As high-speed serial data rates advance beyond 50 Gb/s, conventional logic-emulating non-return-to-zero (NRZ) signaling is being replaced by PAM4, a four-level pulse amplitude-modulation scheme. PAM4 ...
In computers, communications, and consumer electronics, the transition from parallel to high-speed serial-data transmission is creating new design challenges. Increasing data rates push more bits per ...
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