Begin with High Speed Measurement

Tests/05_Lab/Scope_minmal_test.m

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+
+
+
+ SCP = ScopeKeysight("model","UXR1104B",'autoscale',0,"fadc","GSa_256","channel",[1,0],"recordLen",2000000,"removeDC",1);
+
+ scpe_sig_cell = SCP.read();

Tests/05_Lab/awg_minimal.m

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+
+
+M           = 4;
+usemrds     = 0;
+fsym        = 68e9;
+fdac        = 256e9;
+awg_vpp     = 0.1;
+rrcalpha    = 0.05;
+
+%%%%% Construct AWG and Scope Modules %%%%%%
+SCP = ScopeKeysight("model","UXR1104B",'autoscale',0,"fadc","GSa_256","channel",[0,0,0,1],"recordLen",2000000,"removeDC",1);
+AWG = AwgKeysight("model","M8199B","fdac",fdac,"scaletodac",[1,1],"skews",[0,0],"voltages",[awg_vpp,0]);
+A2S = Awg2Scope(AWG,SCP,[0,0,0,1]);
+
+%%%%% Symbol Generation %%%%%%
+Pform       = Pulseformer("fsym",fsym,"fdac",4*fsym,"pulse","rrc","pulselength",16,"rrcalpha",rrcalpha);
+
+[Digi_sig,Symbols,Bits] = PAMsource("fsym",fsym,"M",M,"order",19,"useprbs",1,...
+    "fs_out",fdac,"applyclipping",0,"clipfactor",1.7,...
+    "applypulseform",0,"pulseformer",Pform,"randkey",pn_key,...
+    "db_precode",db_precode,...
+    "mrds_code",usemrds,"mrds_blocklength",512,"db_encode",db_coding_approach).process();
+
+%%%%% Resample to DAC rate %%%%%%
+Digi_sig = Digi_sig.resample("fs_out",AWG.fdac);
+
+Digi_sig = Filter('filtdegree',5,"f_cutoff",1.1*(fsym/log2(M)),"fs",Digi_sig.fs,"filterType",filtertypes.gaussian).process(Digi_sig);
+
+
+%%%%% AWG --> Scope %%%%%%
+[Scpe_sig,~,~,~] = A2S.process("signal1",Digi_sig);
+
+Scpe_sig.plot('displayname','Signal from Scope','fignum',10);
+Scpe_sig.spectrum("displayname","Scope PSD","fignum",20);