Article View: sci.electronics
Article #20798Re: 60 Hz hum filter
From: Jeff Winslow
Date: Fri, 17 Feb 1989 18:52
Date: Fri, 17 Feb 1989 18:52
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1036 bytes
In article <2313@rayssdb.ray.com> iws@rayssdb.ray.com (Ihor W. Slabicky) writes: >Can anyone send me a schematic or info on broadband noise filters >that will filter out 60 Hz hum on the 120VAC line? It's gonna take a hell of a filter to get rid of that 60Hz on the 120V line! :-) [description of problem deleted] OK, "60Hz hum on the 120VAC line" is all one noun. From your description, it sounds like you've got ground loops in your setup. Make sure each piece of equipment has only one path back to ground. Jeff Winslow
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!decwrl!decvax!tektronix!midas!jeffwReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!decwrl!decvax!tektronix!midas!jeffw From: jeffw@midas.STS.TEK.COM (Jeff Winslow) Newsgroups: sci.electronics,rec.audio,rec.ham-radio Subject: Re: 60 Hz hum filter Keywords: any ideas Message-ID: <4004@midas.STS.TEK.COM> Date: 17 Feb 89 18:52:25 GMT References: <2313@rayssdb.ray.com> Reply-To: jeffw@midas.STS.TEK.COM (Jeff Winslow) Organization: Tektronix, Inc., Beaverton, OR. Lines: 16