f_2 = 0.33 kHz f_2 = 1 kHz f_2 = 3.3 kHz f_2 = 10 kHz f_2 = 33 kHz f_2 = 100 kHz G_2 = 10000 G_2 = 10000 G_2 = 5000 G_2 = 3000 G_2 = 1500 G_2 = 1000 f_1/Hz U_met/V U_met/V U_met/V U_met/V U_met/V U_met/V 30 0.02 0.05 0.01 0.01 0.01 0.01 100 0.02 0.05 0.004 0.01 0.01 0.01 300 0.01 0.02 0.03 0.01 0.03 0.01 1000 0.006 0.01 0.01 0.01 0.01 0.01 3000 0.001 0.003 0.004 0.01 0.01 0.01