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-- Cut here -- Delivery-Date: Tue, 23 Nov 2004 16:15:26 -0500 From: [EMAIL PROTECTED] On Tue, Nov 23, 2004 at 08:19:48PM +0100, Christian Frisson wrote: > When it comes to consumer products, specifications are used to being awkward > in > order to sell more. I suppose they muddled up frequencies and samples on > purpose. Let alone repetive signals, the unit can acquire 1M of samples per > second for BOTH channels. Then divided by two, it can be considered as a > sampling frequency per channel (don't ask me about buffer sizes and so on to > write the right formula, it should match, or I'm totally wrong and please > correct me, I'm just figuring out a kind of plausible explanation ,-) and be > again divided by two to get the upper frequency of the measurement range: then > we get those 250 kHz! I'm not familiar with this product, but I'd expect the 250kHz to be the analog bandwidth [you know amplifiers etc. :-)] which is in principle unrelated and independent of ADC sampling rate [even though in a good design you try to match them] Berni
