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RE: Huggard article on-line

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  • RE: Huggard article on-line

    To all at proton mag:


    Thank you Carl, for the article by Huggard.


    It's from another time, far away in the land


    of relays and old transistors, and (yuk) transformers even!.


    Folks trying to follow THAT tortured roadmap are sure


    to run into potholes.... cup cores? please...


    I suppose this means I have to take off a few days to actually


    build a mag, otherwise, I'm just talking thru my hat....


    In the mean time, for all out there that


    are interested in building mags with hard to find


    parts, I strongly suggest the Motorola 2N4401 (NPN)


    and 2N4403 (PNP) as general purpose devices.


    They're some of the lowest noise parts around,


    and yet they can conduct enough current for


    relay driving and so forth. I pay about 2.5


    cents each, and would be happy to send to anyone


    that has a project. You describe what you're up to,


    I'll put you through suffering my advice, and mail


    you a bunch of parts.


    As for cup cores, replace those things with active


    tuned circuits, and carefully adjust the cap across the


    mag coil for tuning.


    Damnit, this group is forcing an irresistible vacation


    upon me. The sirens of proton are calling.


    Keith


    -----Original Message-----


    From: Nick Tile/STA/Lotus [mailto:[email protected]]


    Sent: Monday, December 04, 2000 4:56 AM


    To: The Proton Mag Forum


    Subject: Re: Huggard article on-line


    The Proton Mag Forum


    Hello all


    anyone have any thoughts on sourcing the pot cores - I suspect that


    two of


    them can be done away with, but I'm not so sure about matching the


    bottles


    to the main amp and tuning them ...


    Not really an area that I know much about I'm afraid !!


    Nick


    Nick Tile


    Senior Consultant


    Lotus Professional Services


    Direct: +44 (0)1784 445621


    Mobile: +44 (0)7976 242568


    E-mail: [email protected]


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