| ??? 09/29/03 21:10 Read: times |
#55735 - RE: What they do in aeroplanes? Responding to: ???'s previous message |
Sorry for frying up your brain .
you cannot do what is already done :-) BUT Russell Bull says connect cable shield to 0v and you say tie it to PE I will Faint .If we see the case of aeroplane you cant tie anything to PE Right . Then is all this a compromise at some point ,can you define what you would do if *PE* wasnt available to you what would you do with the shield .Leave it alone or tie it to circuit common . I say if at all possible tie it to PE. Most noise in our envronments are related to PE (I assume you mean what I call 'dirt'). In an aeroplane, most noise is related to the frame and as such where a grounded (pun intended) application connects to ground, in an aeroplane (or car for that matter) you connect to frame. Where does majority of designs tie the Shield PE or 0V? at the point with least resistance/inductance to PE or 0V Do you use the very same Resistances? Fail safe biasing resistances for 100Feet cable that you use for 4000Feet . Yes Erik |



