measure PD200 TF for multiple voltages

matlab/run_test.m

@@ -8,7 +8,8 @@ close(f);
 %% Convert the Data
 data = SimulinkRealTime.utils.getFileScopeData('data/data.dat').data;
 
-Vn = data(:, 1);
+Vin = data(:, 1);
+Vout = data(:, 2);
 t  = data(:, end);
 
 %% Notes
@@ -19,9 +20,11 @@ pre_amp = struct('coupling', 'DC A', ...
                  'HPF', '6dB 30kHz');
 
 pd200 = struct('input', 'DAC', ...
+               'signal', 'sweep sine 0.1V 1Hz-5kHz', ...
+               'f_max', f1, ...
                'load', '3 uF');
 
-notes = struct('pre_amp', pre_amp);
+notes = struct('pd200', pd200);
 
 %% Save
-save('mat/noise_preamp_5113_SSI2V.mat', 't', 'Vn', 'notes');
+save('mat/tf_pd200_7_0_1V.mat', 't', 'Vin', 'Vout', 'notes');

matlab/setup.m

@@ -2,11 +2,16 @@ Fs = 20e3; % [Hz]
 Ts = 1/Fs; % [s]
 
 f0 = 1; % [Hz]
-f1 = 2e3; % [Hz]
-V0 = 1; % [V]
+V0 = 0.1; % Sweep Sine Amplitude [V]
+C = 2.7e-6; % Capacitance of the Load [F]
+Imax_rms = 0.57; % [A]
+
+f1 = 0.8*Imax_rms/(C*V0*20/sqrt(2))/2/pi; % [Hz]
+f1 = min(f1, Fs/4); % [Hz]
 t1 = 100; % [V]
 t = 0:Ts:t1;
 
 Vin = struct('time', t, ...
     'signals', struct('values', V0*chirp(t, f0, t1, f1, 'logarithmic', -90)', ...
                       'dimensions', 1));
+