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For coupled line coupler, if the voltage coupling factor is 0.1 and the characteristic impedance of the microstrip line is 50 Ω, even mode characteristic impedance is:

For coupled line coupler, if the voltage coupling factor is 0.1 and the characteristic impedance of the microstrip line is 50 Ω, even mode characteristic impedance is: Correct Answer 55.28 Ω

Even mode characteristic impedance of coupled line coupler is Z0√ (1+C) /√ (1-C).here C is the voltage coupling coefficient. Substituting the given values, even mode characteristic impedance is 55.28 Ω.

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