Q3 For the given circuit, I₁ = I2 = 0,5 mA and RD-2,8kQ2. Current gain of Q3 transistor is ß= 80. VBE = 0,7 V, VA = 75 V and V₁ = 25 mV. M₁ and M₂ are identical MOSFETs where Kp = mp MpCox (W/L) = 5 mA/V² and VTP=-1 V. VSG = 1,316V.

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Q3
For the given circuit, I₁ = I2 = 0,5 mA and RD-2,8kQ2. Current gain of Q3 transistor
is ß = 80. VBE = 0,7 V, VA= 75 V and V₁ = 25 mV. M₁ and M₂ are identical MOSFETs where
Kp = μp Cox (W/L) = 5 mA/V² and VTP= -1 V. VSG = 1,316V.
Opump
a) Draw mid-frequency small signal equivalent
circuit indicating all components and nodes. (You
should add output resistance of Q3 to equivalent
circuit.)
b) Derive the expression of voltage gain Vo/ (V1-V₂)
and calculate its value. (You should include the
value of output resistance of Q3 in your
calculations.)
PO-
VIOI
M₁
RD
1₁
TD₂Y
M₂
ww
Rp
GI
o V
Dha
Transcribed Image Text:Q3 For the given circuit, I₁ = I2 = 0,5 mA and RD-2,8kQ2. Current gain of Q3 transistor is ß = 80. VBE = 0,7 V, VA= 75 V and V₁ = 25 mV. M₁ and M₂ are identical MOSFETs where Kp = μp Cox (W/L) = 5 mA/V² and VTP= -1 V. VSG = 1,316V. Opump a) Draw mid-frequency small signal equivalent circuit indicating all components and nodes. (You should add output resistance of Q3 to equivalent circuit.) b) Derive the expression of voltage gain Vo/ (V1-V₂) and calculate its value. (You should include the value of output resistance of Q3 in your calculations.) PO- VIOI M₁ RD 1₁ TD₂Y M₂ ww Rp GI o V Dha
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