Questions tagged [chebyshev-filters]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2 votes
1 answer
31 views

how to plot analog filter impulse responce and frequency responce?

I an new to signal processing, working on a UWB rada data this data has a shape of frames for whcih every frame (list) has 164 values, I want to pass a band pass filter with the 1hz and 5hz ...
user avatar
  • 21
0 votes
1 answer
30 views

plot the frequency responce of a sos Analog chebychev filter using python

I am new to signal processing I am using an sos analog chebychev filter, i was wondering what would be different in frequency responce plotting using the sosfreqz function as it is mentioned that it ...
user avatar
  • 21
13 votes
3 answers
432 views

Mapping of Classic Filters for Digital Filter Design

Of the four classic analog filter types: Butterworth, Chebyshev, Elliptic and Bessel- are any of these relegated to obsolescence for purposes of digital filter design in comparison to optimized ...
user avatar
0 votes
1 answer
77 views

Understanding the Chebyshev2 Bandpass Filter Poles-Zeros Plot

EDIT This ended up being a bug with my plotting code :) I'm relatively new to using IIR filters, I wanted a bandpass filter for the 0.5Hz -> 5.0Hz frequency range and was looking at the zero-pole ...
user avatar
1 vote
1 answer
478 views

What is Passband Ripple?How is this expressed in dB scale?

If my passband ripple is given as 0.2 dB $$\implies 20\log_{10}(1-\delta_1)=0.2 \\\implies 1-\delta_1=10^{\frac{0.2}{20}} ...
user avatar
  • 193
1 vote
1 answer
50 views

how to convert the zeros of an odd order Chebyshev Type II from low-pass prototype?

My DSP book (Rabiner, Lawrence R., and Bernard Gold. "Theory and application of digital signal processing." Englewood Cliffs: Prentice-Hall (1975).) has the following transformations for ...
user avatar
  • 163
3 votes
1 answer
66 views

Different formulations of Chebyshev II resulting in different poles?

I am currently trying to implement a C++ program to calculate digital filter coefficients using a Chebyshev Type II filter design technique. The text I am using to understand the theory of the ...
user avatar
  • 163
0 votes
1 answer
76 views

Chebyshev Filter Transfer Function

I'm trying to derive the transfer function for Chebyshev filter. $$|H(\Omega)|^2=\frac{1}{\sqrt{(1+\epsilon^2T_n^2(\frac{\Omega}{\Omega_c})}}$$ where $$T_n(x)=\cos(N\cos^{-1}(x)) \forall x \le 1$$ $$...
user avatar
  • 193
0 votes
0 answers
47 views

Analogue Filters (Picking the right filter!)

I'm new to Analogue and I'm trying to find the Ideal filter for the following specifications: $0.1\ \rm dB$ ripple Cutoff Frequency $F_c = 80\ \rm{kHz}$ An attenuation of $40\ \rm dB$ at the stop-...
user avatar
  • 1
0 votes
1 answer
113 views

Why is there a dip in this Chebyshev filter response?

I want to build and simulate a 6 GHz, 4th order lumped-element Chebyshev bandpass filter with a maximum passband ripple of 0.1 dB and a bandwidth of 1 GHz, and as I understand it, there should be 3 ...
user avatar
  • 9
0 votes
1 answer
65 views

Typical parameters and stability of Chebyshev filters

I design Chebyshev first and second type filters using scipy.signal.iirfilter. What are typical values of maximum ripple in the passband and minimum attenuation in the stopband? I struggle to find ...
user avatar
1 vote
1 answer
2k views

Chebyshev I or Chebyshev II?

I am new to DSP, and I am trying to recreate some analysis of a signal, They use a chebyshev I filter to go from a 100Hz signal to a 50Hz signal. Whereas I am currently using a chebyshev II filter, ...
user avatar
0 votes
1 answer
310 views

Optimal Chebyshev FIR filters

I have many information i want to be clear very well . The defining characteristic of FIR filters optimal in the Chebyshev sense is that they minimize the maximum frequency-response error-magnitude ...
user avatar
  • 151
1 vote
1 answer
397 views

Question on Chebyshev filter

What does the output signal look like when you insert $2000 Hz$ square pulses to chebyshev filter with parameters: (Matlab syntax). I tried to do it like this but I don't understand where it goes ...
user avatar
  • 113