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b) A single sideband suppressed carrier (SSB-SC) amplitude modulated signal is defined as v,(t) = 2cos (2n × 1.01 × 105t) Demodulate the SSB-SC signal, vs(t), using the synchronous demodulator with the local oscillator frequency set to 105HZ.

b) A single sideband suppressed carrier (SSB-SC) amplitude modulated signal is defined as v,(t) = 2cos (2n × 1.01 × 105t) Demodulate the SSB-SC signal, vs(t), using the synchronous demodulator with the local oscillator frequency set to 105HZ.

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) A Double-Sideband Amplitude Modulator is shown in fig. 1 V DC cos(2n x 2 x 105t) m(t) v,(1) Σ Figure 1
Transcribed Image Text:a) A Double-Sideband Amplitude Modulator is shown in fig. 1 V DC cos(2n x 2 x 105t) m(t) v,(1) Σ Figure 1
b) A single sideband suppressed carrier (SSB-SC) amplitude modulated signal is defined as v,(t) = 2cos (2n × 1.01 × 105t) Demodulate the SSB-SC signal, Vs(f), using the synchronous demodulator with the local oscillator frequency set to 10 Hz. c) A frequency modulated (FM) signal has a peak deviation of 3kHz, an unmodulated carrier frequency of 1.5MHZ, and a carrier amplitude of 2V. If the input to the modulator is a message signal i. defined as m(t) = 3cos (27T × 2 × 10³t), determine the modulation index of the FM signal. Sketch accurately the significant frequency spectrum of the FM signal. ii. Calculate the total power in the unmodulated carrier signal and the total power in the significant spectrum, assuming a load resistance of 500. ii.
Transcribed Image Text:b) A single sideband suppressed carrier (SSB-SC) amplitude modulated signal is defined as v,(t) = 2cos (2n × 1.01 × 105t) Demodulate the SSB-SC signal, Vs(f), using the synchronous demodulator with the local oscillator frequency set to 10 Hz. c) A frequency modulated (FM) signal has a peak deviation of 3kHz, an unmodulated carrier frequency of 1.5MHZ, and a carrier amplitude of 2V. If the input to the modulator is a message signal i. defined as m(t) = 3cos (27T × 2 × 10³t), determine the modulation index of the FM signal. Sketch accurately the significant frequency spectrum of the FM signal. ii. Calculate the total power in the unmodulated carrier signal and the total power in the significant spectrum, assuming a load resistance of 500. ii.
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