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One more question about pspice model for transformer

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winglj

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Hi, I have a question about the pspice model and real-world transformer.

It seems in Pspice, the transformer are modeled by two self-inductance and mutual-inductance, but in the real-world transformer datasheet (I am now using 42IF101), the turns ratio, quality factor, and one inductance are given.

I am not sure the relationship of these parameters.

And more importance is that there is a control screw on the 42IF101, I am not sure what it is used for.... Does it change the mutual coupling and k for the transformer, or change the turn ratio?

Thanks very much
 

You can see the equation about these parameters in Electric Engineer handbook
 

Hi,

Have a look there :

h**p://hem.passagen.se/communication/ifcan.html

This link describes how IF transformer works

Look at also this page

h**p://hem.passagen.se/communication/quadcoil.html

Replace * by t
 

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    winglj

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