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Problem 4) For the given multistage amplifier circuit, the dc equivalents for the two transistors are the same. [10 points] a) Write equation to find $R_{in}$. [1] b) Write equation to find $R_{out}$. [1] c) Write equation to find $A_{vT1}$. Express $R_i$ clearly [2] e) Write equation to find $A_i$ in terms $A_v$ and other resistances [2] g) Find the maximum input voltage ($V_{smax}$) that the first stage can provide while keeping output in linear range if $r_{?1} = 10.8 k?$, $r_{o1} = 326 k?$, $g_{m1} = 9.28 mS$? [4].

          Problem 4) For the given multistage
amplifier circuit, the dc equivalents for the
two transistors are the same. [10 points]
a) Write equation to find $R_{in}$. [1]
b) Write equation to find $R_{out}$. [1]
c) Write equation to find $A_{vT1}$. Express $R_i$ clearly [2]
e) Write equation to find $A_i$ in terms $A_v$ and other resistances [2]
g) Find the maximum input voltage ($V_{smax}$) that the first stage can provide while keeping output
in linear range if $r_{?1} = 10.8 k?$, $r_{o1} = 326 k?$, $g_{m1} = 9.28 mS$? [4].

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Problem 4) For the given multistage
amplifier circuit, the dc equivalents for the
two transistors are the same. [10 points]
a) Write equation to find Rin. [1]
b) Write equation to find Rout. [1]
c) Write equation to find AvT1. Express Ri clearly [2]
e) Write equation to find Ai in terms Av and other resistances [2]
g) Find the maximum input voltage (Vsmax) that the first stage can provide while keeping output
in linear range if r?1 = 10.8 k?, ro1 = 326 k?, gm1 = 9.28 mS? [4].

Added by John S.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Adi S

07/17/2023

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Looking at the circuit, we can see that Rn is the resistance connected to the base of the first transistor. Show more…

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Texts: Help will give thumbs up. For the given multistage amplifier circuit, the DC equivalents for the two transistors are the same. [10 points] a) Write an equation to find Rn. [1] b) Write an equation to find Rout. [1] c) Write an equation to find At. Express R clearly. [2] d) Write an equation to find A in terms of A and other resistances. [2] g) Find the maximum input voltage vs that the first stage can provide while keeping the output in the linear range if r = 10.8k, ro = 326k, and mi = 9.28mS? [4]

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