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Author Question: The equation for the output frequency of a 555 timer operating in the astable mode is: f = 1.44/((R1 ... (Read 77 times)

cartlidgeashley

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on: Jul 28, 2018
The equation for the output frequency of a 555 timer operating in the astable mode is: f = 1.44/((R1 + 2R2)C). What value of C will be required to produce a 1 kHz output if R1 = 1 k and R2 = 1 k?
 
  A) 0.33uF B) 0.48uF C) 33nF D) 480uF

Question 2

A retriggerable one-shot has a pulse width of 10mS; 3mS after being triggered, another trigger pulse is applied. The resulting output pulse will be ________ ms.
 
  A) 10 B) 3 C) 7 D) 13
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trampas

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Reply #1 on: Jul 28, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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cartlidgeashley

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Reply 2 on: Jul 28, 2018
Excellent

Dominic

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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