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Results tagged with filter
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user 30020
A filter selectively processes input signals in frequency- or time-domain.
3
votes
What are the differences between modern and classical filter theory?
Filter theory had its beginning in 1915 when Campbell in America and Wagner in Germany independently invented the electric-wave filter. … The theory has evolved essentially along two independent lines, known in the literature as classical filter theory and modern filter theory. …
- 615
1
vote
How can i design butterworth low and high pass filter?
I don't think this is close to a realistic design, but you asked whether the values are correct for a Butterworth filter, and I don't believe they are. …
- 615
1
vote
ALL PASS Filter-Why the name filter
When using an all pass filter however, we need to ensure that the signal applied to the filter is band limited to the it's pass band. … In the second example, I pre-filter the square wave with a 10 kHz low pass and use an all pass filter with constant group delay out to 4 kHz. …
- 615
1
vote
Accepted
Looking for Tables of Chebyshev I Lumped Filters, for Various Ripple values (in dB)
There is a free RF filter design program at http://iowahills.com/9RFFiltersPage.html You can get the Chebyshev values you want from the program by doing the following. …
- 615
2
votes
Accepted
Admittance inverter realisation in filter design
Your question has a simple answer, but allow me explain a few things that will help you understand how to design Direct Coupled filters.
1) Cohn described the four inverter circuits I show on the top …
- 615