Sketch V0(t) if 9. Given: 15 cos 103 Sketch Vo(t) if: 110 + -10 - 10
Find and Sketch the value of voltage (V0)for the following circuits? Find and Sketch the value of voltage (VO) for the following circuits? 160 V 368 kq VO | +9 20 V 1
4. (20%) An AM modulator operates with the message signal m(t) - 9 cos(207t)-8 cos(60!). The unmodulated carrier is given by 110 cos 200r), and the system operates with an index of 0.8. (10%) (a) Given that the minimum value ofm(t) is-12.9, write the equation for m, (t). and determine the power of m,(r) (i.e.. m,())) (b) Determine the efficiency of the modulator 5%) (500) (c) Sketch the double-sided spectrum of the modulator output AM signal. 4. (20%) An AM...
P. The horizontal distance of a projectile (in feet) is given by x (vo cos e)t, and the height of the projectile is given by y = -16t2 + (vo sin 0)t + yo where vo is the initial velocity, e is the angle of inclination, and yo is the initial height. Suppose an object is propelled upward from the ground at an angle e to the horizontal with an initial velocity of vo ft/sec. a. Find a formula for...
4. [20 points] A modulating signal m(t) is given by m(t)-cos(100nt)cos(500nt): 1) [5 points] Sketch the spectrum of m(t). 2) [5 points] Find and sketch the spectrum of the DSB-SC signal 2m(t)cos(1000t). 3) [5 points] From the spectrum obtained in 2), suppress the LSB to obtain the USB spectrum and sketch it. 4) [5 points] Knowing the USB spectrum in 3), write the expression puse(t) for the USB signal For full credit, label frequencies and magnitudes of the spectra for...
1. A modulating signal m(t) is given by m(t) = (cos(20nt) – cos(40ſt)) a. Find and sketch the spectrum of DSB-SC signal 2m(t)cos (100nt) b. Verify that the DSB-SC modulated signal can be recovered using coherent detection. 15 nts
3.8 An AM modulator operates with the message signal m(t)-9 cos(20π)--8 cos(60π) m(t) = 9 cos(20π) + 8 cos(60x1) The unmodulated carrier is given by 110cos(200)Same steps with another signal. and the system operates with an index of 0.8 the system operates with an indet or (a) Write the equation for ma(t), the normalized sig- nal with a minimum value of- (b) Determine (m the power in m (c) Determine the efficiency of the modulator (d) Sketch the double-sided spectrum...
Question 1 10 pts 1. Find the value of vo(t) and io(t) Vg(t) = 400 cos(5000t +30°) v 60 mH 2uF HE 5012 + 100 120 150i6
1. Given a baseband signal m(t) sin(1000mt) cos(3000nt) + cos(3700nt a. Sketch the spectrum of m(t) (Hint. sin(a) cos(b) 0.5 sin(a +b) +0.5sin a-b)) b. Sketch the spectrum of DSB-CS signal m(t)cos(10000mt) C ldentify the upper sideband {USB) and lower sideband (LSB) spectra d. Give the black diagram of the receiver to receive DSB-CS signal in (b). 2. baseband signal m(r)--0.5 + Σ..小(t-n)-u(t-0.5-n)] where ult) is the Given unit step function, an amplitude modulated signal is as SAM 107+ m(0cos...
The answer should be vO = (1.11[V] cos(300 t) – 16.11[V] – 2500[V/s]t). Please show work with steps. E5.2 The op amp in the circuit below is ideal. The switch is closed until t = 0, at which time it opens and stays open. Find vo(t) for the range -10[s] <t< 10[s]. Assume that vin(t) = 2 sin(300[rad/s]t)[V]. 5.2 alkel 3/MF1 PjOh -15/v/
) For a message signal m(t) = 2 cos( 1000t) 9 cos(2000t) a) Write expressions (do not sketch) for φPM(t) and qEM(t) when A = 10, a).-10°, k,-1000T, and k,-1. For determining ΦFM(), use the indefinite integral of m(); that is, take the value of the integral at t to be 0. b) Estimate the bandwidth of φPM(t) and φFM(t).