RC Snubber Circuit Basics

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Posts: 16
Joined: Sun Feb 12, 2006 1:01 am
Location: Arvada Colorado

RC Snubber Circuit Basics

Post by NV185864 » Wed May 31, 2006 5:45 am

Does it matter which comes first? the R or the C relative to ground? I am using an RC snubber on some long serial comm lines. They are working great but I noticed I had the C on the positive side of the R to ground? I guess I assumed RC meant just that, R then C to ground.

Please help!



Posts: 108
Joined: Thu Nov 25, 2004 1:01 am
Location: Buenos Aires Argentina

Post by ecerfoglio » Wed May 31, 2006 10:21 am

No, in your application it doesn't matter if you connect the R to the data line and the C to ground or the C to the data line and the R to ground.

The order may be important in some cases with very high voltages (ie: the capacitor's case should be grounded) or in some radio frecuency circuits (where stray capacitance may be noticeable).
E. Cerfoglio
Buenos Aires

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