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I need to generate 3.3 V logic level Digital pulse train with NI PCI 6221. Can I change the output logic level of NI 6221 ?

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I need to generate 3.3 V logic level Digital pulse train with NI PCI 6221. Can I change the output logic level of NI 6221 ?

‎09-24-2009 12:10 PM

I need to generate 3.3 V logic level  Digital pulse train with NI PCI 6221. Can I change the output logic level of NI 6221 ?
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Re: I need to generate 3.3 V logic level Digital pulse train with NI PCI 6221. Can I change the output logic level of NI 6221 ?

‎09-24-2009 12:21 PM

The output can't be changed. 5V to 3.3V level shifters are readily available (Maxim, I think). As long as the slew rate (etc) is fast enough for your pulse train, even a 3.3V regulator would work. I'm not sure if NI offers a module to condition TTL levels.
Richard






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