They have an example circuit and describe how it compensates for the AC coupling capacitors.
On Wednesday, February 9, 2022, Fabian Schwartau <
fabian@opencode.eu> wrote:
Besides hardware-hacking a sound card, you may also use some USB oscilloscope, in combination with sigrok-cli and its --continuous flag. I have never used this, but I guess there is a way to stream this data to gnuradio. Note that not every hardware supports this --continuous feature! Sadly the Wiki does not tell you which one does, so you have to look into the source code:
https://github.com/sigrokproject/libsigrok/tree/master/src/hardware
and search for the flag SR_CONF_CONTINUOUS to find a working hardware. Also, the sigrok.org website is down since a few days and the wiki is not available, which would help to match a drivers name to an actual device.
Fabian
Am 09.02.22 um 19:07 schrieb vittben@pm.me:
Good evening everybody
I'm looking for a sampling device, GNURADIO compatible, with low sample rate ( max 50 KHz ) AND frequency response down to 1 Hz, so sound cards aren't the choice.
Any suggestion ???
Tnx in advance :-)
Vittorio
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