Non-return-to-zero (NRZ), non-return-to-zero-inverted (NRZI), return-to-zero (RZ), and Manchester are popular serial encoding mechanisms. Each has different characteristics that make it useful in ...
David Maliniak of Teledyne LeCroy wrote an excellent article in 2016 that explained the fundamentals of PAM4. We want more data and we want it faster, Maliniak says. NRZ encoding is not fast enough ...