dc coupling

Placement, modules, components and accessories; the ones that exist and the the nice-to-be's
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mtcs
Posts: 1
Joined: Sat Jun 06, 2020 1:57 pm

dc coupling

Post by mtcs » Sat Jun 06, 2020 2:02 pm

Hi!
Is there DC coupling in REDPITAYA?
Thanks

awmlee
Posts: 5
Joined: Fri Dec 13, 2019 6:31 pm

Re: dc coupling

Post by awmlee » Thu Jun 25, 2020 12:48 am

For the fast ADC/DAC input/outputs on 125-14 (14 bit version) it is DC coupled:
https://redpitaya.readthedocs.io/en/lat ... astIO.html

For the fast ADC/DAC input/outputs on 122-16, it is not DC coupled -- and there is an isolation transformer present:

http://downloads.redpitaya.com/doc/Cust ... es1%29.PDF

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redpitaya
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Posts: 387
Joined: Wed Mar 26, 2014 7:04 pm

Re: dc coupling

Post by redpitaya » Tue Jul 07, 2020 12:02 pm

I confirm.

Boards with DC coupling:
STEMlab 125-10
STEMlab 125-14
SIGNALlab 250-12

NO DC coupling :
SDRlab 122-16 (old STEMlab 122.88-16)

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