A) An amplitude modulator is shown in fig. 4.Voc中华m(t)iii)1)1992 19VOUT (t)cos(4x10³ лt)Figure 4VmIf the message m(t) is defined as m(t) = 3 cos (2000nt) and the DC offsetvoltage Koc is set to 6V. show that the output signal Vour(t) can beexpressed aswas.r=Vour(t) = 6 cos(4x105mt) + 1.5 cos(4.02×105nt)+1.5cos(3.98x105nt)Determine the modulation depth of the amplitude modulated signal Vour(t).Sketch the amplitude modulated signal Vour(t) from part ii) and draw itsfrequency spectrum.

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a) An amplitude modulator is shown in fig. 4. VDC ii) 1) m(t) 1992 VOUT (t) cos(4×10³ лt) Figure 4 Vm If the message m(t) is defined as m(t) = 3 cos (2000nt) and the DC offset voltage Koc is set to 6V. show that the output signal Vour(t) can be expressed as was.t= Vour(t) = 6 cos(4x105 mt) + 1.5 cos(4.02×105 mt) +1.5cos(3.98x10³ nt) Determine the modulation depth of the amplitude modulated signal Vour(t). Sketch the amplitude modulated signal Vour(t) from part ii) and draw its frequency spectrum.

a) An amplitude modulator is shown in fig. 4. VDC ii) 1) m(t) 1992 VOUT (t) cos(4×10³ лt) Figure 4 Vm If the message m(t) is defined as m(t) = 3 cos (2000nt) and the DC offset voltage Koc is set to 6V. show that the output signal Vour(t) can be expressed as was.t= Vour(t) = 6 cos(4x105 mt) + 1.5 cos(4.02×105 mt) +1.5cos(3.98x10³ nt) Determine the modulation depth of the amplitude modulated signal Vour(t). Sketch the amplitude modulated signal Vour(t) from part ii) and draw its frequency spectrum.

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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