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Appendix F: Miscellaneous
AWG2021 User Manual
FĆ7
Pattern Codes
On the AWG2021, it is possible to select the coding system used when pattern
strings are output. If the code will be affected by the immediately preceding data,
the data item just before the first item of data will be calculated as 0. The
following tables show the coding systems.
H NRZ: Normal data format
Pattern Output Data
0 0
1 1
Example
Input 0 1 0 0 1 1 0 0 0 1 1 1
Output 0 1 0 0 1 1 0 0 0 1 1 1
H NRZI: The data changes when a 1 is received.
Each pattern is made up of 2 data items.
Example
Input 0 1 0 0 1 1 0 0 0 1 1 1
Output 00 01 11 11 10 01 11 11 11 10 01 10
H RZ: The data always returns to 0.
Each pattern is made up of 2 data items.
Pattern Output Data
0 00
1 10
Example
Input 0 1 0 0 1 1 0 0 0 1 1 1
Output 00 10 00 00 10 10 00 00 00 10 10 10