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Building a Balun is a relatively simple job. The transformer uses two ferrite tubes, material 43 or 61, or other material with permeability 125 to 850
post 16 Dec 2021
Toroid & balun Links →
Het Balun project
254/5000 Especially if you are a QRP member, the loss or return of a balun is important. You always want to make a connection with the lowest possible transmission power. It is a shame if the balun converts a large part of the supplied power into heat!
Magnetic longwire baluns 1:9
This Magnetic Longwire Balun MLB makes it possible to efficiently use a coaxial lead-in cable with all forms of longwires
Materials for inductors ferrite, iron-powder for HF, ON9CVD
The simple 1: 1 balun is being know in a variety of constructions. A dedicated chapter seems appropriate
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254/5000 Especially if you are a QRP member, the loss or return of a balun is important. You always want to make a connection with the lowest possible transmission power. It is a shame if the balun converts a large part of the supplied power into heat!
This Magnetic Longwire Balun MLB makes it possible to efficiently use a coaxial lead-in cable with all forms of longwires
The simple 1: 1 balun is being know in a variety of constructions. A dedicated chapter seems appropriate