LC Balun with Impedance Matching

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Balanced Resistance Rb: Ω
Balanced Reactance Xb: Ω

Unbalanced Resistance Ru: Ω
Unbalanced Reactance Xu: Ω

Frequency: Hz

Number of decimals:

Power matching of any impedance to any impedance. Fill in the fields above and press calculate.

Lattice Balun:


Skeleton first first first first

Extended T Balun, Solution #1:


Skeleton first first first first

Extended T Balun, Solution #2:


Skeleton first second third fourth

Extended Π Balun, Solution #1:


Skeleton first first first first

Extended Π Balun, Solution #2:


Skeleton first first first first

Yu Balun, Slution #1:


Skeleton first first first first

Yu Balun, Solution #2:


Skeleton first first first first

Reversed Yu Balun, Solution #1:


Skeleton first first first first

Reversed Yu Balun, Solution #2:


Skeleton first first first first

Dipper Balun, Solution #1:


Skeleton first first first first

Dipper Balun, Solution #2:


Skeleton first first first first

Calculations are based on the equations from the publication below. If you use this calculator, credit must be given by referencing rftoolbox.dtu.dk and the journal paper:

Rasmus Jepsen, Jan Henrik Ardenkjær-Larsen, and Vitaliy Zhurbenko, “Four-Element LC-Baluns for Power Matching Arbitrary Impedances,” in International Journal of Microwave and Wireless Technologies, 2024.