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If the equivalent series resistance of the capacitor in the buck converter is 0.5 ohm , recompute the output voltage ripple. (b) Recompute the required capacitance to limit the output voltage ripple to 0.5 percent if the ESR of the capacitor is given by rC 50(10)6/C, where C is in farads.
Design a buck converter to produce an output voltage of 18 V across a 10- load resistor. The output voltage ripple must not exceed 0.5 percent. The dc supply is 48 V. Design for continuous inductor current. Specify the duty ratio, the switching frequency, the values of the inductor and capacitor, the peak voltage rating of each device, and the rms current in the inductor and capacitor. Assume ideal components.D=.375, L=97.5uH, C = 100uF, F=40KHz, IL = 1.8A
Which is the best alternative to buying a machine assuming an interest rate of 4% and a time span of 6 years. Compare using Present Values. A: Buy new machines for $25k. They earn $5k per year and their maintenance costs are $125 per year.
Concider an ac circuit source with an rms amplitude Irms connected to a parallel RLC circuit with resistance R, inductance L, and capacitance C. Derive an expression for the time-average power dissipated by the circuit
What is the resolution of an ADC with a word length of 12-bits and an analogue signal input range of 100 V A sensor produces a maximum analogue output of 5V. What word length is required for an ADC if there is to be a resolution of 10mV
A shipment of 100 items undergoes a selective inspection. 5 items are selected at random from the shipment and they are tested. What is the probability that the shipment will be rejected given that is contains 2% defective items
An office building is billed based on the rate structure given in Table 5.3 (Energy charges is $0.0732/KWh and demand charge is $9 / mo-kw. As a money saving strategy, during the 21 days per month that the office is occupied
A signal has a fundamental frequency of 1000 Hz. What is its period? Assume the signal has a peak amplitude of 1 Volt and that the instantaneous power is equal to the square of the voltage, then compute the average power of the fundamental frequen..
find the series element or elements that must be in the enclosed container to satisfy the following conditions. a. average power to circuit = 300W b. circuit has a lagging power factor
What will be the total impedance of a series circuit having a resistor of 100 ohms, an inductor of 200 ohms reactance, and a capacitor of 300 ohms reactance. Also, what will be the dissipated power when voltage source is 10sin1000t.
Design a static CMOS inverter with long channel transistors and a. switching voltage VM of 0.6 VDD. What is the resulting ratio of WP/WN b. switching voltage VM of 0.45 VDD. What is the resulting ratio of WP/WN
An abrupt p-n junction has a doping concentration of 1015, 1016, or 1017 cm-3 on the lightly doped n-side and of 1019 cm-3 on the heavily doped p-side. Obtain series of curves of 1/C2 versus V, where V ranges from -4 to 0V in steps of 0.5V.
Assume initially that no inputs have been seen and create a special initial state with output 0 to start the Moore machine. Draw a state graph for a Moore machine (minimum number of states is 5).
if the equation for a mesh current is done and the current comes out negative, with the assumed clockwise direction. does that mean that the current is actually going in the opposite direction
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