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3.4-1 Signals g1(t) = 10*7(10*:) and g2(1) = 8(1) are applied at the inputs of the ideal low-pass filters H1(f) = I(f /20,000) and H2(f) = IIf/10,000) (Fig. P3.4-1). The outputs y (t) and y2(t) of these filters are multiplied to obtain the signal y(1) = y1(t)y2(1). %3D (a) Sketch G1 (f) and G2(f). (b) Sketch H1(f) and H2(f). (c) Sketch Y1 (f ) and Y2(f).

3.4-1 Signals g1(t) = 10*7(10*:) and g2(1) = 8(1) are applied at the inputs of the ideal low-pass filters H1(f) = I(f /20,000) and H2(f) = IIf/10,000) (Fig. P3.4-1). The outputs y (t) and y2(t) of these filters are multiplied to obtain the signal y(1) = y1(t)y2(1). %3D (a) Sketch G1 (f) and G2(f). (b) Sketch H1(f) and H2(f). (c) Sketch Y1 (f ) and Y2(f).

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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3.4-1 Signals g1(t) = 1047(10*:) and g2(1) = 8(1) are applied at the inputs of the ideal low-pass filters H1 (f) = 1f /20,000) and H2(f) = I1(f/10,000) (Fig. P3.4-1). The outputs y (t) and y2(t) of these fiters are multiplied to obtain the signal y(!) = y1(t)y2(f). (a) Sketch G1 (f) and G2(f). (b) Sketch H1 (f) and H2(f ). (c) Sketch Y1 (f) and Y2(f ). (d) Find the bandwidths of y1 (1), y2 (t), and y(t). 8, (1) 3 (7) y (t) = y, () y,(t) 8,(1) ½ (1) H(f)
Transcribed Image Text:3.4-1 Signals g1(t) = 1047(10*:) and g2(1) = 8(1) are applied at the inputs of the ideal low-pass filters H1 (f) = 1f /20,000) and H2(f) = I1(f/10,000) (Fig. P3.4-1). The outputs y (t) and y2(t) of these fiters are multiplied to obtain the signal y(!) = y1(t)y2(f). (a) Sketch G1 (f) and G2(f). (b) Sketch H1 (f) and H2(f ). (c) Sketch Y1 (f) and Y2(f ). (d) Find the bandwidths of y1 (1), y2 (t), and y(t). 8, (1) 3 (7) y (t) = y, () y,(t) 8,(1) ½ (1) H(f)
2.1-3 Find the power of a sinusoid C cos (@nt + 6). 2.1-4 Show that if wj = w2, the power of g(t) C; cos(w t + 01) + C2 cos(@zi + O2) is [C1? + C22 + 2C, C2 cos(61 – 02)]/2, which is not equal to (C1? + C2?)/2. 2.2-1 Show that an exponential e-ar starting at -o is neither an energy nor a power signal for any real value of a. However, if a is imaginary, it is a power signal with power Pg = 1 regardless of the value of a.
Transcribed Image Text:2.1-3 Find the power of a sinusoid C cos (@nt + 6). 2.1-4 Show that if wj = w2, the power of g(t) C; cos(w t + 01) + C2 cos(@zi + O2) is [C1? + C22 + 2C, C2 cos(61 – 02)]/2, which is not equal to (C1? + C2?)/2. 2.2-1 Show that an exponential e-ar starting at -o is neither an energy nor a power signal for any real value of a. However, if a is imaginary, it is a power signal with power Pg = 1 regardless of the value of a.
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