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Total 5 documents matching your query.

1. Re: LF: Coupling a LF resonant ferrite rx antenna (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Thu, 28 Jun 2012 16:54:00 +0200; Hi Daniele. If your RX is successful enough, maybe a simple transformer works well. Apply a test signal by using a loop, say 20cm diameter, inductively coupling to the ferrite. Then use a secondary w; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00176.html (14,010 bytes)
2. Re: LF: Coupling a LF resonant ferrite rx antenna (score: 1): Author: Daniele Tincani <[email protected]>; Date: Thu, 28 Jun 2012 17:00:43 +0100 (BST); PS: For a 50 Ohm output, just 2 or 3 turns on the out-coupling winding was the best choice for my ferrite antenna. Am 28.06.2012 16:54, schrieb Stefan Schäfer: Hi Daniele. If your RX is successful e; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00422.html (16,429 bytes)
3. Re: LF: Coupling a LF resonant ferrite rx antenna (score: 1): Author: Chris Trask <[email protected]>; Date: Thu, 28 Jun 2012 07:28:47 -0700 (GMT-07:00); You may want to look at how I approached this in an active ferrite rod antenna that I designed some time ago: http://www.home.earthlink.net/~christrask/Paper006.html Chris Trask N7ZWY / WDX3HLB Seni; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00503.html (9,655 bytes)
4. Re: LF: Coupling a LF resonant ferrite rx antenna (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Thu, 28 Jun 2012 17:22:48 +0200; PS: For a 50 Ohm output, just 2 or 3 turns on the out-coupling winding was the best choice for my ferrite antenna. Am 28.06.2012 16:54, schrieb Stefan Schäfer: Hi Daniele. If your RX is successf; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00607.html (14,336 bytes)
5. LF: Coupling a LF resonant ferrite rx antenna (score: 1): Author: Daniele Tincani <[email protected]>; Date: Thu, 28 Jun 2012 15:14:33 +0100 (BST); Hello LF, it seems I managed to build a pretty good ferrite coil (abot 80 turns of Litz wire over a bundle of seven 20cmx1cm rods). Nulling and peaking seem acceptable for my purposes. With current v; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00760.html (13,243 bytes)

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