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Circuits of 1:1 and 4:1 transformer baluns


A balun is a transformer, a one to one balun 1:1 transforms, for , a 50 ohm balanced feed point on an aerial to 50 ohm unbalanced coax
post 11 Jun 2024
Circuits of 1:1 and 4:1 transformer baluns

Toroid & balun Links

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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


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