ADC Full scale Voltage

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dzuliani
Posts: 5
Joined: Mon Dec 15, 2014 3:53 pm

ADC Full scale Voltage

Post by dzuliani » Wed Dec 17, 2014 11:02 am

Dear all,
I'm currently dealing with the red pitaya RF inputs and I found something confusing inside the documentation. I've bought the device from RS components and on their web site two pdf are available:
- "Red Pitaya User manual" which reports a full scale voltage of +/-1V or +/-20V (jumper configurable)
- "Red Pitaya Hardware Specification V1.1.1" which reports a full scale voltage of 2Vpp or 46Vpp (jumper configurable)
Which is the real limit for the higher configuration? +/-20V (40Vpp) or 46Vpp?
Thanks in advance.
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edgo
Posts: 34
Joined: Wed Jun 25, 2014 11:38 pm

Re: ADC Full scale Voltage

Post by edgo » Wed Dec 17, 2014 6:44 pm

46V must be a typo ... 40V would be correct
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dzuliani
Posts: 5
Joined: Mon Dec 15, 2014 3:53 pm

Re: ADC Full scale Voltage

Post by dzuliani » Thu Dec 18, 2014 12:40 pm

edgo wrote:46V must be a typo ... 40V would be correct
Thanks!
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Apfelbutze
Posts: 1
Joined: Wed Mar 18, 2015 6:31 pm

Re: ADC Full scale Voltage

Post by Apfelbutze » Fri Mar 20, 2015 3:29 pm

Regarding this thread:
whats the max input voltage and scaling (V/div) with a x10 test probe.
thanks!
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Nils Roos
Posts: 1441
Joined: Sat Jun 07, 2014 12:49 pm
Location: Königswinter

Re: ADC Full scale Voltage

Post by Nils Roos » Mon Mar 23, 2015 12:53 am

With a 10x attenuating probe and HV jumper settings you have a measuring range of +/- 200V.
The scope app's maximum V/div with these settings is 100V/div .
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