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I have written a program that calculates Chebyshev filter
parameters for highpass and lowpass filters of any order
with extended variables, which works really well. It includes
as well some other simple filters (narrow band, band pass
/ reject), but the quality of these filters is not very
good, as long as you are only using it in a single stage!
There are two outputs: first the filter parameters, second
a list of frequencies and the signalstrength at each of
that frequencies. The lower and upper frequency as well
as the step size can be choosen!
DSP FILTER is free of charge for personal use! See the License
file coming with the package as well.
Installation:
1. Unzip the file to a folder of your choice (with WINZIP
for example)
2. Double click on DSPFILTER.EXE
To download the file click here: DSPFILTER.ZIP
(160kByte)
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