Excite with one 90° pulse and record the free induction decay.
Checked against R. R. Ernst, W. A. Anderson, Rev. Sci. Instrum. 37, 93–102 (1966), doi:10.1063/1.1719961; Bruker pulse program zg.
Process NMR spectra in NMRium and draw pulse sequences, from a library of standard experiments or column by column, and save both as figures that open again. The site needs JavaScript, because every spectrum and figure is handled in your browser.