Time Constant Versus Frequency

  • John M. Eargle


In many applications dealing with signal pre-emphasis and de-emphasis, engineers speak of the time constant of a resistor-capacitor combination instead of transition frequency. The relation between the two is:
$$ \tau = \frac{1}{{2\pi f}} $$
$$ f = \frac{1}{{2\pi \tau }} $$
where τ is the time constant in seconds.



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© Springer Science+Business Media New York 1994

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  • John M. Eargle

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