2. The circuit in figure 2 is frequently used to provide an output voltage vo proportional to an input signal ii. Derive expressions for the transresistance Rin=vo/ii and the input resistance Ri=vi/ii for the following cases. a) A is infinite. b) A is finite. R₂ www Vi A -OV Figure 2.

4- Design a boost converter that will have an output of 60 V from a 24-V source. Design for continuous inductor current and an output ripple voltage of less than one percent. The load is a resistance of 50 2. Assume ideal components for this design. VL ooooo ip - ^

Exercise 2: Buck Converter Design: Design a buck converter to produce an output voltage of Vo=18 V across a R=10Q load resistor. The output voltage ripple must not exceed 0.5 percent (AVo/Vo). The de supply is Vin=48 V. Design for continuous inductor current. Specify the duty ratio, the switching frequency, the values of the inductor L and capacitor C, the peak voltage rating of each device, and the rms current in the inductor and capacitor. Assume ideal components.

Q2: Design a boost converter to provide an output of 18 V from a 12-V source. The load is 20 W. The output voltage ripple must be less than 0.5% and inductor current ripple less than 30%. The switching frequency is 25 kHz. Specify the duty ratio, the inductor size, and the capacitor size Assume ideal components.

The data-input and data-select waveforms in Figure 7 are applied to the multiplexer. Determine the output waveform F in relation to the inputs.

please show all work

EX3) Design a boost converter to provide an output voltage of 36V from a 24 V source. The load is 50 W. The voltage ripple factor must be less than 0.5%. Specify the duty cycle ratio, switching frequency, inductor and capacitor size, and power device.

build an inverting summing amplifier with 2 inputs: a 1 V DC signal anda sine wave with an amplitude of 2 V and 1 kHz frequency.V Simulate for 2 msec

Part 1) Consider a step down converter with a resistive load. It is supplied by a DC power source of magnitude Vs = 160 V. The switching period is 0.25 ms and the duty cycle k is first set to 0.5. The load is resistive with R=10 Ohms. The critical value of L and the critical value of C are equal to: a. 0.625mH and 0.392uF b. 0.625mH and 0.196uF c. 0.312mH and 0.196uF d. None of these Part2) Now consider the same given but the load is an inductive load with R=10 Ohms and L=10 mH. The switch is ideal. Calculate The RMS load current Io and the RMS converter current Ir are equal to: Select one: a. 5A and 3.54A b. None of these c. 8A and 5.66A d. 12.5A and 8.84A

Q1. a) Figure Q1 is a single phase 2-level voltage source converter (VSC) with a total DC voltage V-1000V. A PWM scheme, by comparing a reference value with a 1kHz triangular waveform, is used to control the switches S₁ and S2, and output 340v at Vo. With the aid of graphs explain how pulse signals for the switches are generated, sketch the output voltage Vo, determine the duty cycle and the modulation index. Va + 2 it Va d + TS₁ V {1+5₂ = Figure Q1 A single phase VSC