zpch2
Chebyshev analog filter
Calling Sequence
[zeros,poles,gain]=zpch2(n,A,omegar)
Arguments
n
integer : filter order
A
real : attenuation in stop band (A>1)
omegar
real : cut-off frequency in Hertz
zeros
resulting filter zeros
poles
resulting filter poles
gain
Resulting filter gain
Description
Poles and zeros of a type 2 Chebyshev analog filter
gain is the gain of the filter
Examples