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A message signal m(t) (amplitude Am = 20 V, bandwidth BW = 1 kHz) is input to FM Modulator 1 (ka = 500n, carrier frequency fel generate gFMI(t). This signal is input to FM modulator 2 (kp = 2000n, carrier frequency fa 2. %3D 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) d) e) f) %3D Find BWFM (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 gFM(t). Find the range of instantaneous frequency of gFM2(t). If we change Am, what value of Am will result in BWF = 114 kHz? FM Modulator 1 m(() A 20 V BW =7kHz k 500 fa-30 kHz Output Amp-8V FM Modulator 2 kn = 2000 fo=2 MHz Output Amp-16 V

A message signal m(t) (amplitude Am = 20 V, bandwidth BW = 1 kHz) is input to FM Modulator 1 (ka = 500n, carrier frequency fel generate gFMI(t). This signal is input to FM modulator 2 (kp = 2000n, carrier frequency fa 2. %3D 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) d) e) f) %3D Find BWFM (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 gFM(t). Find the range of instantaneous frequency of gFM2(t). If we change Am, what value of Am will result in BWF = 114 kHz? FM Modulator 1 m(() A 20 V BW =7kHz k 500 fa-30 kHz Output Amp-8V FM Modulator 2 kn = 2000 fo=2 MHz Output Amp-16 V

Introductory Circuit Analysis (13th Edition)
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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A message signal m(t) (amplitude Am = 20 V, bandwidth BW = 7 kHz) is input to FM Modulator 1 (ka generate gFMI(t). This signal is input to FM modulator 2 (kp = 2000n, carrier frequency fr 500n, carrier frequency f.1 30 kHz, output amplitude = 8 V) to 2 MHz, output amplitude = 16 V). (Note: all modulators assume their input signals are baseband signals). a) b) c) d) e) Find BWFM (the bandwidth of gFM(t)) in Hz. Find BWFM2 (the bandwidth of gFM2(t)) in Hz. Find the power of gFM(t). Find the range of instantaneous frequency of gFM(t). Find the range of instantaneous frequency of gFM(t). If we change dm, what value of A, will result in BWF = 114 kHz? FM Modulator2 kp-2000t f0-2 MHz Output Amp 16 V FM Modulator 1 m(t) A=20 V BW 7kHz -500 g() fa-30 kHz Output Amp-8 V 4/7 2.
Transcribed Image Text:A message signal m(t) (amplitude Am = 20 V, bandwidth BW = 7 kHz) is input to FM Modulator 1 (ka generate gFMI(t). This signal is input to FM modulator 2 (kp = 2000n, carrier frequency fr 500n, carrier frequency f.1 30 kHz, output amplitude = 8 V) to 2 MHz, output amplitude = 16 V). (Note: all modulators assume their input signals are baseband signals). a) b) c) d) e) Find BWFM (the bandwidth of gFM(t)) in Hz. Find BWFM2 (the bandwidth of gFM2(t)) in Hz. Find the power of gFM(t). Find the range of instantaneous frequency of gFM(t). Find the range of instantaneous frequency of gFM(t). If we change dm, what value of A, will result in BWF = 114 kHz? FM Modulator2 kp-2000t f0-2 MHz Output Amp 16 V FM Modulator 1 m(t) A=20 V BW 7kHz -500 g() fa-30 kHz Output Amp-8 V 4/7 2.
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