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Altera_Forum
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14 years ago

Gate level Simulation passes but design fails on target borad

Hello, I am implementing a filter (2nd order) in Quartus Stratix II device running at 500KHz. I simulated the design using ModelSim. My Target hardware consists of stratix II device. Input...
Altera_Forum's avatar
Altera_Forum
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14 years ago

You will need to consider Sinc envelope of your DAC (if low pass filter). This means low freq will not be attenuated but those near Nyquist will. i.e. there is inherent low pass filter in every DAC unless it has internal/external inverse sinc.