A cascade of two voltage amplifiers A 1 & A 2 is shown in the figure the open-loop gain A_{v_{0}}, input resistance R in , and output resistance R 0 for A1 and A2 are as follows: A 1 : A_{v_{0}} = 10, R in = 10 kΩ, R 0 = 1 kΩ A 2 : A_{v_{0}} = 5, R in = 5 kΩ, R 0 = 200 Ω The transfer function V out /V in is:

GATE Electronics and Communications (EC) 2014 Shift 2 Solved Paper

Question : 23 of 65

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A cascade of two voltage amplifiers A₁ & A₂ is shown in the figure the open-loop gain

A_{v_{0}}

, input resistance R_in, and output resistance R₀ for A1 and A2 are as follows:
A₁:

A_{v_{0}} = 10

, R_in = 10 kΩ, R₀ = 1 kΩ
A₂ :

A_{v_{0}} = 5

, R_in = 5 kΩ, R₀ = 200 Ω

The transfer function V_out/V_in is:

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