Modeling an analog band pass filter in MATALB

Hi.

I have an analog bandpass filter whose frequency response is given by the manufacturer.

Along with the Passband and Stopbands, the data sheet indicates the insertion loss and Return loss (in dB) for each frequency (in MHz).

Now I would like to design a similar filter in MATLAB.

As I understand, it's not possible to achieve this goal using the "Filter design and Analysis Tool."

I tried to use the "design.arbmag" function, but I am unsure if this is the right path.

May I ask for some help with this?

Thanks.

[Star Strider]

Posting a PDF of the data sheet might be helpful. It would also be helpful to define the application in which you are using the filter, since that may also be important.

[Fernando]

Thank you for your reply.

I attached the data sheet.

The filter is used in a chain where signals are received by an antenna, amplified, fed into the filter, and then digitized by an ADC having a specific sample rate.

[Star Strider]

‘Along with the Passband and Stopbands, the data sheet indicates the insertion loss and Return loss (in dB) for each frequency (in MHz).’

The passbands and stopbands should be straightyforward to model using the designfilt function.

The Insertion and Reurn losses are likely driven by the hardware itself, so I doubt if those physical charactreristics would be possible to model in MATLAB.

[Fernando]

Ok. thanks. It seems that is the way to go.

[Star Strider]

My pleasure!