A fast digital phase shifter is described which yields accurate phase shifts for multiple-quantum NMR. It is sufficiently versatile for most relevant expts. in multiple-quantum spectroscopy. Alternative solns. for phase shifters are briefly compared. [on SciFinder (R)]
Jürgen Brugger, Giovanni Boero, Marco Grisi, Gaurasundar Marc Conley, Kyle Joel Rodriguez, Lukas Egli, Erika Riva