The information sign m(t) =0.5cos(400πt) is added with c(t) = cos(2πfct) and applied as an input to a nonlinear element. The input-output relationship of the nonlinear element is as follows: y(t) = 2x(t) + x2(t). The signal is then passed through a bandpass filter (BPF). Based on this information, which of the following is true? a) The maximum width of the BPF should be 2(fc-800). b)If the Y(t) signal is passed through the BPF, a double sideband signal is obtained at the output. c) The carrier frequency should be more than 650 Hz. d) The maximum width of the BPF should be 2(fc-400).
The information sign m(t) =0.5cos(400πt) is added with c(t) = cos(2πfct) and applied as an input to a nonlinear element. The input-output relationship of the nonlinear element is as follows: y(t) = 2x(t) + x2(t). The signal is then passed through a bandpass filter (BPF). Based on this information, which of the following is true? a) The maximum width of the BPF should be 2(fc-800). b)If the Y(t) signal is passed through the BPF, a double sideband signal is obtained at the output. c) The carrier frequency should be more than 650 Hz. d) The maximum width of the BPF should be 2(fc-400).
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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The information sign m(t) =0.5cos(400πt) is added with c(t) = cos(2πfct) and applied as an input to a nonlinear element. The input-output relationship of the nonlinear element is as follows: y(t) = 2x(t) + x2(t). The signal is then passed through a bandpass filter (BPF). Based on this information, which of the following is true?
a) The maximum width of the BPF should be 2(fc-800).
b)If the Y(t) signal is passed through the BPF, a double sideband signal is obtained at the output.
c) The carrier frequency should be more than 650 Hz.
d) The maximum width of the BPF should be 2(fc-400).
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