7-44 An FM receiver has an IF bandwidth of 25 kHz and a baseband bandwidth of 5 kHz. The noise figure of the receiver is 12 dB, and it uses a 75-usec deemphasis network. An FM signal plus white noise is present at the receiver input, where the PSD of the noise is No/2=KT/2. T = 290 K. (See Sec. 8-6.) Find the minimum input signal level (in dBm) that will give a SNR of 35 dB at the output when sine-wave test modulation is used.

7-44 An FM receiver has an IF bandwidth of 25 kHz and a baseband bandwidth of 5 kHz. The noise figure of the receiver is 12 dB, and it uses a 75-usec deemphasis network. An FM signal plus white noise is present at the receiver input, where the PSD of the noise is No/2=KT/2. T = 290 K. (See Sec. 8-6.) Find the minimum input signal level (in dBm) that will give a SNR of 35 dB at the output when sine-wave test modulation is used.

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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