Sketch Ix and the transconductance of the transistors Vx as as function of Vx for the circuit in Figl varies from 0 to VDD VDD R₁ Ix M₁

Design an Inverting Operation amplifier that has input voltage 1v and output voltage -7v.

Design the bias-stable circuit in the form of Fig with β = 120 such that ICQ =0.8mA VCEQ =5v and the voltage across RE is approximately 0.7v .

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Problem 7 For the amplifier circuit shown, find the voltage gain A = V₁/V₂. Rs V₂ TB BIZ RE Rc

Solve 7,8,9

For the giv en cascade amplifier below use gm1 = gm2= 0.00334Sand internal resistance of both FET = 100k2, determine the following: 1) Draw the small AC equiv alent circuit for the circuit below 2) Av1 = Vol/Vin 3) Av2 = Vo2/Vo1 4)Av = Av1*Av2 VDD R1 25ka RD1 1ko RD2 1ka R5 SSko C4 Vo2 22µF Q2 2N7000 C2 Vo1 22µF gm = 0.00334 S rd = 100kohm C1 Q1 Vin 5 2N7000 gm = 0.00334 S rd = 100kohm 22µF RL 2ko C3 C5 R2 2ko #22µF R6 2ko RS2 $2ka =22uF RS1 2ko

The transistor is specified to have ß in the range of 50-100. Find the value of base resistance that results in saturation with an overdrive factor of at least 10. +10 V R +5 vo w

3. A hybrid model amplifier is shown below. The parameters are h₁1 = 45ohms, h21 = 80, h22 = 12.5 us and h₁2 = 5 x 104. Select RL so that the current gain i₂/i₁ = 79 and the input resistance of the circuit is less than 10 ohms. h11 www h2111 h22 0₂ RL 01 h1202