Visible to Intel only — GUID: tlf1516406997274
Ixiasoft
Visible to Intel only — GUID: tlf1516406997274
Ixiasoft
3.1.1.2. Gray Encoder/Precoder
PAM4 patterns generated in PAM4 mode are gray encoded by default. The encoding is as follows:
Linear | Gray |
---|---|
00 | 00 |
01 | 01 |
10 | 11 |
11 | 10 |
The transmitter also includes a precoder that you can optionally enable for both PAM4 and NRZ signals. Once you turn it on, it performs 1/(1+D) encoding on all data bits until you disable it.