Frequency response

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Roberto Gomez
Roberto Gomez 2011-2-16
编辑： John Kelly 2015-2-27
Hello,
i have designed a simple filter with a operational (a buffer). I have used Simscape (simulink). Now i want to know the response in frequecy (Bode diagrams) of this, my problem is that i do not know how to get diagrams.
Thanks.
  1 个评论
Vieniava
Vieniava 2011-2-16
paste code with your filter design, please

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采纳的回答

Arnaud Miege
Arnaud Miege 2011-2-28
编辑：John Kelly 2015-2-27
Yes, it is possible. You need to linearize the model around an operating point to obtain a state-space representation, from which you can generate a Bode plot. Have a look at the SimElectronics demo entitled Small-Signal Frequency-Domain Analysis in the help browser, under SimElectronics -> Demos -> Generic Circuits.
There are other resources in the Simscape documentation:
Hope this helps,
Arnaud

更多回答（2 个）

Rajiv Singh
Rajiv Singh 2011-2-28
See also "frestimate".
Roberto Gomez
Roberto Gomez 2011-2-16
I have only the diagram of the buffer 1 current source (100mA/50Hz),1 resistor (18ohm), 1 capacitor (1microF) and 1 operational amplifier in Simscape and i want to get bode diagrams. It is possible?

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