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Sleeve Baluns

Sleeve Baluns
    Sleeve baluns are normally used at VHF and higher. As a general rule, they are not practical at HF
post 31 Dec 2024



Toroid & balun Links

200



1:4 Balun, ON6MU
Balun for folded dipoles

4:1 balun for 160 to 10 meters
Here we calculate the half wave length of the matching section of the 4:1 coax balun

4:1 coax balun design CALCULATOR
Here we calculate the half wave length of the matching section of the 4:1 coax balun

50 ohm single-band baluns
The balun herein described is suitable for 50-ohm monoband antennas which can often represent a valid choice

JI -Test, measure balun, and compare antenna baluns or balums
Many articles and technical sources on baluns or balun design ignore voltage, focusing only on current. Focusing only on current is a serious oversight that can result in defective system design


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