For the circuit of the following figure. (a) Calculate the input power, output power, and power handled by each output transistor and the circuit efficiency for an input of 15Vrms. (b) Calculate maximum input power, maximum output power and maximum power dissipated by output transistors. V₁ HH C₁ F C₂ R₁ R3 R₂ +Vcc=+25 V 2 ä -VEE = -25 V RL 402 V₁

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Q3 Figure 3 shows two current mirrors based on MOSFET. Derive a formula relating the input current Iin to the output current Iout for the current mirror on the left of Figure 3 stating any assumption. (a) (b) Derive the input resistance Rin and output resistance Rout for the circuit on the left of Figure 3. State any assumption. (c) Derive a formula relating lin and Iout for the circuit on the right of Figure 3 assuming that M1 and M2 are identical, and that the length and width of the channel for the transistor M4 are double respect to those of M3. State anv assumption. VDD M3 M4 out Iout M1 M2 M1 M2 Vss = 0 V Vss = 0 V Figure 3