Q5. A station started broadcasting on the commercial AM system with the frequency 620 kHz, while a second station is broadcasting at 660 kHz. Knowing that the first station is transmitting the signal m, shown below while the second station is broadeasting the signal mz, if the receiver uses high-side tuning with IF = 455 kHz, and an RF filter with 140 kHz bandwidth: i. Calculate the image frequency of each station. ii. Propose IF filter characteristics (center frequency and bandwidth) to ensure no interference. iii. When listening to the first station, draw the spectrum in three locations: before the IF filter, after the IF filter, and before the audio amplifier. 15 kHz 15 kHz Figure Q5

Q5. A station started broadcasting on the commercial AM system with the frequency 620 kHz, while a second station is broadcasting at 660 kHz. Knowing that the first station is transmitting the signal m, shown below while the second station is broadeasting the signal mz, if the receiver uses high-side tuning with IF = 455 kHz, and an RF filter with 140 kHz bandwidth: i. Calculate the image frequency of each station. ii. Propose IF filter characteristics (center frequency and bandwidth) to ensure no interference. iii. When listening to the first station, draw the spectrum in three locations: before the IF filter, after the IF filter, and before the audio amplifier. 15 kHz 15 kHz Figure Q5

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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