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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+Common\s+Mode\s+Noise\s+on\s+Feedline\.\.\.\s*$/: 4 ]

Total 4 documents matching your query.

1. Re: LF: Common Mode Noise on Feedline... (score: 1)
Author: "Roelof Bakker" <[email protected]>
Date: Wed, 1 Mar 2006 09:41:23 +0100
Hello Peter, I have been experimenting with an isolating transformer in the past. It was mounted in a plastic enclosure and stray capacitance was kept to a minimum. It did not work properly. An other
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-03/msg00015.html (9,854 bytes)

2. Re: LF: Common Mode Noise on Feedline... (score: 1)
Author: "Peter Martinez" <[email protected]>
Date: Wed, 01 Mar 2006 08:59:32 +0100
Mike; As Steve says, you will need a huge choke in the braid to have much effect. What you are trying to do is form a potential divider, with your choke at the top and 'the impedance-to-ground of the
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-03/msg00017.html (10,881 bytes)

3. Re: LF: Common Mode Noise on Feedline... (score: 1)
Author: "MIKE REID" <[email protected]>
Date: Tue, 28 Feb 2006 22:13:37 -0600
Thank you Steve. Yes I have many of those FT240-77 cores here. I will wind one up tonight on the feedline. Easy fix huh? Mike -- Original Message -- From: Steve Dove To: we0h Sent: Tuesday, February
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-03/msg00019.html (10,891 bytes)

4. LF: Common Mode Noise on Feedline... (score: 1)
Author: "MIKE REID" <[email protected]>
Date: Tue, 28 Feb 2006 21:16:58 -0600
Would adding ferrite beads on the feedline on a active whip antenna lessen the common mode noise issue? Where would the best place to add them if this is a good idea? I was thinking right at the poin
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-03/msg00020.html (8,783 bytes)


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