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

Author Question: Which formula is correct when calculating time HIGH (tHI) for an astable 555 timer output? A) tHI ... (Read 114 times)

anshika

  • Hero Member
  • *****
  • Posts: 510
on: Jul 28, 2018
Which formula is correct when calculating time HIGH (tHI) for an astable 555 timer output?
 
  A) tHI = RBC(.693 ) B) tHI = RARB(.693)
  C) tHI = RA(.693 ) D) tHI = (RA + RB) C(.693)

Question 2

A 555 timer in astable operation uses two timing resistors, RA and RB. Which one is used to calculate time HIGH (tHI)?
 
  A) RA B) RB C) both RA and RB D) neither RA nor RB


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ergserg

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

C


anshika

  • Hero Member
  • *****
  • Posts: 510
Reply #2 on: Jul 28, 2018
Thank you!


ergserg

  • Sr. Member
  • ****
  • Posts: 338
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

In middle childhood, children spend increasing amounts of time with peers and friends. In middle childhood, children spend increasing amounts of time with peers and friends.
Exchange of gases between lungs and blood. High concentration of CO2 in blood capillary entering the ... Exchange of gases between lungs and blood. High concentration of CO2 in blood capillary entering the ...
Step stool can help clients get onto and off of a high table. Step stool can help clients get onto and off of a high table.
Insecticide application over time Insecticide application over time
Single-serve pods of infant formula Single-serve pods of infant formula
Quadratic Formula Quadratic Formula
Video: Anaphylaxis Animation

For a complete list of videos, visit our video library