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Many changes for 400G DSP

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Minimal Example
...
This commit is contained in:
sioe
2024-12-17 16:17:58 +01:00
parent 397cfa61dd
commit e47a4dbbbe
68 changed files with 2749 additions and 2948 deletions
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10
Classes/01_transmit/AWG.m
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@@ -8,6 +8,7 @@ classdef AWG < handle
upsampling_method
repetitions %repeat the signal to generate a longer sequence?
fdac %needed
precomp_sinc_rolloff = 1;
normalize2dac %want to normalize at first? either 0 or 1
bit_resolution %bit res. of quantizer (e.g. 5 bit)
dac_min
@@ -33,7 +34,8 @@ classdef AWG < handle
arguments
options.kover = 16;
options.upsampling_method upsampling_mode
options.upsampling_method upsampling_mode = upsampling_mode.samplehold;
options.precomp_sinc_rolloff = 1;
options.repetitions = 1;
options.normalize2dac = 1;
options.fdac = 92e9;
@@ -43,7 +45,7 @@ classdef AWG < handle
options.skew_active = 0;
options.awg_skew = 0;
options.lpf_active = 0;
options.lpf_type = 0;
options.lpf_type = filtertypes.butterworth;
options.f_cutoff = 32e9;
options.H_lpf Filter
@@ -95,7 +97,7 @@ classdef AWG < handle
signalclass_in = obj.H_lpf.process(signalclass_in);
else
%4.B) just use a standard filter
lpf = Filter('filtdegree',5,"f_cutoff",obj.f_cutoff,"fsamp",obj.kover*obj.fdac,"filterType",obj.lpf_type);
lpf = Filter('filtdegree',5,"f_cutoff",obj.f_cutoff,"fs",obj.kover*obj.fdac,"filterType",obj.lpf_type);
signalclass_in = lpf.process(signalclass_in);
end
end
@@ -133,7 +135,7 @@ classdef AWG < handle
obj.signal_length = length(data_in);
%%%%%%%%% PRECOMP SINC ROLLOFF %%%%%%%%%
if 1
if obj.precomp_sinc_rolloff
% X: design FIR filter for sinc precomp
% https://www.dsprelated.com/showarticle/1191.php
ntaps = 13;

6
Classes/01_transmit/PAMsource.m
View File

@@ -151,6 +151,12 @@ classdef PAMsource
sym_max = max(symbols.signal);
end
% symbols.move_it_spectrum("fignum",222,"displayname","Symbols only");
% symbols.spectrum("fignum",222,"displayname","Symbols only","normalizeTo0dB",1);
%%%%% Pulse-forming %%%%%%
if obj.applypulseform
digi_sig = obj.pulseformer.process(symbols);