Pre-filter signal compensation offsets low-pass attenuation, preserving transmission distance and throughput under EMI limits.
Threshold-based pulse injection trims PAM baseband peaks, improving amplifier power efficiency without degrading spectral density or in-band quality.
Alternating 8-level and 4-level PAM cuts adjacent-channel crosstalk in high-speed links while preserving transfer rate and signal integrity.
Linear-fitted waveforms measure PAM4 transition times via 20% to 80% voltage thresholds, resolving noise and jitter issues in high-speed signaling.