write 500 words about electric circuits

1. What is needed for providing an inductor at the output of a SMPS? List out the important requirements of the inductor at the output of a SMPS power supply.

2. Analogue PWM wave form can be created by combining which of the following:

1. A saw- tooth waveform and a square wave form
2. A saw- tooth waveform and a sinusoidal wave form
3. A saw- tooth waveform and a rectangular wave form
4. A sinusoidal wave form and a rectangular wave form
5. A sinusoidal wave form and a square wave form

why is the term nonperiodic energy signal redundent

x(n)=(1/4)^|n|, find x(ω)

Flip-flops:
a) Make a asyncronous MOD 12 flip-flop up counter circuit
b) Make a syncronous MOD 14 flip-flop up counter circuit
c) Each flip-flop has the same propagation delay, which is 10ms. Calculate the maximum clock frequency of the circuit in questions (a) and (b)

Please answer both the questions.

1 a) Design two bits comparators using Verilog description language

Note: Design means RTL code and Testbench covering all possible corner cases)

b)

How many latches will result when the following code is synthesized? Assume B is 4-bits long.

                               always@(state)

                               begin

                                        case(state)

                                      2’b00: B = 5;

                                         2’b01: B = 3;

                                      2’b10: B = 0;

                                        endcase

                               end

explain which method is the best Newton-Rhapson or Fast-Decoupled Method in

1) Total time needed for each method to converged

2) Accuracy of the solutions found

The voltage across a 5 μF capacitor is known to be vc=500te^(−2500t) V for t≥0, where t is in seconds.

a.) Find the current through the capacitor for t>0. Assume the passive sign convention.

b.) Find the power at the terminals of the capacitor when t = 150 μs.

c.) Is the capacitor absorbing or delivering power at t = 150 μs?  

d.) Find the energy stored in the capacitor at t = 150 μs.   

e.) Find the maximum energy stored in the capacitor.

f.) Find the time when the maximum energy stored in the capacitor occurs.

Draw and explain working of BJT monostable multivibrator. Draw the voltage wave form of Base 1,Base 2,collector 1and collector 2.calculate the delay time T forwhich the circuit will remain in quasistable-state after triggering (12 Mark)

What is the purpose of a pull-up resistor? Explain when this is needed and the consequences of its omission.

Write a program in Arduino that, when it takes in a voltage range (0 to 5 volts), gives a corresponding servo motor angle with a range from 0 to 180 degrees.

The set of AND and OR gates is a functionally complete set of gates.

a)true

b)false