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UNUN Matching

UNUN Matching
    You can also use an UNUN UNbalanced to UNbalanced RF transformer like the MFJ-907 unit shown at lef
post 02 Jan 2025



Toroid & balun Links

200



Balun and Transformer Core Selection
I mainly use 73 material for receiving applications in low power applications between .1 and 30 MHz

Putting a Balun and a Tuner Together
Use a balun to connect from the twinlead to an unbalanced tuner

Programs for balun
Baluns are very complicated with poor designs giving very poor results. If you have some knowledge, this program will assist you in designing rf transformers and antenna baluns and unun


Antenna splitter per VHF-UHF per quattro ricevitori

Antenna splitter per VHF-UHF per quattro ricevitori Chi dispone di una sola antenna e vuole collegarvi più di un ricevitore necessità di uno splitter

Kits and Components

Amateur radio kits by Kanga US

50MHz to 28MHz RX Converter

50MHz to 28MHz RX Converter The concept of the rx converter is quite simple and nothing really new. the local oscillator is a standard colpitts crystal oscillator producing the 22mhz lo signal