http://www.jkiees.org/archive/view_article?pid=jkiees-28-5-366 웹64:1 / 49:1 Unun 80-10m EFHW – 1kW 64131e. For those that enjoy endfed antennas but want to run more power, Balun Designs now offers an excellent alternative. Built with the same craftsmanship as all our other units, this new model will allow you to either replace your current matching unit or construct a new higher power end fed half wave ...
64:1 / 49:1 Unun 80-10m EFHW - 1kW 64131e - The DX Shop …
웹2024년 7월 11일 · To the common-mode, the stub and the parallel section of feedline make a quarter-wave transmission line. Hm, a quarter-wave transmission line at the feedpoint sounds like a sleeve or bazooka balun. These baluns are made from coaxial, not balanced feedlines. And they can be open or short on the feedline end: if they are open, the sleeve radiates. 웹2024년 3월 10일 · Rapport de transformation : 64:1 Bandes d’utilisation : 160m à 10m (1.8 à 30 MHz) Puissance admissible : 100W ... Balun de rapport 4:1 5KW pour boite d'accord. … first animal in the vietnamese zodiac
The Ultimate Switchable Balun 4:1, 9:1, 16:1, 25:1, 36:1, 49:1 & 64:1 …
웹2024년 8월 18일 · The design would be a 64:1 unbalanced-to-unbalanced impedance transformer (“unun”) attached to a linked radiator with wire segments corresponding to a halfwave lengths of 6, 10, 12, 15, and 17 meters. As I … 웹2024년 9월 5일 · OCFD 용 FT240-43 4:1 발룬. by codeart 2024. 9. 5. 설명 편의상 존칭은 생략합니다. 4:1 발룬은 상당히 다양한 종류가 있는데 가장 많이 사용된다고 생각되는 것은 아래 DJ0IP 오엠이 올린 자료에 나와 있다. (DJ0IP 사이트에는 이외에도 훌륭한 자료가 많음) 권선 방식은 완전히 ... 웹2024년 4월 19일 · With 20ft of feedline and a 9:1 balun type antenna I think a 3ft jumper from the radio to the choke then 20ft of coax to the antenna would be fine. That would be preferred over putting the choke at the antenna since a 9:1 will benefit from using the coax as a counterpoise/radiator. wbswetnam said: My feedline will be very short, only 20'. europe warm weather in december