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rf frequency downconverter mixer in simulink

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salma shabayek

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Hey all,

I'm trying to model a frequency downconverter mixer on simulink.
The input is 2Ghz mixed with LO=1.96G. the sample time i put is 0.01e-9 and the solver with a fixed step.
unfortunately the output frequency is the same as the input frequency.
I attached the model.

Can anyone help?
Thanks
 

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  • mixer.bmp
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