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Author Question: Which formula is correct when calculating time LOW (tLO) for an astable 555 timer output? A) tLO ... (Read 83 times)

genevieve1028

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on: Jul 28, 2018
Which formula is correct when calculating time LOW (tLO) for an astable 555 timer output?
 
  A) tLO = RB(.693 ) B) tLO = RBC C) tLO = RARB(.693 ) D) tLO = RBC(.693)

Question 2

An astable 555 timer is designed using the following external components: RA = 2 k, RB = 6.5 k , C = .01 F. Calculate time LOW (tLO).
 
  A) 105 sec B) 550 sec C) 45 sec D) 325 msec


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amit

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

D

Answer to Question 2

C


genevieve1028

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Reply 2 on: Jul 28, 2018
Gracias!

ryansturges

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Reply 3 on: Yesterday
:D TYSM

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