Timeline for Square wave spectrum and knee frequency
Current License: CC BY-SA 4.0
13 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 25, 2021 at 20:02 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| Jun 26, 2021 at 3:01 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| Feb 25, 2021 at 18:03 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| Oct 21, 2020 at 14:02 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| Sep 20, 2020 at 14:20 | answer | added | schnedan | timeline score: 0 | |
| Sep 20, 2020 at 14:06 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| May 12, 2020 at 1:04 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| Nov 10, 2019 at 5:38 | answer | added | Neil_UK | timeline score: 0 | |
| Nov 10, 2019 at 3:26 | comment | added | analogsystemsrf | with finite risetimes, say T, there will be a NULL in the response at F = 1/T. Why? because that ramp, convolved with a sinusoid of F frequency, will precisely integrate to ZERO. | |
| Nov 9, 2019 at 18:10 | answer | added | The Photon | timeline score: 1 | |
| Nov 9, 2019 at 18:04 | comment | added | The Photon | Your green curve also shows a steep fall-off about 1 decade out from where the blue curve does, just as you would expect from the formula. But this is an empirical rule of thumb, not really an exact formula. Some other source might give \$f_{knee}=0.7/t_{rise}\$ for example. Or you might need a different constant factor if you use the 20-80 rise-time instead of the 10-90 rise-time, etc. | |
| Nov 9, 2019 at 17:50 | review | First posts | |||
| Nov 9, 2019 at 18:42 | |||||
| Nov 9, 2019 at 17:47 | history | asked | WhatToDo | CC BY-SA 4.0 |