In the following circuits assume all transistors have the fo

In the following circuits, assume all transistors have the following parameters: K = 0.5 mA/V^2, |V_TH| = 1 V and lambda = 0.02. Given: V_bias = 8 V V_DD = 10 V R = 2 k Ohm Estimate the differential gain v_OUT/v_IN (V/V). Find the common mode input resistance R_icm. Find the common mode input range. Estimate the common mode rejection ratio, CMRR. Express your result in dB.

Solution

GAIN:

Vin= Vs(z/(R+Z)

Vout= V(l(z+R)/R)

Gain = vout/vin

   

CMRR = A (v)dm/A(v)cm

But A(v)cm= Av1+Av2

A(v)dm= (Av1-Av2)/2

    Vout1/Vin1= Av1

Av2=    Vout2/Vin2

From given data ,

K= 0.5 A/v2

Vth= 1

Lamda= 0.02

Vbias= 8v

Vdd=10v

R=2kohmsby using the formula, CMMR,

 In the following circuits, assume all transistors have the following parameters: K = 0.5 mA/V^2, |V_TH| = 1 V and lambda = 0.02. Given: V_bias = 8 V V_DD = 10

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