On 2011-10-31, at 6:39 AM, Spehro Pefhany wrote: > At 01:47 AM 10/31/2011, you wrote: >> Hi all, >>=20 >> Now that I know how to transfer to the computer at high speeds (via >> FT232H), and have some solid FPGA groundwork down, I'm trying to make an >> analog signal analyzer with a parallel interface ADC. I'm looking to sam= ple >> signals no more then 1MHz (and at most up to 5V), so I thought I'd choos= e a >> part of at least 5MSPS. >>=20 >> http://www.linear.com/product/LTC1405 >>=20 >> This chip looks good. Not too expensive, 12 bit, 5MSPS, simple parallel >> interface. But it also says 100MHz full power bandwidth sampling. I don'= t >> understand, if it can sample at 5MSPS, how can it sample a 100MHz signal= ? >=20 > How? How what? > The tacq for that ADC is 50ns. Why would you want to? You can sample > a 100MHz signal at 5MSPS and still be above The Shannon-Nyquist if the si= gnal > is band-limited. Please explain. I don't understand what you're saying. Band limited to what= ? --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .