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9:1 transformer balun


After checking for proper solder joints, pot all components in epoxy
post 26 Mar 2024
9:1 transformer balun

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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Satellite Antenna Rotator Controller and TRACker

Satellite Antenna Rotator Controller and TRACker ARCTRAC is a portable integrated satellite tracking system

Duplexer 2m-70cm

Duplexer 2m-70cm- Usare un'antenna bibanda 2/70 con due radio separate V/UHF, usare due antenne separate V/UHF con una singola radio bibanda