# Problem 1: Calculate I copy in terms of IREF in each of the following circuits. Problem 2: Calculate I copy in terms of IREF in each of the following circuits. Assume the same π½ for all transistors.

Problem 1: Calculate I copy in terms of IREF in each of the following circuits.

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Problem 2: Calculate I copy in terms of IREF in each of the following circuits. Assume the same π½ for all transistors.

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Problem 3: Consider the following current mirror. If πΌ1 =12 πΌππΈπΉ, determine the value of ππ in terms of π½, ππ, and πΌππΈπΉ only. Assume πππΈπΉand π1 are identical

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Problem 4: For the circuit shown, design the circuit for a power budget of 3 mW

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Problem 5: For the given figure, the transistors parameters are ππ΅πΈ = 0.7 π, π½ = 80, and ππ΄ = β.

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a) Derive an expression for πΌπin terms of πΌππΈπΉ, π½, and π2.

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b) For π2 = 10 πβ¦ and π+ = 10 π, design the circuit such that πΌπ = 0.70 mA. What is the value of πΌππΈπΉ?

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*Problem 6: For the source follower determine the voltage gain and the output impedance. Assuming
ππ β² = 100 Β΅A/V2 , (W/L)1 = (W/L)2 = 2(W/L)REF = 10/0.18, IREF = 0.1 mA, and Ξ»n = 0.1 V-1

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Problem 7: For the common-base stage amplifier determine the voltage gain and the input/output impedance. Assuming ππΆ = 500 β¦, π½ = 80, ππ΄ = β, π΄πΈ1 = 3π΄ππΈπΉ.

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