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Altera_Forum's avatar
Altera_Forum
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16 years ago

Low voltage for output from Cyclone III starter kit

Hello, I am looking for some advice - hopefully i have made a schoolboy error. I have a problem with an output from a cyclone III starter kit. I have written a very basic block of cod...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

The FPGA output waveform is surely not a sine. So if you see a sine, there's apparently either a lowpass filter in your oscilloscope or the signal isn't transmitted with full bandwidth to the oscilloscope. In this case, the shown amplitude is meaningless.