ECT 263 Week 3 Quiz | Assignment Help | Devry University

ECT 263 Week 3 Quiz | Assignment Help | Devry University 


Question 1

 

(TCO 3) Referring to the diagram below, which block is the RF amplifier?



image

·         A

·         B

·         C

·         D, E, and F

·         G



Question 2 


(TCO 3) An AM receiver is tuned to receive a carrier frequency of 960KHz and is using high-side injection. What would be the frequency of the local oscillator? 


50KHz

505KHz

Correct Answer 

1415KHz

You Answered 

1870KHz


 

Question 3

 

(TCO 3) An AM receiver is tuned to receive a carrier frequency of 740KHz and is using high-side injection. What would be the frequency of the image frequency?

 

       ·         1650KHz

       ·         1195KHz

·         285KHz

·         170KHz


Question 4

 

(TCO 3) An AM receiver is tuned to receive a carrier frequency of 1410KHz and is using low-side injection. What would be the image frequency?



 ·         2320KHz

 ·         1865KHz

 ·         955KHz

        ·         500KHz 



Question 5


(TCO 3) Referring to the block diagram below, signal path I would be



image


 


the power supply.

the intermediate frequency.

the automatic gain control.

the audio signal.



The antenna receives the RF radio transmissions. Therefore, the amplifier at the output of the antenna(A) is the RF amplifier.




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