Minor changes from lab pc

Classes/05_Lab/AwgKeysight.m

@@ -220,10 +220,10 @@ classdef AwgKeysight
                     v = visadev('TCPIP0::zizou.tf.uni-kiel.de::hislip0::INSTR');
                 case awg_model.M8199B
                     v = visadev('TCPIP0::localhost::hislip0::INSTR');
+                case awg_model.M8199A
+                    v = visadev('TCPIP0::Zizou::hislip2::INSTR');
                 case awg_model.M8199A_ILV
-                    v = visadev('TCPIP0::Zizou::hislip0::INSTR');
+                    v = visadev('TCPIP0::Zizou::hislip2::INSTR');
-                case awg_model.M8199A_ILV
-                    v = visadev('TCPIP0::Zizou::hislip0::INSTR');
             end
 
             debug = 0;
@@ -327,13 +327,13 @@ classdef AwgKeysight
 
             elseif obj.model == awg_model.M8199B || obj.model == awg_model.M8199A || obj.model ==  awg_model.M8199A_ILV
 
-                    % SET Ref clock out (which is conn. to scope) to 10 MHz
+                    % SET Ref clock out (which is conn. to scope) to 100 MHz
-                    obj.writeNcheck(v, ':OUTPut:FREQuency ''M1.RefClkOut'',10000000');
+                    obj.writeNcheck(v, ':OUTPut:FREQuency ''M1.RefClkOut'',100000000');
 
                     % :OUTP:GLOB 'M1.System', OFF
                     obj.writeNcheck(v, ':OUTP:GLOB ''M1.System'', ON');
                     obj.writeNcheck(v, ':OUTP:GLOB ''M2.System'', ON');
-                    %obj.writeNcheck(v,':INIT:IMMediate ''M2''');
+                    obj.writeNcheck(v,':INIT:IMMediate ''M2''');
             end
 
             % operation ceomplete (opc)

Classes/05_Lab/OptAtten.m

@@ -276,7 +276,7 @@ classdef OptAtten < handle
                     cnt = cnt+1;
                 end
 
-                fprintf("\n SET: CH1 %.2f dB   | CH2: %.2f dB   | CH3: %.2f dB  | CH4: %.2f dB\n",obj.value_state(1), obj.value_state(2), obj.value_state(3), obj.value_state(4));
+                fprintf("\n Pset: CH1 %.2f dB   | CH2: %.2f dB   | CH3: %.2f dB  | CH4: %.2f dB\n",obj.value_state(1), obj.value_state(2), obj.value_state(3), obj.value_state(4));
                 fprintf(" ATT: CH1 %.2f dB    | CH2: %.2f dB     | CH3: %.2f dB    | CH4: %.2f dB\n",obj.atten_state(1), obj.atten_state(2), obj.atten_state(3), obj.atten_state(4));
                 fprintf(" POW: CH1 %.2f dBm | CH2: %.2f dBm | CH3: %.2f dBm | CH4: %.2f dBm \n \n",obj.power_state(1), obj.power_state(2), obj.power_state(3), obj.power_state(4));
 

Functions/Lab_helper/measureMZMtransferfunction.m

@@ -0,0 +1,54 @@
+
+% Measure Bias Curve of Modulator
+% 1) Loop over bias volate
+% 2) measure voltgae, current and input laser power and output laser power
+
+
+v_bias_range = [0:0.25:8];
+v_bias_meas = NaN(size(v_range));
+i_bias_meas = NaN(size(v_range));
+p_out_meas = NaN(size(v_range));
+
+%% DC Source
+dcs = DC_supply("active",[1,0],"voltage",[0, 6]);
+
+
+%% Optical Attenuator
+voa = OptAtten("active",[0,0,2,0],"value",[0,0,0,0],"wavelength",[1550,1550,1550,1550]);
+voa.set('value',[0,0,2,0]);
+voa.readvals();
+
+for i = 1:numel(v_bias_range)
+
+    dcs.set('voltage',[v_bias_range(i),6]);
+    % pause(1);
+
+    [p1,p2,p_out_meas(i),p4]= voa.readPower;
+    [v_meas,i_meas] = dcs.readVals;
+    v_bias_meas(i)=v_meas(1);
+    i_bias_meas(i)= i_meas(1);
+
+    figure(1)
+    clf
+    subplot(2,1,1)
+    hold on
+    plot(v_bias_meas,p_out_meas,'DisplayName','MZM TF in dB');
+    xlabel('V_{bias} in V');
+    ylabel('P_{out} in dBm');
+    grid on
+    xlim([min(v_bias_range), max(v_bias_range)])
+
+
+    subplot(2,1,2)
+    hold on
+    plot(v_bias_meas,db2pow(p_out_meas),'DisplayName','MZM TF in mW');
+    xlabel('V_{bias} in V');
+    ylabel('P_{out} in mW');
+    grid on
+    xlim([min(v_bias_range), max(v_bias_range)])
+
+end
+
+
+
+

projects/Lab_base_system/test_device_control.m

@@ -1,44 +1,45 @@
 
 %% DC Source
-desired_voltage = 2.1;
+desired_voltage = 2.8;
 dcs = DC_supply("active",[1,0],"voltage",[desired_voltage, 0]);
 dcs.set("voltage",[desired_voltage, 0]);
 [v,i]=dcs.readVals();
 
 %% Laser
+desired_wavelength = 1310;
 laser = Exfo_laser("mainframe_channel",1,"safety_mode",0,"connection_id",'10','lab_interface','gpib');
-laser.setWavelength(1311);
+laser.setWavelength(desired_wavelength);
-laser.setPower(0);
+laser.setPower(10);
 laser.enableLaser();
 
 %% Optical Attenuator
-voa = OptAtten("active",[2,0,0,0],"value",[-5,0,0,0],"wavelength",[1310,1310,1310,1310]);
+voa = OptAtten("active",[0,0,2,0],"value",[0,0,-5,0],"wavelength",[desired_wavelength,desired_wavelength,desired_wavelength,desired_wavelength]);
-voa.set('value',[-5,0,0,0]);
+voa.set('value',[0,0,3,0]);
-voa.readvals();
 
 %% Construct AWG and Scope Modules %%%%%%
 fdac        = 256e9;
 fadc        = 160e9;
-Scp = ScopeKeysight("model","DSAZ634A",'autoscale',1,"fadc","GSa_160","channel",[0,0,1,0],"recordLen",4000000,"removeDC",1,"extRef",0);
+Scp = ScopeKeysight("model","DSAZ634A",'autoscale',1,"fadc","GSa_160","channel",[0,0,1,0],"recordLen",4000000,"removeDC",1,"extRef",1);
-Awg = AwgKeysight("model","M8199A_ILV","fdac",fdac,"scaletodac",[1,1],"skews",[0,0],"voltages",[0,0.1]);
+Awg = AwgKeysight("model","M8199A_ILV","fdac",fdac,"scaletodac",[1,1],"skews",[0,0],"voltages",[0,0.8]);
-A2S = Awg2Scope(Awg,Scp,[0,3,0,0],"waitUntilClick",0); %
+A2S = Awg2Scope(Awg,Scp,[0,0,3,0],"waitUntilClick",0); %
 
 %%%%% Symbol Generation %%%%%%
 fsym = 56e9;
 M = 4;
-rcalpha     = 0.05;
+rcalpha = 0.2;
 Pform = Pulseformer("fsym",fsym,"fdac",4*fsym,"pulse","rrc","pulselength",16,"rrcalpha",rcalpha);
 
 Pamsource = PAMsource(...
-    "fsym",fsym,"M",M,"order",17,"useprbs",0,...
+    "fsym",fsym,"M",M,"order",17,"useprbs",1,...
     "fs_out",fdac,...
-    "applyclipping",0,"clipfactor",1.5,...
+    "applyclipping",0,"clipfactor",4,...
-    "applypulseform",0,"pulseformer",Pform,...
+    "applypulseform",1,"pulseformer",Pform,...
     "randkey",1,...
     "db_precode",0,"db_encode",0,...
     "mrds_code",0,"mrds_blocklength",512);
 
 tx_signal = Pamsource.process();
+tx_signal.spectrum("displayname",'Tx Spectrum','fignum',10,'normalizeTo0dB',0);
 
-A2S.process("signal2",tx_signal);
+[S1,S2,S3,S4] = A2S.process("signal2",tx_signal);
-
+S3.spectrum("displayname",'Rx Spectrum','fignum',10,'normalizeTo0dB',0);