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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+\[TECH\]\s+Help\s+needed\s+on\s+toroid\s+trasf\.\s+construction\s*$/: 4 ]

Total 4 documents matching your query.

1. Re: LF: [TECH] Help needed on toroid trasf. construction (score: 1)
Author: "Hans-Joachim Brandt" <>
Date: Mon, 11 Jun 2001 15:52:08 +0200
Dear Alberto, as long as it for receive only, I think the best way will be to use a toroid with a rather high AL value. About 30 years ago I had to design an rx input balun transformer for a military
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00205.html (11,642 bytes)

2. Re: LF: [TECH] Help needed on toroid trasf. construction (score: 1)
Author: "Rik Strobbe" <>
Date: Mon, 11 Jun 2001 14:49:51
Hello Alberto, If you have access to Amidon cores I would try a ferrite toroidal core with the #72 or #77 material. For wideband applications these materials are rated for 0.5 -30 MHz. From my experi
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00206.html (12,319 bytes)

3. Re: LF: [TECH] Help needed on toroid trasf. construction (score: 1)
Author: "Brian Rogerson" <>
Date: Mon, 11 Jun 2001 12:03:31 +0000
May I add a request please, I am looking for the design of an "ultimate" 3dB splitter for 136KHz with good characteristics to well down below 72KHz. 73, Brian First the antefact : I swapped recently
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00207.html (11,690 bytes)

4. LF: [TECH] Help needed on toroid trasf. construction (score: 1)
Author: "Alberto di Bene" <>
Date: Mon, 11 Jun 2001 13:34:31 +0200
Hi all, I need some words of wisdom and a bit of help about the construction of a small toroid transformer. First the antefact : I swapped recently my TS-850 for a TS-950SDX, a very fine radio, but m
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00208.html (10,481 bytes)


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