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References: [ +from:LHill@silent-solutions.com: 3 ]

Total 3 documents matching your query.

1. Re: [RFI] RFI Digest, Vol 42, Issue 1 (score: 1)
Author: "Lee Hill" <lhill@silent-solutions.com>
Date: Fri, 2 Jun 2006 13:02:08 -0400
They are using PWM motor control to run the high speed motor. The problem is likely to be low frequency noise coming out the AC line cord. I would buy a high performance AC line filter for a few buck
/archives//html/RFI/2006-06/msg00001.html (9,249 bytes)

2. Re: [RFI] RFI Digest, Vol 42, Issue 1 (score: 1)
Author: "Lee Hill" <lhill@silent-solutions.com>
Date: Fri, 2 Jun 2006 16:53:15 -0400
The noise source is either from the PWM motor control or the microprocessor. The path is out the long AC power cable. Twisting the wires won't help the unless there was an unlikely huge design oversi
/archives//html/RFI/2006-06/msg00002.html (12,345 bytes)

3. Re: [RFI] RFI Digest, Vol 82, Issue 3 (score: 1)
Author: "Lee Hill" <LHill@silent-solutions.com>
Date: Sun, 4 Oct 2009 21:58:50 -0400
Hi Dan: Good suggestion from Bill to build yourself a sniffer loop. If you have not done EMI snooping before, I would recommend contacting a local ham club in your area (find them via the ARRL web si
/archives//html/RFI/2009-10/msg00007.html (18,265 bytes)


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