For a 2-port network, the value of the h parameter is as h=[600, 0.04; 30, 2×10^-3]. Given that, ZS = 2 kΩ and ZL = 400 Ω. The value of the parameter Zout is ______________(a) 650 Ω(b) 500 Ω(c) 250 Ω(d) 600 ΩThe question was posed to me in an internship interview.My doubt stems from Advanced Problems Involving Parameters topic in portion Two-Port Networks of Network Theory

For a 2-port network, the value of the h parameter is as h=[600, 0.04;

1.	For a 2-port network, the value of the h parameter is as h=[600, 0.04; 30, 2×10^-3]. Given that, ZS = 2 kΩ and ZL = 400 Ω. The value of the parameter Zout is ______________(a) 650 Ω(b) 500 Ω(c) 250 Ω(d) 600 ΩThe question was posed to me in an internship interview.My doubt stems from Advanced Problems Involving Parameters topic in portion Two-Port Networks of Network Theory
Answer» The correct option is (a) 650 Ω The best explanation: Zout = \(\frac{R_s+h_{IE}}{(R_s+h_{ie}) h_{oe}-h_{re} h_{FE}}\) = \(\frac{R_s+h_{11}}{(R_s+h_{11}) h_{22}-h_{21} h_{12}}\) = \(\frac{2000+600}{2600×2×10^{-3}-30×0.04}\) = 650 Ω.

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