Re: Oscilloscope waveform averaging

From: Ed Price (edprice_at_cox.net)
Date: 10/02/04 

Date: Fri, 1 Oct 2004 23:37:56 -0700

"AliasFan" <AliasFan@underground.com> wrote in message
news:cjk1ic$vuq$1@gargoyle.oit.duke.edu...
> and7@bigfoot.com (TekMan) wrote in
> news:6a624601.0410010203.25374010@posting.google.com:
>
>> shure it only 5 KHz?
>>
>>
>>
>> hth,
>> Andreas
>>
>
> The signal itself is from an ultrasound hyrophone, with interesting signal
> info in the 0-20MHz range, which is why I'm sampling at 250MS/sec. The
> ultrasound pulse (and trigger) come at 5kHz rate.
>
> -Greg

20 MHz seems incredibly high for mechanical transfer of energy in water.
What are you doing, and do you really need this bandwidth? Could you need be
related to viewing high-order artifacts of the transducer rather than an
actual propagated signal?

Ed
wb6wsn

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