses
      Hits: 890

    • The DK7ZB-Match for Yagis

      • Simple easy to built match developed in 1995 for Yagis with resistitive loads of 12 ...
      Hits: 3646 | Votes: 8 | Rating: 6.38

    • The Ladder line

      • Myths and information about ladder line by KV5R
      Hits: 465

    • The quarter wave transformer

      • A transient analysis of an inpedance transforming device, by W9DMK, in pdf format
      Hits: 1014 | Votes: 1 | Rating: 1

    • The Ultimate transmatch

      • Usage and benefits of transmatch A pdf document from a QST article made available for ...
      Hits: 16730 | Votes: 11 | Rating: 5.64

    • Transmission line calculator

      • A transmission line caculator Java applet that can be run on your computer or by ...
      Hits: 725 | Votes: 4 | Rating: 3

    • Transmission Lines

      • Whenever you choose a coax feedline the frequency of operation is a very important consideration ...
      Hits: 1277

    • Transmission Lines

      • About feed lines parallel lines and coaxial lines notes on impedance SWR Baluns velocity factor ...
      Hits: 607 | Votes: 1 | Rating: 8

    • Where Does the Power Go

      • An Energy Analysis at an Impedance Discontinuity in an RF Transmission Line
      By: W5DXP Hits: 750 | Votes: 3 | Rating: 10
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    • Related Categories

  • Cable and Connectors
  • Grounding
  • Baluns makers
  • Tuners
  • Coax Cables and connectors
  • Baluns Home Made
  • Duplexers
  • Antennas
  • Impedance Matching