Can I find the corresponding LC parameters in RF Blockset 1.0.2 (R14SP1) given the filter parameters?

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MathWorks Support Team 2009-6-27

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https://ww2.mathworks.cn/matlabcentral/answers/96200-can-i-find-the-corresponding-lc-parameters-in-rf-blockset-1-0-2-r14sp1-given-the-filter-parameters

I have an LC filter that I am trying to create using RF Blockset 1.0.2 (R14SP1). I know the parameters of my filter in the frequency domain, but I need to find the corresponding LC parameters to realize my filter. Is there a way to convert my frequency-domain parameters to LC parameters?

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Answer 1

MathWorks Support Team 2009-6-27

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https://ww2.mathworks.cn/matlabcentral/answers/96200-can-i-find-the-corresponding-lc-parameters-in-rf-blockset-1-0-2-r14sp1-given-the-filter-parameters#answer_105553

bpf_des2.m

The ability to calculate LC parameters from frequency-domain parameters is not directly available in the RF Blockset. However, the attached file bpf_des2.m gives an example of how to convert a bandpass filter to LC parameters. To run this example:

1. Download bpf_des2.m using the link below.

2. Run bpf_des2. This file converts the frequency domain parameters of the filter. The output of this file is the L and C parameters needed for the equivalent LC filter.