ScopeIIR 6.0

ScopeIIR provides a comprehensive IIR filter design capability. It instantly designs high-order IIR filters based on the Butterworth, Chebyshev, or Elliptic analog prototypes. It can design lowpass, highpass, bandpass, and bandstop filters, with frequency and gain characteristics you specify. Analysis
ScopeIIR provides a sophisticated set of plots and displays that let you fully analyze the characteristics of your filter design, including:
Frequency Response Plots
-Magnitude
-Phase
-Unwrapped phase
-Group delay
-Phase delay
Time Response Plots
-Impulse response
-Step response
-Combined impulse and step response
Data Displays
-Biquad coefficients
-Direct Form coefficients
-Poles and zeros
-Design specifications
-Impulse response
-Step response
Pole-Zero Plot