* Hartley's law* Nyquist ISI criterion* Reconstruction from zero crossings* Zero-order hold==Notes====References==* J. R. Higgins: "Five short stories about the cardinal series", Bulletin of the AMS 12(1985)*V. A. Kotelnikov, "On the carrying capacity of the ether and wire in telecommunications", Material for the First All-Union Conference on Questions of Communication, Izd.
==Bibliografia==* J. R. Higgins: "Five short stories about the cardinal series", Bulletin of the AMS 12(1985)* V. A. Kotelnikov, "On the carrying capacity of the ether and wire in telecommunications", Material for the First All-Union Conference on Questions of Communication, Izd.