This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: _______________ is the process of stepping down the RF signal to a first, relatively high IF ... (Read 87 times)

j.rubin

  • Hero Member
  • *****
  • Posts: 557
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittanywood

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


j.rubin

  • Hero Member
  • *****
  • Posts: 557
Reply #2 on: Jul 28, 2018
Thanks


brittanywood

  • Sr. Member
  • ****
  • Posts: 355
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Small nuclear RNAs (snRNA), 100-200 bp in length, form part of the splicing mechanisms to process mR Small nuclear RNAs (snRNA), 100-200 bp in length, form part of the splicing mechanisms to process mR
Sitting up allows an infant to reach and grasp with one hand, but the process by which reaching ... Sitting up allows an infant to reach and grasp with one hand, but the process by which reaching ...
Cross functional Process Flow Diagram Cross functional Process Flow Diagram
The Effect of Temperature on delta G for a process or reactions The Effect of Temperature on delta G for a process or reactions
The respiratory system and the process of gas exchange The respiratory system and the process of gas exchange
Spinous process Spinous process
Video: Phlebotomy

For a complete list of videos, visit our video library