How can I get a bode plot from buck converter circuit schematic?

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Olgun Erdogan on 23 Jan 2018

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Answered: Abhishek Ballaney on 6 Mar 2018

Hi,

I've simulated the following circuit (https://ibb.co/kOY2Bw) and tried to draw the bode plot with the input and outputs shown in the circuit schematic. However, as seen in linear analysis tool (https://ibb.co/iw5M4G), I couldn't do it. Can you explain why I can't get bode plot properly?

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Olgun Erdogan on 23 Jan 2018

buck_bode.zip

Here is my model.

SimTec on 5 Mar 2018

hello Nicolas, I have the same problem and my PWM block is just a Matlab function .how do we linearized it then?

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Abhishek Ballaney on 6 Mar 2018

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https://uk.mathworks.com/matlabcentral/answers/378501-how-can-i-get-a-bode-plot-from-buck-converter-circuit-schematic#answer_308611

https://in.mathworks.com/discovery/bode-plot.html

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