If fc < 2B (fc: carrier frequency, B: signal bandwidth), what will happen? Why we require fc <<B?
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If fc < 2B (fc: carrier frequency, B: signal bandwidth), what will happen? Why we require...
A bandpass signal with carrier frequency 1482 Hz is a bandwidth of 154 Hz. This signal is mixed with a local oscillator output at the frequency 810 Hz, and then sampled with an ideal sampler. We is the minimum time between samples that will allow the full signal output by the mixer to be reconstructed from its samples using an appropriate low pass filter? State your answer in milliseconds to two decimal places. A bandpass signal with carrier frequency 1482...
2. Question: A baseband signal has a bandwidth B = 10 kHz. The carrier frequency is ae = 2x 106 f the DSB-SC signal. T. Find the Nyquist frequency and Nyquist interval 0 of
QUESTION 4 For the signal m(t) = 3 cos(1200nt) + Scos(1500ft) and the carrier frequency fc = 20 KHz 1. Find SSB/USB in time domain and 2. Sketch the Spectrum of SSB/USB (frequency domain) 3. Find the bandwidth of the SSB/USB Arial24191) TE STEMME
Solve using Matlab: FM spectrum: A message signal m(t) (shown below) is used to modulate a carrier with frequency (fc) in a FM system with kr 90, find and plot the FM signal s(t) in both time and frequency domains. Use the value of fc-1000. m(t) (V) 3.5 t (ms) 250 [Note that m(t) is zero for t<0 and t>250 ms FM spectrum: A message signal m(t) (shown below) is used to modulate a carrier with frequency (fc) in a...
A 1.5 MHz carrier frequency is amplitude-modulated by a 200 kHz sinewave audio signal. The bandwidth would be A. 40 kHz. B. 405 kHz. C. 4,000 kHz. D. 400 kHz.
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?
An angle-modulated signal with carrier frequency fc-10s is described by the following equation: PEM (t) = 10cos(wct + 5sin(3000t) + 10sin(2000nt)) Find the power of the modulated signal. 100 С 25 O225 O 50
What is the bandwidth of an AM signal whose carrier is 2.1 MHz modulated by a 1.5-kHz square wave with significant harmonics up to the fifth? Calculate all the upper and lower sidebands produced.
question 2 Question 2: (10 points) A narrowband signal has a bandwidth of 8 kHz centered on a carrier frequency of 150 kHz. It is proposed to represent this signal in discrete-time form by sampling its in-phase and quadr ature components individually. What is the minimum sampling rate that can be used for this representation? tify you Jus answer. How would you reconstruct the original narrowband sig ampled versions of its in-phase and quadrature components? Question 2: (10 points) A...
Complete using matlab 5. A msg m(t) that is used too modulate a carrier and frequency (fc) is 1500 in a FM system. Kf is 80. Plot the FM signal in time AND frequency domain using Matlab. The signal is shown below, m(t) is zero for t>250ms and t<0 ms. m(t) (V) Half Sinusoid 3.5 t (ms) 250 5. A msg m(t) that is used too modulate a carrier and frequency (fc) is 1500 in a FM system. Kf is...