Efficient ternary transmission codes
- 2 October 1975
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 11 (20) , 482-484
- https://doi.org/10.1049/el:19750374
Abstract
To limit distortion in digital cable systems due to low-frequency cuts, it has been usual either to use quantised feedback or use a code with a finite digital-sum variation. It is shown that these restrictions are unnecessarily stringent. Systems typically use 3-level codes, and some codes requiring less bandwidih than the 4B3T type are analysed.Keywords
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