Solution needed for long time spectrum logging 10KHz - 1 MHz

 
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Thomas
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PostPosted: Tue Jun 29, 2004 7:58 am    Post subject: Solution needed for long time spectrum logging 10KHz - 1 MHz Reply with quote
Hi,

as one of our products seems to be influenced by local & temporary EMC problem we want to know more what is going on.
We already identified the frq range but we would like to know a bit more about the characteristic of the spectrum and date and time

Specs:
Freq range 10KHz to 1MHz
Dynamic better 30 dB
Bandwidht 3KHz would be fine

We would like to do a data logging on site of the spectrum, so I also would like to know if we can do a logging on trigger (trigger condition would be if there is any signal in the monitored frq range exceeding the threshold)

So my question would be if we can do this with your DSO and if yes which oner you would recommend.

Best Regards

Thomas
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markspencer
Site Admin
Site Admin


Joined: 07 May 2003
Posts: 610

PostPosted: Tue Jun 29, 2004 8:59 am    Post subject: Reply with quote
Hi,

Thank you for your post.

From the description of your requirements I belive that the ADC-200/20 would suit your needs. This is an 8 bit unit, that has a maximum sample rate of 10Msamples per second and 8kSample buffer per channel. In the spectrum you are able to use 512, 1024 FFT points that will keep the bandwidth below 3kHz.

For full specifications please see this link:

http://www.picotech.com/pc_based_oscilloscope.html

A possible alternative unit would be the ADC-212/3.

http://www.picotech.com/digital_oscilloscope.html

Please do not hesitate to contact me again.

Best regards,
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