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Posts by newbie‭

2 posts
42%
+1 −2
Q&A Flash light frequency and rise time calculation

I was analyzing the design a hazard warning light.The spec of the light turn on off is given below. The flashing-light frequency shall be 90+/-30 times per minute. May I know in this case the...

1 answer  ·  posted 23d ago by newbie‭  ·  last activity 23d ago by Olin Lathrop‭

40%
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Q&A How do we calculate signal rise time from frequency

May I know how to calculate a signals rise time from it's frequency. I found this article for the same. The formula given is Tr = 1/f*π. May I know is this applicable for PWM also.

1 answer  ·  posted 23d ago by newbie‭  ·  last activity 23d ago by Olin Lathrop‭