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Electronics and Communication Digital Electronics Difficulty: Medium

In the Hybrid-pi model for the BJT small signal analysis, r π denotes If n-transistor conducts and has large voltage between source and drain, then it is said to be in . . . . . . . . region. The ROC of z-transform of the discrete time sequence $$x\left( n \right) = {\left( {{1 \over 3}} \right)^n}u\left( n \right) - {\left( {{1 \over 2}} \right)^n}u\left( { - n - 1} \right)$$ is The term AB + AC + BC reduces to Jewels are used in instruments for the purpose of