Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

LPM_mult : dynamic reduction with signed number

Hello, I’m using a very simple setup configuration with quartus 2 and cyclone III : full scale analog signal - - > CAN 14 bit -- > DAC 14 bit : OK no distortion After that I add a LPM_m...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I suggest to play around with a pocket calculator to understand the problem and possible solutions. To get exact factor 1 multiply, you need an extra bit in scaling factor.