Forum Discussion
Altera_Forum
Honored Contributor
15 years agohow to design a low pass digital filter with smallest delay
Hello, All I want to design a digital filter with the cutoff frequency 20Hz. The sampling frequency of my acquiring system is very high, up to 8192 Hz. The important requirement is the de...
Altera_Forum
Honored Contributor
15 years agoI'm not an expert in digital filtering but I believe a real filter with cutoff frequency F always introduces an intrinsic delay which can't be lower than 1/(6.28 F).
Maybe I'm wrong; this is only something I (confusely) remember from university times, back in another millenium... Cris