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FSK Modulation

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Is there a way to create a voltage source that can do FSK Modulation in a transient simulation? Thank you in advance, -Vijay
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  • Andrew Beckett

    Normally you'd do this kind of thing by writing a Verilog A model. There are examples of similar ideas in the rfLib library which can be found at <ICinstDir>/tools/dfII/samples/artist/rfLib . If you look in the measurement category, you'll find models such as gmsk. There's also (I just noticed) a gfsk model (unfortunately not much in the way of comments in the code) in the RF_components category. However, this is covered in the "Virtuoso Spectre Circuit Simulator RF Analysis Library Reference Manual" <ICinstDir>/doc/rflibrary/rflibrary.pdf so it may be what you want, or at least a good starting point.There are also other models in the WDCMA_components category which you could probably borrow ideas from.

    Regards,

    Andrew.

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  • Andrew Beckett

    Normally you'd do this kind of thing by writing a Verilog A model. There are examples of similar ideas in the rfLib library which can be found at <ICinstDir>/tools/dfII/samples/artist/rfLib . If you look in the measurement category, you'll find models such as gmsk. There's also (I just noticed) a gfsk model (unfortunately not much in the way of comments in the code) in the RF_components category. However, this is covered in the "Virtuoso Spectre Circuit Simulator RF Analysis Library Reference Manual" <ICinstDir>/doc/rflibrary/rflibrary.pdf so it may be what you want, or at least a good starting point.There are also other models in the WDCMA_components category which you could probably borrow ideas from.

    Regards,

    Andrew.

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