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Total 5 documents matching your query.

1. [RFI] Automatic Light Noise ..... (score: 1)
Author: WX5L <> (WX5L)
Date: Wed, 05 May 1999 17:35:10 -0500
Ken, This is not uncommon to have a light controller(photoelectric) cause RFI due to arcing. This is usually caused by inferior workmanship or componet breakdown causing a poor closure to the contact
/archives//html/RFI/1999-05/msg00002.html (9,320 bytes)

2. [RFI] 1500 Watts vs. Radio Shack Amplified Antenna (score: 1)
Author: WX5L <> (WX5L)
Date: Thu, 06 May 1999 14:13:20 -0500
Hi Bill, Truly a difficult case and my suggustion would be heavy toroid choking. Purchase 2 or 3 of the FT-240-77 Sandwich them together, ty-wrap snug all together then wrap coaxial cable through tor
/archives//html/RFI/1999-05/msg00005.html (8,151 bytes)

3. [RFI] What is Part 15 (score: 1)
Author: WX5L <> (WX5L)
Date: Thu, 06 May 1999 15:46:28 -0500
Hello, Here's my question to the group. Can someone explain to me Part 15 of the FCC Testing Procedure? My particular question deals with "unintentional radiators" such as computers, monitors, touch
/archives//html/RFI/1999-05/msg00006.html (7,970 bytes)

4. [RFI] PC keyboard RF immunity? (score: 1)
Author: WX5L <> (WX5L)
Date: Tue, 22 Dec 1998 13:13:59 -0600
Not just any ferrite will choke rf at HF frequencies. The most efficient ferrite mixture for RF choking at ham frequencies is Mixture 73 and Mixture 77 follows. It may be worth a few bucks to get the
/archives//html/RFI/1998-12/msg00001.html (7,480 bytes)

5. [RFI] Horizonal Sweep Noise (score: 1)
Author: WX5L <> (WX5L)
Date: Wed, 08 Jul 1998 05:37:40 -0500
Hello, Has anyone had success eliminating horizonal sweep noise from a screaming TV? Horizonal sweep at 15.75 khz is rich in harmonics and often couples with the A/C line or cable feed and actually b
/archives//html/RFI/1998-07/msg00003.html (7,580 bytes)

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