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Which type of balun achieves impedance transformation and signal to balance using looped conductors?

37. Which type of balun achieves impedance transformation and signal to balance using looped conductors?

1. Sleeve Balun
2. Folded Balun
3. Tapered Balun
4. Infinite Balun

Answer: B) Folded Balun

Explanation:

A Folded Balun achieves impedance transformation and signal balancing by using looped conductors. The folded balun improves impedance matching and common-mode rejection.