Re: [Discuss-gnuradio] RX Gain (UHD vs libusrp2)

On Mon, Mar 28, 2011 at 2:02 PM, Jason Abele <jason@ettus.com> wrote:
>> Even setting ADC-digital = 6.0, ADC-digital-fine = 0.5 and setting the
>> WBX-PGA0 to same value used with libusrp2
>> the result is not the same as in I'm losing something like 20 dB.
>> Is this expected ?
>
> Missing 20dB sounds like maybe you have the other antenna port
> selected.  Have you tried swapping antenna ports or using a call to
> set_rx_antenna() to explicitly select your antenna port?

You were right, indeed without the set_rx_antenna the selected antenna
was RX2 while I have connected the TX/RX, using the set_rx_antenna to
TX/RX I'm getting now the expected powers.

If I have to use the device as receive only do you suggest to use the RX2
connection ?

Regards
Gaetano mendola

--
cpp-today.blogspot.com

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