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The Designer's Guide Community Forum › Design › Analog Design › Representation/Effect of a delay element in the frequency domain?
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Representation/Effect of a delay element in the frequency domain? (Read 1536 times)
Rosh
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Representation/Effect of a delay element in the frequency domain?
Oct 07th, 2015, 11:12pm  
Hi everyone,

If I have a simple RC low pass filter in which the output is taken across the capacitor, with a particular cut off frequency say x Hz.

Now if I were to introduce a delay in the path of the resistor, how will the bandwidth of the LPF change? How do I visualize this delay in the frequency domain?
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loose-electron
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Re: Representation/Effect of a delay element in the frequency domain?
Reply #1 - Oct 9th, 2015, 5:17pm  
fixed time delay can be represented as a phase delay in frequency domain. Variable phase as a function of frequency.
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