How to use the variable fractional delay in Simulink?

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Debraj
Debraj 2012-11-11
I'm having trouble using the variable fractional delay. I have a discrete sine wave going into the "Delay" port. I enabled sample time colors and verified that all my inputs to the delay block are discrete.
Despite this, I keep getting an error that says I should be using dsicrete time samples only. What could I be missing here?
I'm trying to build this but haven't been successful so far.
Thanks.
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Debraj
Debraj 2012-11-14
I figured it out. MATLAB seems to pull up this error when there's a mismatch in the sampling rates of various sources in the design.
I set a common sampling rate of 25kHz(could be anything).
Under Simulink parameters, I made the step size fixed and changed the solver to discrete.
The model worked after that.

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