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How do we calculate the inverse hybrid parameter g22 of a two – port network?

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How do we calculate the inverse hybrid parameter g22 of a two – port network?

(a) g22 = V2 / I1

(b) g22 = I1 / V2

(c) g22 = V1 / I2

(d) g22 = V2 / I2

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This interesting question is from Measurement of H-Parameters topic in portion Small-Signal Low-Frequency AC models of Transistors of Electronic Devices & Circuits

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Correct choice is (d) g22 = V2 / I2

Explanation: The inverse hybrid parameter g22 for a two – port network is calculated by short circuiting the output terminal. In this case, the current V1 is equal to zero. The parameter g22 is calculated by taking the ratio of output terminal voltage over output terminal current.

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