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Q16: A FDM system uses SSB – SC modulation and AM main carrier modulation. There are forty (40) equal amplitude voice input channels; each bandlimited to 3.3 kHz. A 0.7 kHz guard band has allowed between channels and below the first channels. Compute the degradation in signal- to- noise of input No. 40 when compared to input No.1, assuming that PSD of noise (two – sided) is f² µw/Hz. Ans: ! 36 dB.

Q16: A FDM system uses SSB – SC modulation and AM main carrier modulation. There are forty (40) equal amplitude voice input channels; each bandlimited to 3.3 kHz. A 0.7 kHz guard band has allowed between channels and below the first channels. Compute the degradation in signal- to- noise of input No. 40 when compared to input No.1, assuming that PSD of noise (two – sided) is f² µw/Hz. Ans: ! 36 dB.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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band width = 160 kHz

Q16: A FDM system uses SSB – SC modulation and AM main carrier modulation. There are forty (40) equal amplitude voice input channels; each bandlimited to 3.3 kHz. A 0.7 kHz guard band has allowed between channels and below the first channels. Compute the degradation in signal- to- noise of input No. 40 when compared to input No.1, assuming that PSD of noise (two – sided) is f² µw/Hz. Ans: : 36 dB.
Transcribed Image Text:Q16: A FDM system uses SSB – SC modulation and AM main carrier modulation. There are forty (40) equal amplitude voice input channels; each bandlimited to 3.3 kHz. A 0.7 kHz guard band has allowed between channels and below the first channels. Compute the degradation in signal- to- noise of input No. 40 when compared to input No.1, assuming that PSD of noise (two – sided) is f² µw/Hz. Ans: : 36 dB.
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