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Hi
Could you please help me with the query included in the attachment? Thanks a lot for the help.
Regards
PG
Hi
Could you please help me with the query included in the attachment? Thanks a lot for the help.
Regards
PG
No. The roll of the two will add. The first filter has -10db/decade, the second will attenuate that signal -10db/decade again, for a total of -20db/decade.
A comment to cascading two first order sections:
You get a second-order lowpass with two real poles which has a very bad selectivity.
With one opamp and 2 RC combinations you can realize a classical 2nd order filter with complex pole pair and good selectivity.
Hello,
Yes it's only a drawback when you dont want an overshoot, ie when you want a flat response up to the cut point. .....
Thank you, Winterstone, MrAl.
Could you please help me with these queries, **broken link removed** and **broken link removed**? Thank you.
Regards
PG
what is meant by "selectivity"?
ok, gotcha...i know the concept u speak of, just never heard of the term 'selectivity'