Hits 

Coax Balun 1:4 and 1:1


Coax Balun 1:4 and 1:1

The system consists of two equal lengths of coaxial cable which are connected in parallel on the one side and in series on the other. If 50 ohm or 75 ohm coaxial cables are used transformation takes place of respectively 25 ohm : 100 ohm and 37.5 ohm : 150 ohm

post 19 Dec 2024


Toroid & balun Links

195



Come e' fatto e come funziona un balun
La piu' semplice delle soluzioni e' rappresentata dal semplice dispositivo a trasformatore

Doublet, Zepp
Twin-lead has been connected to an LDG Electronics 4: 1 Balun. The Balun immediately plug-in to the BNC connector on the back of my K1 transceever via some PL-259 / SO-239 / BNC connector adapters

Here is a 12 m long antenna with a 1:9 balun
I used an old plastic box handy for this test Balun.On the red plug is attached the plug SO239 using rivets

Long Wire Balun
I needed about 60 cm wire 1 mm to be able to have 11 turns around the iron powder core


Psion ham software

PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map

Radioassistance

Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica

SunCalc

SunCalc SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic