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High Speed Digital Design Doubts (Read 3387 times)
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High Speed Digital Design Doubts
Apr 17th, 2014, 2:14am
 
1. What is the perfect definition of High Speed Signal?
2. What is difference between 3-dB, RMS and Knee Frequency?

I have taken reference of " High-Speed Digital Design: A Handbook of Black Magic " By Martin Graham & Howard Johnson
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annchriss234
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Re: High Speed Digital Design Doubts
Reply #1 - May 31st, 2017, 11:42pm
 
A signal is usually considered high speed requiring Transmission Line methods if the length of the signal track is long compared with the highest frequency of interest in the signal.
The 3dB frequency is the frequency at which the power is reduced by one half. The half-power point is approximately 3 dB down.
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