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
