2-2

4. The power dissipated in a resistance is equal to ..in non-sinusoidal input signal.

Q.) A dc chopper in figure has a resistive load of R = 10Ω and input voltage of V = 200V. When chopper is ON, its voltage drop is 2 V and the chopping frequency is 1 kHz. If the duty cycle is 60%, determine – Average output voltage– RMS value of output voltage - Effective input resistance of chopper – Chopper efficiency.

Write about two applications for a series circuit, (Think about the different electronics at home or at work), and some of the advantages and disadvantages?

A signal generator having a source resistance of 50 2 is set to generate a 1 kHz sinewave. Open circuit terminal voltage is 10 V peak-to-peak. Connecting a capacitor. across the terminals reduces the voltage to 8 V peak-to-peak. The value of this capacitor is -HF. (Round off to 2 decimal places).

What is the DC gain of the given circuit above?

explain the efficiency of tuned circuits as frequency delective circuits in paragraph form

A single-phase full-wave converter in the figure below is supplied with a 120-V, 60-Hz source. The load is highly inductive and the load current is continuous and free of ripples. The electromotive force is neglected (E 0) and the resistance has a value of R = 10 Q. The delay angle is equal to 31.8°. The average output current is 9.18A and the nth harmonic component is expressed as below. The harmonic factor (known as THD) would be equal to: R 2. vZ.1. Ir = Vo n. T +Yi, = I, E Select one: O a. 58.3% Ob. 48.3% O C. 78.3% Od. 68.3%

I need the answer as soon as possible

VR2 (t) voltage will be calculated by analyzing the circuit in Figure 2 with a non-linear element using the Small Signal Analysis method. For this purposea) Find the operating point VkQ, IkQ voltage and current values of the nonlinear element.b) Linearize the non-linear element at the operating point.c) Find the voltage VR2 (t) by calculating the effect of the variable source using the linear model.

4: 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.

A high voltage engineer cascades 6 stages of a voltage doubler circuit to analyze effectiveness of doing so. Each capacitor in the circuit is 15 nF, of the input Asupply is 100 kv at Frequency 100 Hz. . so this voltages not enough with one moudle.So How much moudle can be in cascades fashion if the load current is 1 mA.

A sinusoidal signal of frequency 2 KHz is sampled at rate of 5 KHz. What is the digital frequency of the sampled signal (discrete signal)?

Draw the AC circuit for basic differential amplifier design

Given the following details: The inverting adder schematic as seen below Vac is an AC voltage source which generates a sine waveform with amplitude 1mV and frequency 1kHz Vout is a sine waveform with amplitude 1V and has a DC offset of 3.5V Find the values of Vdc, R1, R2 and Rf that would satisfy the description for Vout. Assume ideal scenario (i.e. do theoretical computations instead of practical simulations)

Hononta (Vj Ais M QUESTION (1) pressure signal from a force transducer is given as under. Analyze it in terms of harmonics, amplitude, circular frequency, cyclic frequency, time period and phase. A. P=15 sin(20m + +12 sin(40t-)+10sin(60t +)+8sin(100zt +")+5sin(140nt -"). +3sin(180) Pa %3D

2. b) (i) Derive an expression for the differentiator using op-amp. (ii) Design a circuit to perform differentiation of an input signal that varies in frequency from 20HZ to about 2 KHz. (iii) If a sine wave of 0.5 V peak at 2 KHz is applied to the differentiator of part (ii), draw the output waveform.

Why do think the output voltage ?? resembles the input sinusoid?

Perform transient circuit simulation for an RC (R=1k, C=1uF) circuit shown in Figure 12 to determine the corresponding output voltage (and current) vs a unit step response input signal. R

The term duty cycle refers to the amount of time a signal is complete cycle. A. off compared to the period of one B. on The output voltage of op-amp is positive saturation, when the voltage applied to the input is greater than the input. A. inverting B. noninverting A square wave that is 20V at its high state and OV when it is off will produce an average DC when its duty cycle is 75%. Formula: VOUT = Duty Cycle * Peak voltage voltage of A. 7.5V B. 10V C. 15V

Powered by ±10VIntegrator circuit designed with Op-AmpVin=3sin(2π400t) alternative signal to inputhas been applied. Analysis of output voltage (Vo)Draw the waveform.Calculate the maximum and rms value of out signal.

If a sinusoidal input voltage of 2 volts peak-to-peak plus a DC offset of +1V is applied as the input voltage of your inverting amplifier, make a sketch showing this input voltage waveform and the expected output voltage waveform on the same plot. Sketch of waveforms:

Consider the circuit in Figure A4. (a) Explain its operation with the aid of diagrams. (b) Assume that R₁ = 21 kQ, Vref = 1.2 V, Vs = +12 V and -Vs = -12 V. Determine a value for R₂ to obtain a maximum threshold voltage of Vth = 5.25 V. (c) Sketch the output voltage signal in time for a sinusoidal input signal of peak voltage 3.5 V and frequency 2 kHz. R1 R2 Vout Vref Vin +Vs -Vs Figure A4

Build an AC/DC dual power supply circuit that draws a 60Vp-p sinusoidal voltage, to provide a dc output voltage of +15 V. Full analysis of voltages and currents should be included. What modifications would you recommend to draw more current while maintaining same output voltage?

In the common mode, ..... ..... ..... Select one: a. the output signal are in-phase b. an identical signal appears on both the inputs c. the outputs are connected together d. both inputs are grounded

1. The DC-DC converter has several circuit configurations. a) (Draw a simple connection of IGBT switch, diode and inductor that can discriminate between Buck, Boost and Buck-Boost converter circuits respectively.) b) ('A Boost converter produces an output voltage, Vo that is more than or equal to the input voltage, Vi. Based on this statement develop the equation for the relationship between Vo Viand D. where D represents the duty ratio. You can use any suitable diagram to illustrate your answer.)

EQUATION OF OUTPUT VOLTAGE( NEED ONLY HANDWRITTEN SOLUTION PLEASE OTHERWISE DOWNVOTE).

For the circuit below define the fields described in the rows by matching them to a letter given for an equation or a value in Figure 1. v. () (1+ jwRC) v. () ¯(1 + J»RC) (a) (b) R Zero Infinite (c) (d) V (1+ jeRC) (f) (e) Unity (e) (h) Figure1. Output voltage in terms of input voltage Choose... + The expression for the ratio of input voltage to output voltage Choose... + as frequency tends towards zero Gain as frequency tends Choose... + towards zero Voltage Gain Choose... + Gain as frequency tends towards infinity Choose... + Choose... +

If ADM = 3500 and ACM = 0.35, the CMRR is ..........