The Dual-Ferrite-Bead 4:1 HF Balun
- The usual conception of a 4:1 balun rests on the source-end impedance: normally 50 ohm. The target load-end impedance under a 4:1 impedance transformation is 200 ohm
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post 06 Sep 2026
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Balun- For some so-called baluns, no throttling action or effect against common-mode currents will be measurable. This means that sheath waves occur and the coaxial cable outer screen acts as an antenna. Domestic interference fields penetrate unhindered over the alleged balun in the receiver
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