arif iftikhar <arif.i84 <at> gmail.com> writes:

> 
> Hi all,
> i have started working with Fairwaves UmTRX 2.1 recently and stumbled 
on the output power issue with UmTRX.
> 
> i followed the steps mentioned in the "Testing UmTRX" wiki from here 
(https://github.com/fairwaves/umtrx_scripts/wiki/Testing-UmTRX).
> 
> all steps mentioned produce the expected results except the Test 
transmission from umtrx.
> 
> running following command gives unexpected Actual TX Gain: -28.000 dB 
> 
> tx_samples_from_file --rate 1083333 --freq 9550e5 --bw 1500000 --file 
multiframe_norm.dat --type float --loop--gain 18 --subdev A:0
> 
> 
> note --repeat does not work with Fairwaves version , its --loop for 
UHD-Fairwaves
> 
> following output is produced
> 
> 
> Setting RX Rate: 1.083333 Msps...
> Actual RX Rate: 1.083333 Msps...
> 
> Setting RX Freq: 951.200000 MHz...
> Actual RX Freq: 951.200000 MHz...
> 
> Setting RX Gain: 18.000000 dB...
> Actual RX Gain: -28.000000 dB...
> 
> Setting RX Bandwidth: 1500000.000000 MHz...
> Actual RX Bandwidth: 1500000.000000 MHz...
> 
> Waiting for "lo_locked": ++++++++++ locked.
> Press Ctrl + C to stop streaming...
> ^C
> Done!
> also when running complete osmo-nitb there is almost non-existing 
output power. 
> 
> appreciate any help.
> 
> Thanks,
> -- Arif 
> 

Actual RX Gain: -28.000000 dB.. is the problem.

and even when i try to set it from osmo-trx the actual value still 
remains -28dB and never changes.

Thanks,
arif



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