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 105 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?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Recombinants are meiotic output different from meiotic input Recombinants are meiotic output different from meiotic input
Four Brain Structures with High Myelination in Early Childhood Four Brain Structures with High Myelination in Early Childhood
Rank-order correlations show that differential consistency remains high from childhood through late ... Rank-order correlations show that differential consistency remains high from childhood through late ...
Time course for antibodies to the EBV viral–specific antigens. Time course for antibodies to the EBV viral–specific antigens.
Time spent on, paid work and housework, by living arrangements of Canadian Time spent on, paid work and housework, by living arrangements of Canadian
Physics: Power, Energy and Time Physics: Power, Energy and Time
Video: SNP Polymorphysim Microarray Chip - How to Test a Person's DNA

For a complete list of videos, visit our video library