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- From: grier@bnr.ca (Brian Grier)
- Newsgroups: sci.electronics
- Subject: Re: How to filter out EMI/RFI from TV signal
- Keywords: TVI problems
- Message-ID: <1992Nov05.202945.26916@bnr.ca>
- Date: 5 Nov 92 20:29:45 GMT
- Sender: news@bnr.ca (News on crchh327)
- Organization: Bell Northern Research
- Lines: 17
- Nntp-Posting-Host: 131.253.206.80
-
- It depends on how the noise is getting to the TV
-
- > Several appliances seem to introduce EMI/RFI to the TV signal, namely
- > my CD players (portable and component), my PC (386DX), and the usual
- > hair dryer, maicrowave, etc. I'm interested in finding out what I can
- > do to make the TV signal more pure. Here are some observations:
-
- If the interference is being transmitted via the airways then you are
- probably in a bit of trouble. However is the noise is being transmitted
- via the power lines you may be in luck. Try wrapping the power lines
- from your CD player and TV around a toroid. Six or seven turns will
- clean up most common mode noise. The toroids are available at Radio
- Shack, and cost around $15 for a pack of four.
-
- Brian, WS1S
- Bell Northern Research
- Research Triangle Park, NC
-