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signals in SystemVue

Question asked by rcl on Mar 22, 2011
Hi all.
Somebody knows how can I convert a real signal to envelope signal? I have tried it using ''CxtoEnv'' token but doesn't work. I want to use ''demodulator'' token but it can't handle real signals. Always appear the following error: Demodulator ''design_D1'': Implementation limit: cannot handle a real signal.

When I use CxtoEnv before demodulator token, appear the following error: quad_output of Modulator `Design1__M1': Automatic type conversion from ENVELOPE to COMPLEX is not supported.  You may manually insert appropriate converter(s) or correct the design.

Regards.  

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