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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+RE\:\s+Ferrite\s+broadband\s+$LF\-MF$\s+antenna\?\s*$/: 4 ]

Total 4 documents matching your query.

1. Re: LF: RE: Ferrite broadband (LF-MF) antenna? (score: 1): Author: Daniele Tincani <[email protected]>; Date: Fri, 22 Jun 2012 15:35:57 +0100 (BST); Hello Daniele, some months ago I made a broadbanded ferriterod to cope with heavy qrm on the 80 and 160m band.The ferite comes from a submarine and is specified 10KHz to 4 MHZ with a symmetrical fee; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00043.html (16,121 bytes)
2. RE: LF: RE: Ferrite broadband (LF-MF) antenna? (score: 1): Author: <[email protected]>; Date: Fri, 22 Jun 2012 17:01:27 +0200; Hello Daniele,once I used the 12au7 as mixerstage in an old tube broadcastreceiver with very good results,much more sensitive and less IM than the usual ECH81.I never tried it but my guess it 's very; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00068.html (16,570 bytes)
3. LF: RE: Ferrite broadband (LF-MF) antenna? (score: 1): Author: <[email protected]>; Date: Fri, 22 Jun 2012 16:19:07 +0200; Hello Daniele, some months ago I made a broadbanded ferriterod to cope with heavy qrm on the 80 and 160m band.The ferite comes from a submarine and is specified 10KHz to 4 MHZ with a symmetrical feed; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00513.html (12,825 bytes)
4. Re: LF: RE: Ferrite broadband (LF-MF) antenna? (score: 1): Author: pws <[email protected]>; Date: Fri, 22 Jun 2012 18:34:36 +0200; Hi Daniele, Yes, it's the low Rbb what matters. See: http://www.janascard.cz/PDF/Design%20of%20ultra%20low%20noise%20amplifiers.pdf And for ferrite loops I would recommend the antenna section of thos; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00733.html (11,783 bytes)

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