| Tc:SOdeg.C ' -Tc:25deg.C | |
| I -Tc:.20deg.C | |
| | | | | t |
| | | | | |
| | | | | |
| ] | | [ | ][ 1nJ | |
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Balanced cables (e.g. twisted pair) are usually better than unbalanced cables (ribbon cable, simple coax.) for noise re- duction and signal quality. Balanced cables tend to generate less EMI due to field canceling effects and also tend to pick up electromagnetic radiation a common-mode (not differen- tial mode) noise which is rejected by the receiver. For cable distances < 0.5M, most cables can be made to work eftec- tively. For distances 0.5M " d " 10M, CAT 3 (category 3) twisted pair cable works well, is readily available and rela- tively inexpensive. Fail-safe Feature:
