Looking for good answers. For an amplitude modulated double sideband full carrier (DSBFC)modulator with a carrier frequency of 105kHz and a maximummodulating signal of 5kHz, determine the frequency limits for theupper and lower sidebands, the bandwidth, the upper and lower sidefrequencies produced when the modulating signal is a singlefrequency tone at 2kHz, and sketch of the output frequencyspectrum

First we will find out range for upper side band and lower side band then we will find out upper…

Answered: For an amplitude modulated double…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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For a square modulating signal with value 0 and 3 V entering an FM modulator with drift sensitivity of 0.1KHz / V and a carrier frequency of 100KHz with Vc = 5V, draw the waveform of the resulting modulated signal indicating the frequency and amplitude values of the wave.
Problem1 A baseband signal with frequency components from near dc to 15 kHz frequency modulates a 200-kHz carrier, andthe frequency deviation is ±3 kHz. The signal is applied as the input to a cascade of two frequency triplers and onefrequency doubler. Determine the output (a) center frequency, (b) frequency deviation, and (c) deviation ratio (d) A VCO has an unmodulated carrier frequency of 100 MHz and sensitivity of −12 kHz#V. Determine thefrequency when the input signal is set at 5 V.
[Q1] A carrier signal (peak amplitude = 39V, frequency = 100MHz) is frequency modulated by the baseband signal (peak amplitude = 5V, bandwidth = 12.02kHz). The frequency deviation is 77.53kHz, and the load is 510. Determine (a) the load power, (b) the bandwidth of nsmitted signal. (consider only VnG)|> 0.1).
Problem1: the figure shows multiple modulation schemes for the signal that is given by the dashed line sinusoidal function, the X-axis is the time axis is seconds and the Y-axis is the amplitude. Answer the following: 1. What is the value of the duty cycle in A? 2.What is the quantization noise in a modulator that uses a 4-bits register for the analog to digital conversion of the given sinusoidal signal?
For an AM, DSBFC modulator with a carrier frequency fc=801KHz and a maximum modulating signal frequency fm=9KHz, determine: a. Frequency limits for upper and lower side band b. Bandwidth c. Draw the output frequency spectrum c. d. State two advantages and two disadvantages of FM over AM.
If the amplitude of the modulation signal voltage was given to be -4v and +4v and carrier amplitude also given to be -22v and +22v, by suitable waveform diagram determine the Am modulated output. Remember to provide all necessary wave forms in practical terms.
For an FM modulator with a modulation index mf = 1, a modulating signalVm(t) = Vm sin(2π1000t) and unmodulated carrier Vc(t) = 10 sin(2π500kt),determinea) Number of sets of significant sidebandb) Their amplitudec) Then draw the frequency spectrum showing their relative amplitudesd) Determine the unmodulated carrier power for the FM modulator(assume a load resistance RL = 50 Ω)e) Determine the power in the modulated carrier and each side frequency,and sketch the power spectrum for the modulated wave.
Given an AM DSBFC modulator with a carrier frequency of 100 kHz and maximum modulating signal of 5kHz. Find the following: Frequency limits for the upper and lower sidebands bandwidth upper and lower side frequencies when the modulating signal is a single frequency 3kHz tone sketch the output frequency spectrum
When does maximum frequency deviation occur in an FM signal? -It occurs during the transition of the modulating signal to the opposite sign. -It occurs at the maximum amplitude point of the modulating signal. -It occurs during the maximum rate of change of the modulating signal. -It occurs at the mean point of the modulating signal.
-MCQ- FM modulator is used to transmit a cosine message signal with 4V amplitude and 20Hz frequency. The frequency deviation constant kf = 25 Hz/V, the carrier is a cosine sign with an amplitude of 10V and a frequency of 2000Hz. The FM modulated signal is passed through a bandpass filter and 90% of the power of the modulated signal remains. What is the bandwidth of the FM modulated signal in this case? a) 240hz b) 20hz c) 100hz d)200hz
Answer the question: For a QPSK modulator with an input data rate (fb) equal to 10 Mbps and a carrier frequency of 70 MHz, determine the minimum double-sided Nyquist bandwidth (fN) , the highest fundamental signal, and the baud rate.
What are the advantages and disadvantages of single-sideband transmission? Briefly describe each.

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