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Altera_Forum's avatar
Altera_Forum
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16 years ago

DSP cycloneII dev. kit : how to remove dac transformer ?

I'm trying to get some low frequency signals from DAC converter. It's not possible because of T1 transformer cutoff frequency What is the frequency - bandpass ? Why this transformer ? How to...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

You didn't specify additional requirements for signal output, but you can add a negative offset current to the single ended output to create a bipolar signal. Of course an output amplifier provides more options.

I'm not aware of suitable DC capable high speed AD/DA board, you may want to design your own hardware according to your needs.