In an FM system the carrier frequency is 1MHz, the modulating signal at 10 kHz, the...
14. Given a sinusoidal modulating signal with frequencies f," 10 kHz and a carrier signal of 100 MHz, determine the bandwidth of FM for the three cases (amplitudes: 1. 10, 100, 1000) when the maximum frequency deviation is 50 kHz and k,-2? × 100 rad/sec/volt.
12. An FM signal has a deviation of 3 kHz and a modulating frequency of 1 kHz. Its total power Pris 5 W, developed across a 50 2 resistive load. The carrier frequency is 160 MHz (a) Calculate the RMS signal voltage VI (b) Calculate the RMS voltage at the carrier frequency and each of the first three sets of sidebands. (c) For the first three sideband pairs, calculate the frequency of each sideband. (d) Calculate the power at the...
1. An available channel for FM transmission is 30 kHz wide. The maximum allowable modulating signal frequency is 3.5 kHz. What deviation ratio should be used
Consider an FM system where the modulated signal iss(t) = 10 cos2fct+ 2kfZt0m()dwhere the carrier frequency isfc= 100 MHz. The modulation signal ism(t) = 10 cos(2fmt),wherefm= 3 kHz
Communication systemProblems A 25 MHz carrier is modulated by a 400 Hz audio sine wave If the carrier voltage 4 V and the maximum deviation is 10 KHz, write the equation of this modulated wave for FM. If the modulating frequency is now changed to 2 KHz, all else remaining constant, write the new equation for FM2. In an FM system, when the audio frequency (AF) is 500 Hz and the AF voltage is 2.4 V, the deviation is 4.8 KHz....
Consider an FM system where the modulated signal is s(t) = 10 cos (2πfct + 2πkf∫0t m(τ)dτ)where the carrier frequency is fc = 100 MHz. The modulation signal is m(t) = 10 cos(2πfmt), where fm = 3 kHz. (a) Assuming that kf = 10, what is the approximate bandwidth of s(t)? (b) Find the instantaneous frequency fi(t) of s(t). What are the maximum and minimum values of fi(t) ?
Find the maximum bandwidth of an FM signal with a deviation of 50 kHz and a maximum modulating signal of 10 kHz by: a. Using Bessel table b. Using Carson Rule
Communication system 4. a) Find the carrier and modulating frequencies, the modulation index, and the maximum deviation of the FM wave represented by the voltage equation v = 12 sin (6 * 10 8 t + 5 sin 1250t)
An FM signal has an intelligence frequency of 5 KHz, a maximum deviation of 30 KHz, and a carrier frequency of 162.4 MHz. Use the Bessel Function chart to answer the following: a) Its bandwidth b) How many frequency components are there in the output spectrum? c) What is the frequency of the highest frequency component within its bandwidth?
Engineering question. Please provide your work. Please explain how you got each number in your work. Please do not copy your work and answers from other people's links. 2. Erequency modulation (FM) An FM transmitter has a deviation sensitivity of 10 kHz/mV. Both modulating signals have an amplitude of 4.5 mV. Complete the following table: Modulation index, m Carrier frequency deviation, of Modulating signal frequency, fm 50 Hz 15,000 Hz 2. Erequency modulation (FM) An FM transmitter has a deviation...