Timeline for Second order low pass filter: two 1st order filters not-immediately cascaded
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 21, 2022 at 20:15 | vote | accept | Domingo | ||
| May 21, 2022 at 14:02 | history | edited | JRE | CC BY-SA 4.0 |
added 32 characters in body; edited title
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| May 21, 2022 at 13:38 | comment | added | Neil_UK | Whereas two buffered single pole filters cascaded will have the same ultimate 40 dB slope in the stopband, their passband corner will not be as sharp as a 2nd order filter. That is, the -3dB frequency of the two filters will be a -6dB point for the whole filter, so more slopey than a properly designed 2nd order Butterworth or Cheby filter. | |
| May 21, 2022 at 13:08 | answer | added | Andy aka | timeline score: 2 | |
| May 21, 2022 at 11:45 | history | asked | Domingo | CC BY-SA 4.0 |