Author Question: What is the purpose of a PLL? A) stabilize IF gain B) regulate voltage in audio amplifiers C) ... (Read 69 times)

Diane

  • Hero Member
  • *****
  • Posts: 576
What is the purpose of a PLL?
 
  A) stabilize IF gain B) regulate voltage in audio amplifiers
  C) modulate or demodulate an incoming signal D) synchronize a VCO with an incoming signal

Question 2

The range of frequencies between 200 Hz and 20 KHz is
 
  A) the audio range B) demodulated FM
  C) the lowest end of the radio frequency spectrum D) demodulated AM



morrie123456

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

For a complete list of videos, visit our video library