data = [10  160;
        1e2 460;
        1e3 512;
        1e4 1160;
        1e5 490];
semilogx(data(:,1),data(:,2)); hold on;
semilogx(data(:,1),data(:,2),'o','markersize',4);
xlabel('Drive frequency in Hz');
ylabel('V_{pp} of modulated signal');