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Appendix F: Miscellaneous
AWG2021 User Manual
FĆ9
H f/2f: Each pattern is made up of 2 data items. In the table below, data in
parentheses () indicates the immediately preceding data of the data for which
coding is being attempted.
Pattern Output Data
(0)0 11
(1)0 00
(0)1 10
(1)1 01
Example
Input 0 1 0 0 1 1 0 0 0 1 1 1
Output 11 01 00 11 01 01 00 11 00 10 10 10
H 1-7 RLL (Run-length Limited Codes): 2-item patterns are made up of 3
data items, and 4-item patterns are made up of 6 data items. In the table
below, x indicates that this value will become 1 when the preceding bit is 0,
and 0 when the preceding bit is 1. Here the output data is inverted every time
when 1 appears in the codes.
Pattern
Code
Conversion
01 010
10 x00
11 x01
0001 x00000
0010 x00001
0011 010001
0000 010000
Example
Input 01 10 11 0010 10 0011 11 0001 0011 10 0000
Code
Conversion
010 100 101 000001 000 010001 001 000000 010001 000 010000
Output 011 000 110 000001 111 000001 110 000000 011110 000 011111