U[mV],nu[Hz] 336,1588 320,1548 280,1518 240,1488 208,1458 192,1438 150,1418 128,1388 104,1348 314,1628 286,1658 256,1688 218,1728 190,1768 162,1818 144,1868 128,1928 108,2028