Homework Answers
Correct answer is option a: distorted square wave
Explanation: Frequency inverters are used to contron the speed of AC motors and they generate PWM wave
PWM wave is a pulse train with different width.
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3. The output signal from a frequency inverter will appear on a scope screen as a...
5. a) What are the pros and cons of a sine wave PWM inverter versus a plain square wave inverter?...
5. a) What are the pros and cons of a sine wave PWM inverter versus a plain square wave inverter? b) Sketch a block diagram ofa Class D audio amplifier, and briefly explain how it is related to a PwM sine wave inverter and amplifies an input audio signal. c) Suppose we have a single tone audio signal of frequency, 10 KHz, and the carrier frequency is 100 KHz. Sketch the approximate power spectrum of the output waveform. Does the...
Prelab Preparation: For the RC circuit shown in Figure 1, derive the modeling equation relating the output volta ge...
Prelab Preparation: For the RC circuit shown in Figure 1, derive the modeling equation relating the output volta ge Vout to the input voltage vin. What is the transfer function? What is the time constant of the system? Vout Figure 1: RC Circuit What is the analytical step response solution in terms of vin, Rand C? For assumed values of R 1 K, and C 6.8 uF, perform a simulation using Matlab/Simulink assuming an input square wave signal of 5Vpp,...
(a) Determine the period, amplitude, and frequency of a signal given by, v(t) (120nt). Plot this ...
(a) Determine the period, amplitude, and frequency of a signal given by, v(t) (120nt). Plot this signal both in the time-domain and frequency domain. (b) For the following square wave v(t), determine if it is a periodic signal, and if yes, what 10 V sin 4. [61 are its amplitude, period T and fundamental frequency f? Why do we need to convert this signal into sine/cosine wave for transmission? 2 o-oims (c) () According to Fourier Theorem, the above signal...
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1 KHz as shown in Figure 4 by a pulse train of frequency 4 kHz wit...
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1 KHz as shown in Figure 4 by a pulse train of frequency 4 kHz with a pulse width of 0.025 ms. Draw the sampled waveform Message signal 3V 1 ms tms 3V-- (9 Marks) Figure 4
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1...
can anyone please write an explanation as well when answering? thank you for your assistance R...
can
anyone please write an explanation as well when answering? thank
you for your assistance
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Filtering for an electronic oscillator From Figure 4.5, we see that a sinusoid of frequency ω0 is...
Filtering for an electronic oscillator From Figure 4.5, we see that a sinusoid of frequency ω0 is present in a square wave. Hence, in the oscillator, we must remove (filter out) the frequencies at 3ω0, 5ω0, and so on, to produce a sinusoid of frequency of wo The electronic oscillator can be depicted by the system of Figure 4.7. The input signal to the filter is a square wave, and its output signal is a sinusoid of the same frequency....
You are taking a measurement of a signal from a sensor with high frequency noise. In...
You are taking a measurement of a signal from a sensor with high frequency noise. In order to not amplify that noise through your instrumentation system, you decide to use a RC filter with a cutoff frequency (critical frequency, fc) of 1kHz after the sensor and before the amplification. What kind of RC filter do you need? Design the RC filter. Be sure to use standard resistor and capacitor values and specify the tolerance. Show all work. Construct the circuit...
A voltage signal is created by adding the output from a white noise generator and from...
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Example 1: Switch-mode inverter (one phase-leg, half bridge) A general analysis of the switch-mod...
Example 1: Switch-mode inverter (one phase-leg, half bridge) A general analysis of the switch-mode inverter (shown in the figure below) is to be done. The switching frequency f, which is also the frequency of the triangular signal is 1450 Hz. The DC voltage, Vd, is 600 V. Output voltage is sinusoidal voltage with a frequency equal to 50 Hz. The load is connected between the inverter leg A and the dc voltage midpoint o. A+ A+ A V Find the...
#3 and #4 please Preparation: 1. If we were to sample a periodic signal at a...
#3 and #4 please
Preparation: 1. If we were to sample a periodic signal at a randomly chosen point in its period, the value of the sample would be a random variable. The distribution of this random variable is termed the amplitude distribution of the periodic signal. Derive and plot the amplitude distribution of the sinusoid, triangular, and square wave signals (specify both the density function and the distribution function) 2. calculate and plot the autocorrelation function of a sinusoid...
5. a) What are the pros and cons of a sine wave PWM inverter versus a plain square wave inverter? b) Sketch a block diagram ofa Class D audio amplifier, and briefly explain how it is related to a PwM sine wave inverter and amplifies an input audio signal. c) Suppose we have a single tone audio signal of frequency, 10 KHz, and the carrier frequency is 100 KHz. Sketch the approximate power spectrum of the output waveform. Does the...
Prelab Preparation: For the RC circuit shown in Figure 1, derive the modeling equation relating the output volta ge Vout to the input voltage vin. What is the transfer function? What is the time constant of the system? Vout Figure 1: RC Circuit What is the analytical step response solution in terms of vin, Rand C? For assumed values of R 1 K, and C 6.8 uF, perform a simulation using Matlab/Simulink assuming an input square wave signal of 5Vpp,...
(a) Determine the period, amplitude, and frequency of a signal given by, v(t) (120nt). Plot this signal both in the time-domain and frequency domain. (b) For the following square wave v(t), determine if it is a periodic signal, and if yes, what 10 V sin 4. [61 are its amplitude, period T and fundamental frequency f? Why do we need to convert this signal into sine/cosine wave for transmission? 2 o-oims (c) () According to Fourier Theorem, the above signal...
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1 KHz as shown in Figure 4 by a pulse train of frequency 4 kHz with a pulse width of 0.025 ms. Draw the sampled waveform Message signal 3V 1 ms tms 3V-- (9 Marks) Figure 4
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1...
can
anyone please write an explanation as well when answering? thank
you for your assistance
R Vin nwww Vot) Take a square wave signal from Function Generator for Vin through AO 0 port. Then set Vn and Vas to Al 0 and Al 1 respectively in order to observe the input and output waveform using oscilloscope. Vary the frequency of the square wave input according to the values shown in the table below. Then, observe the amplitude of the output...
Filtering for an electronic oscillator From Figure 4.5, we see that a sinusoid of frequency ω0 is present in a square wave. Hence, in the oscillator, we must remove (filter out) the frequencies at 3ω0, 5ω0, and so on, to produce a sinusoid of frequency of wo The electronic oscillator can be depicted by the system of Figure 4.7. The input signal to the filter is a square wave, and its output signal is a sinusoid of the same frequency....
Example 1: Switch-mode inverter (one phase-leg, half bridge) A general analysis of the switch-mode inverter (shown in the figure below) is to be done. The switching frequency f, which is also the frequency of the triangular signal is 1450 Hz. The DC voltage, Vd, is 600 V. Output voltage is sinusoidal voltage with a frequency equal to 50 Hz. The load is connected between the inverter leg A and the dc voltage midpoint o. A+ A+ A V Find the...
#3 and #4 please
Preparation: 1. If we were to sample a periodic signal at a randomly chosen point in its period, the value of the sample would be a random variable. The distribution of this random variable is termed the amplitude distribution of the periodic signal. Derive and plot the amplitude distribution of the sinusoid, triangular, and square wave signals (specify both the density function and the distribution function) 2. calculate and plot the autocorrelation function of a sinusoid...
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