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Figure P4.2-10 4.2-10 A slightly modified version of the scrambler in Fig. P4.2-10 was first used commercially on the 25-mile radio-telephone circuit connecting Los Angeles and Santa Catalina island, for scrambling audio signals. The output y(r) is the scrambled version of the input m(t). M(S) m(t) 15 kHz 15 kHz f kHz 2 cos 30000л Lowpass filter 0-15 kHz y(t) (Scrambled output) (a) Find and sketch the spectrum of the scrambled signal y(t). (b) Design a block diagram for descrambling y(t) to obtain m(t).

Figure P4.2-10 4.2-10 A slightly modified version of the scrambler in Fig. P4.2-10 was first used commercially on the 25-mile radio-telephone circuit connecting Los Angeles and Santa Catalina island, for scrambling audio signals. The output y(r) is the scrambled version of the input m(t). M(S) m(t) 15 kHz 15 kHz f kHz 2 cos 30000л Lowpass filter 0-15 kHz y(t) (Scrambled output) (a) Find and sketch the spectrum of the scrambled signal y(t). (b) Design a block diagram for descrambling y(t) to obtain m(t).

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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Figure P4.2-10 4.2-10 A slightly modified version of the scrambler in Fig. P4.2-10 was first used commercially on the 25-mile radio-telephone circuit connecting Los Angeles and Santa Catalina island, for scrambling audio signals. The output y(t) is the scrambled version of the input m(t). M(f) m(t) - 15 kHz 15 kHz f kHz 2 cos 30000л Lowpass filter 0-15 kHz y(t) (Scrambled output) (a) Find and sketch the spectrum of the scrambled signal y(t). (b) Design a block diagram for descrambling y(t) to obtain m(t).
Transcribed Image Text:Figure P4.2-10 4.2-10 A slightly modified version of the scrambler in Fig. P4.2-10 was first used commercially on the 25-mile radio-telephone circuit connecting Los Angeles and Santa Catalina island, for scrambling audio signals. The output y(t) is the scrambled version of the input m(t). M(f) m(t) - 15 kHz 15 kHz f kHz 2 cos 30000л Lowpass filter 0-15 kHz y(t) (Scrambled output) (a) Find and sketch the spectrum of the scrambled signal y(t). (b) Design a block diagram for descrambling y(t) to obtain m(t).
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