Generation and inspection of quaternary pseudo-random binary sequences

摘要

Apparatus (100, 200) and method (160, 270) generally relate to the generation and testing of quaternary pseudo-random binary sequences (“QPRBS”). Within such an apparatus (100) is a pseudo-random binary sequence (PRBS) generator (10) configured to receive a seed (111) of the generated PRBS (14). The mask generator (110) is configured to generate a mask output (115) corresponding to the PRBS (14). Both the PRBS generator (10) and the mask generator (110) are configured to operate sequentially relative to each other. A masking circuit (117) is configured to receive the mask output (115) and PRBS (14), bit mask the PRBS (14) with the mask output (115), and generate a QPRBS (105). Yes.