dual_tx=0; card=0; limeparms; active_rf = [1 1 0 0]; %rf_mode = (RXEN+TXEN+TXLPFNORM+TXLPFEN+TXLPF25+RXLPFNORM+RXLPFEN+RXLPF25+LNA1ON+LNAMax+RFBBNORM)*[1 1 1 1]; rf_mode = (RXEN+TXLPFNORM+TXLPFEN+TXLPF25+RXLPFNORM+RXLPFEN+RXLPF25+LNA1ON+LNAMax+RFBBNORM)*active_rf; rf_mode = rf_mode+(DMAMODE_RX*active_rf); %freq_rx = 2540000000*[1 1 1 1]; freq_rx = 1907600000*active_rf; %freq_rx = 1912600000*active_rf; %+ 2540000000*[0 1 0 0]; % + 859500000*[0 0 1 0]; %freq_rx = 1912600000*[1 1 1 1]; %freq_rx = 859500000*[1 1 1 1]; freq_tx = freq_rx; tx_gain = 0*[1 1 1 1]; rx_gain = 0*[1 1 1 1]; rf_local= rf_local*[1 1 1 1]; rf_rxdc = rf_rxdc*[1 1 1 1]; %rf_vcocal=rf_vcocal_859*[1 1 1 1]; rf_vcocal=rf_vcocal_19G*[1 1 1 1]; eNBflag = 0; tdd_config = DUPLEXMODE_FDD + TXRXSWITCH_TESTRX; %tdd_config = DUPLEXMODE_FDD + TXRXSWITCH_LSB; syncmode = SYNCMODE_FREE; rffe_rxg_low = 63*active_rf; rffe_rxg_final = 31*active_rf; rffe_band = B19G_TDD*active_rf; autocal = [1 1 1 1]; autocal = [1 1 1 1]; oarf_config_exmimo(card,freq_rx,freq_tx,tdd_config,syncmode,rx_gain,tx_gain,eNBflag,rf_mode,rf_rxdc,rf_local,rf_vcocal,rffe_rxg_low,rffe_rxg_final,rffe_band,autocal) gpib_card=0; % first GPIB PCI card in the computer gpib_device=28; % this is configured in the signal generator Utilities->System cables_loss_dB = 6; % we need to account for the power loss between the signa power_dBm = -95; %gpib_send(gpib_card,gpib_device,['POW ' int2str(power_dBm+cables_loss_dB) 'dBm']); %gpib_send(gpib_card,gpib_device,'OUTP:STAT ON'); % activate output s=oarf_get_frame(card); f = (7.68*(0:length(s(:,1))-1)/(length(s(:,1))))-3.84; spec0 = 20*log10(abs(fftshift(fft(s(:,1))))); spec1 = 20*log10(abs(fftshift(fft(s(:,2))))); spec2 = 20*log10(abs(fftshift(fft(s(:,3))))); spec3 = 20*log10(abs(fftshift(fft(s(:,4))))); clf plot(f',spec0,'r',f',spec1,'b',f',spec2,'g',f',spec3,'m') axis([-3.84,3.84,40,160]); %gpib_send(gpib_card,gpib_device,'OUTP:STAT OFF'); % activate output legend('Antenna Port 0','Antenna Port 1','Antenna Port 2','Antenna Port 3'); grid