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Altera_Forum
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15 years ago

Unwanted offset attenuation in FIR filters

My FIR is now working so far - thanks to Altera Guru "MSchmitt" - but I still have two problems left. Please have a look at the attached pictures - there is an unwanted offset attenuation of 6dB in t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I'm using the following:

* DSP Development Kit Stratix III Edition EP3SL150N

* HSMC Card with two ADC 14bit and two DAC 14bit

* Quartus 8.0 mit SP1 (subscription edition)

* mini circuits SLP-50+ alias filter

The design file is attached ...