A previous article on jitter (Synch and clock recovery – an analog guru looks at jitter) defined jitter and its various sub-components.The purpose of this note is to answer the question, “So now that ...

As pointed out in the comments section of my previous blog post, Tx BER testing can only go so far in predicting the BER of a system. For rigorous Rx ...

To simulate an error, let’s alter the third bit from 1 to 0. Now the received data looks like Figure 2 , with differences in red: We can see that the second calculated ECC bit doesn’t match ...

Hence, on-die ECC provides further protection against single-bit errors inside the DDR5 memory arrays. As this scheme does not offer any protection against errors occurring on the DDR channel, on-die ...

2. Keysightâ s M8040A 64-Gbaud high-performance BERT for PAM-4 and NRZ allows for simplified and accurate receiver characterization. (Courtesy of Keysight Technologies) ...

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There are “chip-kill” DIMM/mobo combinations that can detect and correct 4 bit errors, but few vendors make those. Besides costing more, ECC DIMMs are about 3-5% slower than unprotected DIMMs.