An RC filter does not 'delay' signals, but low pass filters them, with a frequency dependent phase delay. An RC value of 100ps says that the step response gets to 1/e of the final value in 100ps.
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On 8/5/16 10:05 PM, wikihanya@... [LTspice] wrote:
Hi, i am new to LTSPICE. i am simulating this series RC circuit with an input of 1GHz. sine wave. since the RC value is 100ps. it should introduce a delay of 100 ps to the voltage across the capacitor but the LTSPICE shows a time difference of only 91ps, why is that? . thanks
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Richard Damon
