Home : Antennas : Feed Lines : Page 3
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    • Remote Control Antenna Switch - The Remote Control Antenna Switch consists of two circuit boards. The control unit and the remotely controlled switch
      [ Hits: 982 | Votes: 0 | Rating: 0.00 ]
    • 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.
      [ Hits: 4168 | Votes: 0 | Rating: 0.00 ]
    • RF Transmission Line Loss Calculator - This calculator computes the matched line loss for a transmission line using a model calibrated from data for the transmission line types built in to the calculator. It also gives an estimate of the mismatched loss if the mismatch is specified.
      [ Hits: 2376 | Votes: 18 | Rating: 3.94 ]
    • RF Transmission Line Loss Calculator - This calculator computes the matched line loss for a transmission line using a model calibrated from data for the transmission line types built in to the calculator. It also gives an estimate of the mismatched loss if the mismatch is specified.
      [ Hits: 497 | Votes: 2 | Rating: 1.00 ]
    • Rolling your own balanced feed lines - An article by VE1VQ that illustrate how to home made a balanced feed line
      [ Hits: 1623 | Votes: 1 | Rating: 10.00 ]
    • Setting the SWR of Your Antenna - SWR (standing wave ratio), is a measurement of how efficiently your antenna system will radiate the power available from your radio. In simple terms, your radio would like to radiate all of its power, but can only do so if the other components cooperate
      [ Hits: 1164 | Votes: 0 | Rating: 0.00 ]
    • Single Coil Z Match - Single Coil Z Match, circuit Diagram and homebrewing notes
      [ Hits: 1225 | Votes: 6 | Rating: 8.33 ]
    • SWR Calculator - BesserNet Reflectometer is a fun SWR calculator and simulator Java applet
      [ Hits: 3893 | Votes: 24 | Rating: 4.60 ]
    • SWR, Impedance and Line Loss - This article deals with the practical aspects of SWR, line loss and input impedance.
      [ Hits: 162 | Votes: 2 | Rating: 4.00 ]
    • SWR: Maximum allowable VSWR - VSWR (voltage-standing-wave-ratio) represents the degree with which an antenna is "matched" to the system impedance. Most modern antennas do not require any tuning for optimum performance. VSWR is one of the easiest parameters to measure and VSWR meters are becoming very popular antenna installation tools
      [ Hits: 1133 | Votes: 3 | Rating: 3.33 ]
    • T-Match Construction - The T-Match with its balanced feed point is one method of feeding a Balanced Dipole.
      [ Hits: 629 | Votes: 0 | Rating: 0.00 ]
    • The Clemens Match by W9ERN - Balanced feed with coaxial line by John F. Clemens W9ERN
      [ Hits: 571 | Votes: 2 | Rating: 4.50 ]
    • The Coaxial Line - Impedance matching, Transmission Lines, Characteristic Impedance, VSWR & Mismatch and Antenna Losses
      [ Hits: 781 | Votes: 0 | Rating: 0.00 ]
    • 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.
      [ Hits: 3470 | Votes: 8 | Rating: 6.38 ]
    • The Ladder line - Myths and information about ladder line by KV5R
      [ Hits: 359 | Votes: 0 | Rating: 0.00 ]
    • The quarter wave transformer - A transient analysis of an inpedance transforming device, by W9DMK, in pdf format
      [ Hits: 843 | Votes: 1 | Rating: 1.00 ]
    • The simplest phased array feed system that works - How to calculate "phasing line" lengths that actually work.
      [ Hits: 1962 | Votes: 4 | Rating: 6.75 ]
    • The Ultimate transmatch  pop - Usage and benefits of transmatch. A pdf document from a QST article made available for novices and beginners by ARRL
      [ Hits: 14882 | Votes: 10 | Rating: 6.10 ]
    • Transmission line calculator - A transmission line caculator Java applet that can be run on your computer or by using your web browser. This calclucator can also be run on your PC by following instruction and download link.
      [ Hits: 572 | Votes: 4 | Rating: 3.00 ]
    • Transmission line calculator - A windows impedance calculator software by VK3UM
      [ Hits: 913 | Votes: 3 | Rating: 1.67 ]
    • Transmission Lines - Whenever you choose a coax feedline, the frequency of operation is a very important consideration. Over the operating bandwidth of the coax the VSWR is low, typically 1.2:1 or better. Insertion loss is also an important parameter. It is usually specified in dB/foot and is a linear relationship.
      [ Hits: 1183 | Votes: 0 | Rating: 0.00 ]
    • Transmission Lines - Articles on SWR measurements and feed lines tuning.
      [ Hits: 1014 | Votes: 0 | Rating: 0.00 ]
    • Transmission lines - Transmission lines and measurement of their characteristics
      [ Hits: 424 | Votes: 2 | Rating: 5.50 ]
    • Transmission Lines - About feed lines, parallel lines and coaxial lines, notes on impedance, SWR, Baluns, velocity factor and more by NZART
      [ Hits: 515 | Votes: 1 | Rating: 8.00 ]
    • Transmission lines for dummies - Myths and basic truths on transmission lines
      [ Hits: 1340 | Votes: 1 | Rating: 10.00 ]
    • Transmitting Line Condition vs. SWR Table - One another useful Table for the HAM's practice.
      [ Hits: 1104 | Votes: 5 | Rating: 5.20 ]
    • Tuning Your Antenna - Getting the best performance from your investment
      [ Hits: 1086 | Votes: 1 | Rating: 8.00 ]
    • Twin Feed experiment - Experimenting a low impedance feedline by G3TXQ
      [ Hits: 256 | Votes: 0 | Rating: 0.00 ]
    • Using Delta Matching on HF Beams - Using delta match with HF antennas design
      [ Hits: 5445 | Votes: 4 | Rating: 3.50 ]
    • Verticals. Ground systems and some history - Article gives a good overview of the basics and reflects the accepted wisdom from BC antenna work.
      [ Hits: 1341 | Votes: 1 | Rating: 10.00 ]
    • VSWR Explained - An interesting article on Voltage Standing Wave Ratio vs Current Standing Wave Ratio by EPARA
      [ Hits: 1798 | Votes: 10 | Rating: 4.00 ]
    • Where Does the Power Go - An Energy Analysis at an Impedance Discontinuity in an RF Transmission Line
      [ Hits: 592 | Votes: 3 | Rating: 10.00 ]
    • Why good Antennas need good Coax cable - The importance of an efficient antenna feed line that can minimize the disturbing noise for an optimal signal reception
      [ Hits: 328 | Votes: 1 | Rating: 10.00 ]
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