Hi Rensi: Well it looks like your device is being found. You should be able to run uhd_fft as such:
uhd_fft -f 103500000
This will centre the display on 103.5 MHz. If you have FM band broadcasters in
your region then you should see spikes on the fft display.
Give this a try and let me and the list know what you see.
Kevin
> On Sep 19, 2017, at 2:48 AM, Rensi Mathew <rensi...@yahoo.co.in> wrote:
>
>
> Hi Kevin
>
> When I try uhd_probe_devices, it is showing serial number and device B200.
>
> My machine is Intel i5-2400CPU @ 3.10 GHz
> The OS is Ubuntu 16.04
>
> I have installed GNU radio Companion on this.
>
> I will loook into the utility and reply.
>
> Thanking you
>
> Rensi
>
>
> On Monday, September 18, 2017 9:09 PM, Kevin McQuiggin <mcqui...@sfu.ca>
> wrote:
>
>
> Hi Renaissance:
>
> Your B200 isn't being found by your computer. Try the usrp_probe utility, I
> forget the exact name but it is in the same directory/folder as uhd_fft.
>
> The USB cable can sometimes be problematic as it has to be high quality, some
> cheap cables don't work as they are noisy or have poor connections.
>
> What type of computer and OS are you using? On Windows there are sometimes
> problems with the USB drivers.
>
> Don't worry about the eeprom at all, get the base unit working first.
>
> Let us know how you make out with the probe.
>
> Kevin
> Sent from my iPhone
>
> On Sep 18, 2017, at 03:54, Rensi Mathew <rensi...@yahoo.co.in
> <mailto:rensi...@yahoo.co.in>> wrote:
>
>> Hi Kevin
>>
>> when I try to run uhd_fft, I get the error
>>
>> RuntimeError: LookupError: KeyError: No devices found for ----->
>> Empty Device Address
>>
>> How can I assign a device address?
>>
>> I tried ./usrp_burn_mb_eeprom --args=addr --values="192.168.10.2" but it is
>> not working.
>>
>> Pl do help.
>> Thanking you
>>
>> Rensi
>>
>>
>> On Friday, September 15, 2017 9:12 PM, Kevin McQuiggin <mcqui...@me.com
>> <mailto:mcqui...@me.com>> wrote:
>>
>>
>> Hi Rensi:
>>
>> I’d suggest using the UHD utility programs that come with the B200. There
>> is a spectrum analyzer application, called uhd_fft, and a simple radio
>> receiver that can, for example, be used to test your unit with local
>> broadcast stations in the FM band. You’ll need a small antenna for one of
>> the SMA connectors. If you don’t have a proper antenna or connector, you
>> could simply stick a short piece of wire into the SMA connector for testing.
>>
>> For transmitting, an antenna is more critical as you shouldn’t really
>> transmit into an unconnected or mismatched antenna. I’d suggest looking
>> again at the utilities provided with either the B200 or gnuradio. You can
>> build a simple transmitter and use an “FM band” broadcast radio to receive
>> the transmissions from your USRP.
>>
>> I would also suggest going to the gnuradio.org <http://gnuradio.org/> web
>> site and working through the tutorial series. This will help you get
>> started!
>>
>> Kevin
>>
>>
>>> On Sep 15, 2017, at 3:27 AM, Rensi Mathew via USRP-users
>>> <usrp-users@lists.ettus.com <mailto:usrp-users@lists.ettus.com>> wrote:
>>>
>>> Hi all
>>>
>>> I have a single B200 with me and I want to test whether it is
>>> receiving/transmitting the signal properly.
>>> How can i test this?
>>>
>>> I am new to B200/SDRs and to programming too?
>>>
>>> Thanking you
>>> Rensi
>>> _______________________________________________
>>> USRP-users mailing list
>>> USRP-users@lists.ettus.com <mailto:USRP-users@lists.ettus.com>
>>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>>> <http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com>
>>
>>
>>
>
>
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