A message signal m(t) (amplitude Am = 20 V, bandwidth BW=1 kHz) is input to FM Modulator 1 (ka generate gFMI(t). This signal is input to FM modulator 2 (kp = 2000n, carrier frequency fa %3D 500n, carrier frequency fel 30 kHz, output amplitude 8 V) to |3D = 2 MHz, output amplitude = 16 V). (Note: all modulators assume their input signals are baseband signals). a) b) c) Find BWFM1 (the bandwidth of gFM(t)) in Hz. Find BWFM2 (the bandwidth of gFM2(t)) in Hz. Find the power of gFM2(t). Find the range of instantaneous frequency of gFM1(t). Find the range of instantaneous frequency of gFM2(t). If we change Am, what value of Am will result in BWFM = 114 kHz? FM Modulator 1 k 500t fa-30 kHz Output Amp-8V FM Modulator 2 m(t) A-20 V BW=7kHz grun() ko = 2000r fa-2 MHz Output Amp-16 V 2.
A message signal m(t) (amplitude Am = 20 V, bandwidth BW=1 kHz) is input to FM Modulator 1 (ka generate gFMI(t). This signal is input to FM modulator 2 (kp = 2000n, carrier frequency fa %3D 500n, carrier frequency fel 30 kHz, output amplitude 8 V) to |3D = 2 MHz, output amplitude = 16 V). (Note: all modulators assume their input signals are baseband signals). a) b) c) Find BWFM1 (the bandwidth of gFM(t)) in Hz. Find BWFM2 (the bandwidth of gFM2(t)) in Hz. Find the power of gFM2(t). Find the range of instantaneous frequency of gFM1(t). Find the range of instantaneous frequency of gFM2(t). If we change Am, what value of Am will result in BWFM = 114 kHz? FM Modulator 1 k 500t fa-30 kHz Output Amp-8V FM Modulator 2 m(t) A-20 V BW=7kHz grun() ko = 2000r fa-2 MHz Output Amp-16 V 2.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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KVL and KCL
KVL stands for Kirchhoff voltage law. KVL states that the total voltage drops around the loop in any closed electric circuit is equal to the sum of total voltage drop in the same closed loop.
Sign Convention
Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection and refraction in an easier way.
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