Assertion: filter's output | /r/HasProperty | delayed by a quarter period
Facets:
value: from the input
type: OTHER
Source sentences:
text: At the corner frequency ω=1/RC of the low-pass filter (i.e., when input frequency is 1/(2πRC)), the circuit introduces a 90° shift (i.e., output is in quadrature with input; the output appears to be delayed by a quarter period from the input).