[Hackrf-dev] I Q signal on Oscilloscope

Dominic Spill dominicgs at gmail.com
Sun Mar 13 05:26:55 EDT 2016


On 13 March 2016 at 07:01, ERNEST MATEY <ernestmatey310 at gmail.com> wrote:
>
> I purchased HackRf one about a month ago. It is a great receiver.
> However for my application, I need to analysis I Q signals on oscilloscope.
> How can I get these two signals from the hackRF board
>
> The Q signal on one channel, and I signal on another channel.
> How can I achieve this from the board?

The P9 header on the board allows you to access the baseband [1].
You'll need to make sure that the levels are appropriate for your
scope, but I would imagine that they should be fine.  You can see the
hardware design files in the HackRF repository[2], and you should
consult those for the pin connections.

Thanks,
  Dominic

[1] https://github.com/mossmann/hackrf/wiki/HackRF-One#expansion-interface
[2] https://github.com/mossmann/hackrf/


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