Timeline for Is it possible to design a band-pass filter with fewer taps than a series HPF + LPF?
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
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| Jan 17, 2019 at 2:58 | comment | added | RedPanda | Based on that, it's not obvious that there will be a shorter filter with the same TW and ER, for instance if the starting LPF/HPF are each at their optimal values for M samples, I would expect it's impossible to hit the same values with M samples in a single stage. | |
| Jan 16, 2019 at 23:45 | comment | added | Fat32 | You are right. Depending on the application, you would typically set the first two as your targets and find out the resulting length M. Or sometimes, you could set M beforehand and then examine (and accept) the resulting TW and ER. | |
| Jan 16, 2019 at 23:31 | comment | added | RedPanda | This is a great lead. At first glance, it seems like you can specify 2 of 3 variables: transition width, ripple, and M, but the third is dependent on the others. Am I misunderstanding? | |
| Jan 16, 2019 at 21:58 | history | edited | Fat32 | CC BY-SA 4.0 | deleted 1 character in body |
| Jan 16, 2019 at 21:49 | history | edited | Fat32 | CC BY-SA 4.0 | deleted 6 characters in body |
| Jan 16, 2019 at 21:43 | history | answered | Fat32 | CC BY-SA 4.0 |