In current practice most parallel SCSI buses are LVD and so require external, active termination.
2.
"The court find that efforts to relieve the pain would not be a worthwhile option and that Kadijk had no other choice but to turn to active termination of life, " the ruling said.
3.
Termination can be passive or active . "'Passive termination "'means that each signal line is terminated by two resistors, 220 ? to TERMPOWER and 330 ? to ground . "'Active termination "'means that there is a small voltage regulator which provides a + 3.3 V supply.
4.
Active termination provides a better impedance match than passive termination because most flat ribbon cables have a characteristic impedance of approximately 110 ? . "'Forced perfect termination ( FPT ) "'is similar to active termination, but with added diode clamp circuits which absorb any residual voltage overshoot or undershoot.
5.
Active termination provides a better impedance match than passive termination because most flat ribbon cables have a characteristic impedance of approximately 110 ? . "'Forced perfect termination ( FPT ) "'is similar to active termination, but with added diode clamp circuits which absorb any residual voltage overshoot or undershoot.
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