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Author Question: _______________ is the process of stepping down the RF signal to a first, relatively high IF ... (Read 91 times)

j.rubin

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on: Jul 28, 2018
_______________ is the process of stepping down the RF signal to a first, relatively high IF frequency and then mixing down again to a second, lower, final IF frequency.
 
  A. Deemphasising
  B. Double conversion
  C. Up-conversion
  D. Suppression

Question 2

What is the key to the superior selectivity of the superheterodyne receiver?
 
  A. Constant bandwidth
  B. Low frequencies
  C. Image frequency
  D. Intelligence detection


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brittanywood

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


j.rubin

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Reply #2 on: Jul 28, 2018
Thanks


brittanywood

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Reply #3 on: Jul 28, 2018
Welcome :)


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