measure noise of SSI2V

matlab/run_test.m

@@ -12,16 +12,16 @@ Vn = data(:, 1);
 t  = data(:, end);
 
 %% Notes
-pre_amp = struct('coupling', 'DC A-B', ...
-                 'gain', 1000, ...
+pre_amp = struct('coupling', 'DC A', ...
+                 'gain', 50000, ...
                  'LPF', '6dB 0.1Hz', ...
-                 'input', 'PD200', ...
+                 'input', 'SSI2V (20bits, +/- 10V)', ...
                  'HPF', '6dB 30kHz');
 
-pd200 = struct('input', '50 Ohm', ...
+pd200 = struct('input', 'DAC', ...
                'load', '3 uF');
 
-notes = struct('pre_amp', pre_amp, 'pd_200', pd200);
+notes = struct('pre_amp', pre_amp);
 
 %% Save
-save('mat/noise_PD200_6_3uF_warmup.mat', 't', 'Vn', 'notes');
+save('mat/noise_preamp_5113_SSI2V.mat', 't', 'Vn', 'notes');

matlab/setup.m

@@ -1,2 +1,12 @@
 Fs = 20e3; % [Hz]
 Ts = 1/Fs; % [s]
+
+f0 = 1; % [Hz]
+f1 = 2e3; % [Hz]
+V0 = 1; % [V]
+t1 = 100; % [V]
+t = 0:Ts:t1;
+
+Vin = struct('time', t, ...
+    'signals', struct('values', V0*chirp(t, f0, t1, f1, 'logarithmic', -90)', ...
+                      'dimensions', 1));