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Re: [Discuss-gnuradio] offset at input of LF_RX

From: ematlis
Subject: Re: [Discuss-gnuradio] offset at input of LF_RX
Date: Thu, 21 Jun 2007 20:40:44 -0400 (EDT)

On Thu, 21 Jun 2007, Matt Ettus wrote:

Oddly enough, usrp_oscope.py doesn't show any DC bias whatsoever,
regardless of what offset I put into the function generator.  Maybe
it's removed inside the flow-graph?

DC offset is automatically removed in hardware, but you can turn that
feature off.

Can you explain that in more detail, please?  Do you have a capacitor
is series with the signal flow to remove any dc?

It is done digitally.

Is there a software flag in the code I can switch off?  If so, where?



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